Petroleum Products

HK-3536C Automatic Cleveland Open Cup Flash Point Tester conforms to ASTM D92, ISO2592. It is suitable for petroleum products with open cup flash point higher than 79℃ except fuel oil (fuel oil is usually measured according to ASTM D92).

HK-261B Automatic Pensky-Martens Closed Cup Flash Point Tester conforms to ASTM D93 Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester.It is used to test for those liquids which have a kinematic viscosity of 5.8mm 2/s (cSt) or more at 37.8℃or 9.5mm 2/s (cSt) or more at 25℃ (77℉),or that contain suspended solids,or have a tendency to form a surface film while under test.Other classification flash points have been established by these departments for liquids using these test methods.

HK-8018A Automatic Gasoline Oxidation Stability Tester (Induction Period Method) conforms to ASTM D525 Standard Test Method for Oxidation Stability of Gasoline (Induction Period Method).It is used to test the stability of gasoline in finished form only,under accelerated oxidation conditions.(Warning This test method is not intended for determining the stability of gasoline components,particularly those with a high percentage of low boiling unsaturated compounds,as these may cause explosive conditions within the apparatus.)

HK-3535A Solidifying,pour,cloud cold filter plugging point tester is suitable to the standards of ASTM D3944,ASTM D97,ASTM D2500 ASTM D6371.It is used to test the solidifying,pour,cloud and cold filter plugging point of petroleum products.

HK-5096D Copper Strip Corrosion Tester for Petroleum Products conforms to ASTM D130 Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test and ASTM D4048 Standard Test Method for Detection of Copper Corrosion from Lubricating Grease.It can test the resistance to the copper corrosion of aviation gasoline,jet fuel,motor gasoline,natural gas and other HC of which RVP is not higher than 124KPA,megilp,diesel,kerosene,distillate fuel oil,lubricating oil and lubricating grease.It can replace the water tank in plateau areas where the atmospheric pressure is low.It was awarded the "Utility Model Patent Certificate" on November 10, 2017.

The HK-0689 Oil Total Sulfur Content Tester (Ultraviolet Fluorescence Method) complies with the requirements of the SH/T 0689 and ASTM D5453 test methods. It adopts the internationally advanced total sulfur analysis method (ultraviolet fluorescence method) and is an analytical instrument for determining sulfur content in various gaseous, liquid, and solid oil products as well as chemical products. It is suitable for sulfur content detection in various oil products (such as diesel oil, gasoline, kerosene, lubricating oil, fuel oil, paraffin oil, solvent oil, crude oil, etc.), natural gas, and liquefied gas in refineries, oil depots, import and export commodity inspection institutions, environmental protection departments, scientific research institutions, and other enterprises. It is also applicable for total sulfur content detection in chemical products of large, medium, and small chemical enterprises.

HK-6538 Automatic Cold Cranking Simulator (CCS) Viscosity Tester conforms to ASTM D5293 Standard Test Method for Apparent Viscosity of Engine Oils and Base Stocks Between –5 and –35°C Using Cold-Cranking Simulator. An electric motor drives a rotor that is closely fitted inside a stator. The sapce between the rotor and stator is filled with oil. Test temperature is measured near the stator inner wall and maintained by removing heat with a controlled process to maintain a constant stator temperature during test. The speed of therotor is calibrated as a function of viscosity. Test oil viscosity is determined from this calibration and the measured rotor speed.

HK-0193 Automatic Lubricating Oil Oxidation Stability Tester (Rotating Oxygen Bomb Method)）conforms to ASTM D2112 and ASTM D2272

HK-3498A Automatic High Temperature Dropping Point Apparatus conforms to the ASTM D2265 Standard Test Method for Dropping Point of Lubricating Grease Over Wide Temperature Range.This apparatus covers the determination of the dropping point of lubricating grease and it tests dropping points of lubricating greases at temperatures of up to 400℃.It was awarded the "Utility Model Patent Certificate" on August 31, 2016.

HK-269E AutomaticCone and Needle Penetration conforms to ASTM D5, D217, D937,D1321, D1403, D2884 andD4950, IP49,50, 179, 310, DIN51579, 51580, 51804, FTM791-311, 791-312, 791-313,AOCS Cc16-60, AACC58-14, NFT60-119, 60-123, 60-132, 66-004.

HK-3536 Manual Cleceland Open Cup Apparatus conforms to the ASTM D92 Test Standard method for Flash and Fire Points by Cleveland open Cup Tester. It uses Cleveland open-cup method to test the flash point & fire point of lubricating oil and fuscous petroleum products (excluding fuel oil and petroleum products with open flash point lower than 79°C ).

HK-3536A Semi-automatic Cleveland Open Cup Flash Point Tester is suitable to the standards of ASTM D92 Test Method for Flash and Fire Points by Cleveland Open Cup Tester.It uses Cleveland Open Cup method to test the flash point &fire point of lubricating oil and fuscous petroleum products(excluding fuel oil and petroleum products) with open flash point above 79℃

HK-3536B Automatic Cleveland Open Cup Flash Point Tester conforms to ASTM D92 Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester.HK-3536B can measure the flash point and fire point of petroleum products,it is applicable to all petroleum products with flash points above 79℃ (175℉)and below 400℃(752℉)except fuel oils.

HK-267 Open Cup Flash Fire Point Tester conforms to the GB/T 267 standard.Use crucible as sample oil holder,the apparatus used to test the flash point fire point of lubricating oil and fuscous petroleum products.

HK-261 Manual Pensky-Martens Closed-cup Flash Point Apparatus conforms to the ASTM D93 Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester. It is used to test for those liquids which have a kinematic viscosity of 5.8 mm 2/s (cSt) or more at 37.8°C or 9.5 mm 2/s (cSt) or more at 25°C (77°F), or that contain suspended solids, or have a tendency to form a surface film while under test. Other classification flash points have been established by these departments for liquids using these test methods.

HK-261C Automatic Pensky-Martens Closed Cup Flash Point Tester conforms to ASTM D93 Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester.It is used to test for those liquids which have akinematic viscosity of 5.8mm 2/s (cSt) or more at 37.8℃ or 9.5mm 2/s (cSt) or more at 25℃(77℉),or that contain suspended solids,or have a tendency to form a surface film while under test.Other classification flash points have been established by these departments for liquids using these test methods.

HK-21789 Abel Closed Cup Flash Point Tester conforms to IS013736 Petroleum Products and Other Liquids-Determination of Flash Point-Abel Closed Cup Method.It is used For flash point determinations of liquids with a viscosity of below 5.5 centistokes(cSt)at 104℉(40℃)or below 9.5cSt at 77℉(25℃),and a flash point below 200℉(93℃)except cut-back asphalts,those liquids which tend to form a surface film under test conditions and materials which contain suspended solids.We use gas supply for the apparatus,gas circuit adopts stainless steel pipe,anti-aging, constant using.The instrument is highly automated with simple operation and accurate result.The instrument is equipped with two Danfoss compressors as cooling system,test lowest flash point temperature can reach minus 50 degree.This model can be used to measure the flash point of jet fuel.

The HK-21789A Automatic Abel Closed-Cup Flash Point Tester complies with the requirements of test methods including GB/T 21789, ISO 13736, and IP 170. Its test cup, lid kit, and heating bath meet the requirements of Appendix A in the method standards. It is suitable for determining the flash point of petroleum products and other liquids with a flash point range of －30℃～70℃, and is widely used in the testing of petroleum products, alcohols, solvents, chemicals, food, etc. It is also specifically used for flash point determination of aviation (jet) fuels. The product obtained the "Utility Model Patent Certificate" on October 23, 2020.

HK-21929A Automatic Tag Closed Cup Flash Point Tester conforms to ASTM D56 Standard Test Method for Flash Point by Tag Closed Cup Tester,it is used for flash point determinations of liquids with a viscosity of below 5.5 centistokes (cSt) at 104℉(40℃) or below 9.5cSt at 77℉(25℃),and a flash point below 200℉(93℃) except cut-back asphalts,those liquids which tend to form a surface film under test conditions and materials which contain suspended solids.We use gas supply for the apparatus,gas circuit adopts stainless steel pipe,anti-aging,constant using.The instrument is highly automated with simple operation and accurate result.The instrument is equipped with two Danfoss compressors as cooling system,test lowest flash point temperature can reach minus 50 degree.

HK-0768 Flash Point Tester (Normally Closed Cup Method) meets the requirements of the experimental method of SH/T 0768-2005 "Flash Point Determination Method (Normally Closed Cup Method)", and is suitable for the determination of the flash point of fuel oil, lubricating oil, solvent oil and other liquids by normally closed cup method, and the required sample amount is 1ml.

HK-255 Distillation apparatus for petroleum products is a new designed distillation tester.It conforms to standard ASTM D86 Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure,which is suitable for light and middle distillates,automotive spark-ignition engine fuels with or without oxygenates,aviation gasoline,aviation turbine fuels,diesel fuels,biodiesel blends up to 20%,marine fuels,special petroleum spirits,naphtha,white spirits,kerosene,and Grades 1 and 2 burner fuels' distillation.

HK-6536A Distillation apparatus for petroleum products is a new designed distillation tester.It conforms to standard ASTM D86 Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure,which is suitable for light and middle distillates,automotive spark-ignition engine fuels with or without oxygenates,aviation gasolines,aviation turbine fuels,diesel fuels,biodiesel blends up to 20 % marine fuels,special petroleum spirits,naphtha,white spirits,kerosene,and Grades 1 and 2 burner fuels.

HK-6536C Distillation Apparatus for Petroleum Products is a new designed distillation tester.It conforms to standard ASTM D86 Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure,which is suitable for light and middle distillates,automotive spark ignition engine fuels with or without oxygenates,aviation gasolines,aviation turbine fuels,diesel fuels,biodiesel blends up to 20%,marine fuels,special petroleum spirits,naphtha,white spirits,kerosene,and Grades 1 and 2 burner fuels.distillation.

HK-6536D Automatic Distillation Apparatus for Petroleum Products conforms to ASTM D86 Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure, ASTM D 850 and ASTM D1078, which is suitable for testing distillation of light and middle distillates,automotive spark-ignition engine fuels with or without oxygenates,aviation gasoline,aviation turbine fuels,diesel fuels,biodiesel blends up to 20%,marine fuels,special petroleum spirits,naphtha,white spirits,kerosene and Grades 1 and 2 burner fuels.

HK-7345K Micro Distillation Apparatus conforms to ASTM D7345 Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure (Micro Distillation Method).It isapplicable to such products:light and middle distillates,automotive spark ignition engine fuels,automotive spark-ignition engine fuels containing up to 20% ethanol,aviation gasolines,aviation turbine fuels,regular andlow sulfur diesel fuels,biodiesel (B100),biodiesel blends up to 20% biodiesel,special petroleum spirits,naphtha,white spirits,kerosene,burner fuels and marine fuels.

HK-265 (265A) Kinematic Viscosity Apparatus conforms the ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity).It is used to test the of liquid petroleum products,both transparent and opaque,by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer.The dynamic viscosity,η,can be obtained by multiplying the kinematic viscosity,v,by the density,p,of the liquid.under certain constant temperature.The range of kinematic viscosities covered by this apparatus method is from 0.2 to 300 000 mm2/s at all temperatures HK-265:temperature controlling precision,+0.1℃ HK-265A:temperature controlling precision,+0.01℃

HK-265 (265A) Kinematic Viscosity Apparatus conforms the ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity).It is used to test the of liquid petroleum products,both transparent and opaque,by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer.The dynamic viscosity,η,can be obtained by multiplying the kinematic viscosity,v,by the density,p,of the liquid.under certain constant temperature.The range of kinematic viscosities covered by this apparatus method is from 0.2 to 300 000 mm2/s at all temperatures HK-265:temperature controlling precision,+0.1℃ HK-265A:temperature controlling precision,+0.01℃

HK-265B Petroleum Product Kinematic Viscosity Tester (Semi-automatic Type) conforms the ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity).It is used to test the of liquid petroleum products,both transparent and opaque,by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer.The dynamic viscosity,η,can be obtained by multiplying the kinematic viscosity,v,by the density,p,of the liquid.under certain constant temperature.The range of kinematic viscosities covered by this apparatus method is from 0.2 to 300 000 mm2/s at all temperatures

HK-265D Kinematic Viscosity Apparatus conforms to the ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity).It is used to test the of liquid petroleum products,both transparent and opaque,by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer.The dynamic viscosity,η,can be obtained by multiplying the kinematic viscosity,v,by the density,p,of the liquid.under certain constant temperature.The range of kinematic viscosities covered by this apparatus method is from 0.2 to 300 000 mm2/s at all temperatures.

HK-265E Low temperature Kinematic Viscosity Tester is suitable to the standard of ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity).It is used to test kinematic viscosity 0 ℃ and below 0 ℃ for liquid petroleum products (Newtonian liquid).

HK-265F automatic viscosity tester (with cleaning), in line with GB/T 265, ASTM D445, ASTM D446, ASTM D4603, GB/T 14190 test methods, can choose to customize the different specifications of the capillary viscometer, is suitable for the determination of the kinematic viscosity of the liquid petroleum products (refers to the Newtonian liquid).

HK-265G HK-265G High Temperature Viscosity Tester for Petroleum Products, in line with GB/T 265, ASTM D445, ASTM D446, ASTM D4603, GB/T 14190, GB/T 1841, JTG E20 test method requirements, should be based on the option with a different type of capillary viscometer, suitable for the determination of the kinematic viscosity of liquid petroleum products (refers to the Newtonian liquid). It is suitable for determining the kinematic viscosity of liquid petroleum products (referring to Newtonian liquids), and can also determine the viscosity of polyethylene, polypropylene decahydronaphthalene solution at a specified temperature, and can also determine the kinematic viscosity of asphalt specimens at a specified temperature.

HK-265Q Automatic cleanser for viscometer is used for cleaning and drying capillary viscometers, such as Ubbelohde, Cannon-Fenske Routine and etc. the experiment’s entire process is auto.

The VPC Gas Phase Coking Tester complies with the requirements of test standards including GJB 1263A Appendix D, SAE ARP5921, and the VPC Gas Phase Coking Evaluation Method. It is suitable for evaluating the coking tendency of ester-type synthetic aviation lubricating oils under the mixed state of air and oil phases, so as to simulate the condition of ventilation pipes in bearing chambers. When conducting airworthiness verification on the performance of turbine lubricating oils, it is necessary to measure the tendency of the mixture of their vapor and air to generate harmful carbon deposits on the surface of hot-end components such as engine ventilation pipes through high-temperature oxidation or thermal cracking reactions under high-temperature immersion conditions. The Civil Aviation Administration of China (CAAC) technical standard "Civil Aircraft Engine Lubricating Oils" (CTS0-2C704) clearly stipulates that turbine lubricating oils must undergo a gas phase coking test to determine the tendency of lubricating oils to form carbon deposits in the high-temperature ventilation pipe area of aviation turbine engines without oil immersion. It is required to report the deposition amount in the measuring tube, as well as the 40℃ kinematic viscosity change rate and acid value change of the lubricating oil before and after the test. Combining standard methods, foreign prototype research and standard investigation, our company has independently developed, designed and produced the VPC Gas Phase Coking Tester, which meets the method requirements of this test and is the only manufacturer of this product in China.

HK-8017 Reid Vapor Pressure Bath conforms to ASTM D323 Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method).It used for testing the vapor pressure (Because the external atmospheric pressure is counteracted by the atmospheric pressure initially present in the vapor chamber,the Reid vapor pressure is an absolute pressure at 37.8℃(100℉)in kilopascals (pounds-force per square inch).The Reid vapor pressure differs from the true vapor pressure of the sample due to some small sample vaporization and the presence of water vapor and air in the confined space) of gasoline,volatile crude oil,and other volatile petroleum products.

HK-8017A Automatic Reid Vapor Pressure Bath conforms to ASTM D323 Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method).It used for testing the vapor pressure (Because the external atmospheric pressure is counteracted by the atmospheric pressure initially present in the vapor chamber,the Reid vapor pressure is an absolute pressure at 37.8℃(100℉) in kilopascals (pounds-force per square inch).The Reid vapor pressure differs from the true vapor pressure of the sample due to some small sample vaporization and the presence of water vapor and air in the confined space) of gasoline,volatile crude oil,and other volatile petroleum products.

HK-0794 Automatic Vapor Pressure of Petroleum Products (Mini Method) conforms to ASTM D5191 Standard Test Method for Vapor Pressure of Petroleum Products (Mini Method).It covers the use of automated vapor pressure instruments to determine the total vapor pressure exerted in vacuum by air-containing,volatile,liquid petroleum products and liquid fuels,including automotive spark-ignition fuels with or without oxygenates and with ethanol blends up to 85 (volume fraction).This test method is suitable for testing samples with boiling points above 0℃ (30℉) that exert a vapor pressure between 7 kPa and 130 kPa(1.0 psi and 18.6 psi) at 37.8 ℃ (100 ℉) at a vapor-to-liquid ratio of 4:1.Measurements are made on liquid sample sizes in the range from 1 mL to 10 mL.No account is made for dissolved water in the sample.

HK-8018B Automatic Gasoline Oxidation Stability Tester (Induction Period Method) conforms to ASTM D525 Standard Test Method for Oxidation Stability of Gasoline (Induction Period Method).It is used to test the stability of gasoline in finished form only,under accelerated oxidation conditions.(Warning This test method is not intended for determining the stability of gasoline components,particularly those with a high percentage of low boiling unsaturated compounds,as these may cause explosive conditions within the apparatus.)

HK-8018D Automatic Gasoline Oxidation Stability Tester (Induction Period Method) conforms to ASTM D525 Standard Test Method for Oxidation Stability of Gasoline (Induction Period Method).It is used to test the stability of gasoline in finished form only,under accelerated oxidation conditions.

HK-509 Existent Gum Content Tester for Engine Fuel (double test stations) conforms to GB/T509 and its suitable for measuring the formation of gum during fuel evaporation under test conditions. It is suitable for gasoline,kerosene,and diesel.

HK-8019 Air Method Existent Gum Content Tester(3 holes),conforms to ASTM D381 Standard Test Method for Gum Content in Fuels by Jet Evaporation.It is used to test existent gum content of aviation fuels,and the gum content of motor gasolines or other volatile distillates in their finished form,(including those containing alcohol and other type oxygenates and deposit control additives)

HK-8019B Existent Gum Tester for Fuel (Air jet evaporation method) is suitable to the standard of ASTM D381 Standard Test Method for Gum Content in Fuels by Jet Evaporation.It is apply to test the existent gumof jet fuel,motor gasoline and other volatile distillates including the products containing alcohol,others oxygenated chemicals and sediment inhibit additives.

HK-8019E Existent Gum Tester (Air and Steam Method) (5 Holes) is suitable to the standard of ASTM D381 Standard Test Method for Gum Content in Fuels by Jet Evaporation.It is apply to test the existent gumof jet fuel,motor gasoline and other volatile distillates including the products containing alcohol,others oxygenated chemicals and sediment inhibit additives.

HK-8019Z Fuel Colloid High Temperature Steam Generator,thejet portproduces a pressure of 0.4MPa directly,solves the test error caused by some colloid measuring devices without superheater, low steam temperature or insufficient steam volume. It is an ideal steam source for fuel colloid analyzers.

HK-0175A Oxidation Stability Tester for Distillate (Acceleration Method) conforms to ASTM D2274 Standard Test Method for Oxidation Stability of Distillate Fuel Oil(Acceleration Method).This apparatus covers the measurement of the inherent stability of Middle distillate petroleum fuels under specified oxidizing conditions at 95℃

HK-510A solidifying point apparatus conforms to ASTM D3944 Standard Test Method for Solidification Point of Petroleum Wax,used for determining the solidification point of petroleum wax and also it can be used for testing dark petroleum products lubricants

The HK-510B rapid freezing point tester complies with the requirements of the GB/T 510 test method and is suitable for determining the freezing point of petroleum products. The precision of the results meets the requirements of the GB/T 510 standard.

HK-0771 Fast Pouring Point Tester is a fast and micro cryogenic tester designed and developed by our company, the product is small in size, simple to operate, one machine can be used to determine the freezing point and pour point two kinds of tests, the accuracy of the results meets the requirements of GB/T 3535 and GB/T 510 experimental methods.

HK-3535 Pour and Cloud Apparatus for petroleum products is suitable to the standards of ASTM D97 Standard Test Method for Pour Point of Petroleum Products, ASTM D2500 Standard Test Method for Cloud Point of Petroleum Products, It is used to test the pour and cloud point of petroleum products.

HK-3535B Automatic Pour Point Tester conforms to ASTM D97 Standard Test Method for Pour Point of Petroleum Products. The pour point of a petroleum specimen is an index of the lowest temperature of its utility for certain applications.

The HK-3535C Pour Point Tester complies with the requirements of the GB/T 3535 test method and is suitable for determining the pour point of petroleum products.

HK-0248A Automatic Cold Filter Plugging Point Tester conforms to ASTM D6371 Standard Test Method for Cold Filter Plugging Point of Diesel and Heating Fuels. A specimen of the sample is cooled under specified conditions and, at intervals of 1℃, is drawn into a pipet under a controlled vacuum through a standardized wire mesh filter. The procedure is repeated, as the specimen continues to cool, for each 1℃ below the first test temperature. Testing is continued until the amount of wax crystals that have separated out of solution is sufficient to stop or slow down the flow so that the time taken to fill the pipet exceeds 60s or the fuel fails to return completely to the test jar before the fuel has cooled by a further 1℃. The indicated temperature at which the last filtration was commenced is recorded as the CFPP

HK-2430 Freezing Point Tester conforms to ASTM D1177 Standard Test Method for Freezing Point of Aqueous Engine Coolants & ASTM D2386 Standard Test Method for Freezing Point of Aviation Fuels, it is suitable for the determination of the freezing point of coolants, the freezing point of jet fuels and the determination of cloud and crystallization points of light petroleum products.

HK-2430A Automatic Freezing Point Tester conforms to ASTM D2386 Standard Test Method for Freezing Point of Aviation Fuels, it is suitable for the determination of the freezing point of coolants, the freezing point of jet fuels and the determination of cloud and crystallization points of light petroleum products.

HK-11132 Fluorescent Indicator Absorption Apparatus is suitable to the ASTM D1319 Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption. It determinates hydrocarbon types over the concentration ranges from 5 to 99 volume % aromatics, 0.3 to 55 volume % olefins, and 1 to 95 volume % saturates in petroleum fractions that distill below 315°C

HK-11132A Precision Adsorption Column Cleanser is used for washing and cleaning the precision adsorption column, which is used in the test of ASTM D1319(HK-11132).the instrument conforms to online cleansing requirements of ASTM D1319 Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption and it can conduct whole cleaning and drying process without disassembly of precision adsorption column ,the instrument features the characteristics of convenience quickness and reliability. Our domestic invention HK-1017 can avoid the carelessly artificial damage of the precision adsorption column when cleaning the adsorption column manually.

HK-5096 Copper Strip Tarnish Test Apparatus conforms to the ASTM D130 standard the apparatus can determinate of the corrosiveness to copper of aviation gasoline, aviation turbine fuel, automotive gasoline, cleaners (Stoddard) solvent, kerosine, diesel fuel, distillate fuel oil, lubricating oil,and natural gasoline or other hydrocarbons having a vapor pressure no greater than 124 kPa (18 psi) at 37.8°C (930mmHg). It is a good laboratory special-purpose instrument in petroleum chemical industry, transportation, scientific research colleges and universities.

HK-5096A Copper Strip Silver Strip Corrosion Tester conforms to ASTM D130 Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test and IP227.It can test the resistance to the copper and silver corrosion of petroleum products

HK-5096F Copper Strip Corrosion Tester for Petroleum Products conforms to ASTM D130 Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test and ASTM D4048 Standard Test Method for Detection of Copper Corrosion from Lubricating Grease.It can test the resistance to the copper corrosion of aviation gasoline,jet fuel,motor gasoline,natural gas and other HC of which RVP is not higher than 124KPA,megilp,diesel, kerosene,distillate fuel oil,lubricating oil and lubricating grease.It can replace the water tank in plateau areas where the atmospheric pressure is low.

HK-5096G rapid metal bath copper strip corrosion tester, in compliance with the requirements of the NB/SH/T 6006 rapid test method for copper corrosiveness of petroleum products - one-time copper foil method It is suitable for determining the corrosion degree of copper by aviation gasoline, jet fuel, automotive gasoline, stable light hydrocarbons or other hydrocarbons with a vapor pressure not exceeding 124kPa at 37.8℃, solvent oil, kerosene, diesel, distillate fuel oil, lubricating oil and other petroleum products. In plateau areas where the atmospheric pressure is relatively low, it can replace water tanks.

HK-5096H Rapid test Metal Bath Copper and Silver strip Corrosion Tester is a metal bath corrosion tester designed and developed by our company, the product is small in size, covers a wide range of tests, and meets the requirements of GB/T 5096, GB/T 7326, NB/SH/T 6006, SH/T 0023, ASTM D130, ASTM D4048 test methods, suitable for the determination of aviation gasoline, jet fuel, vehicle gasoline, The corrosive strength of natural gasoline or other hydrocarbons, solvent oils, kerosene, diesel, distillate fuel oils, lubricating oils, greases and other petroleum products with a vapor pressure of not more than 124 kPa (930 mmHg), as well as standard silver sheet corrosion tests for aviation kerosene.It can replace the water tank in plateau areas where the atmospheric pressure is low.

HK-0023 Copper strip silver strip corrosion tester for petroleum products is suitable to the standards of ASTM D130,ASTM D7667 and IP227.It can test the resistance to the copper corrosion of aviation gasoline,jet fuel,motor gasoline,natural gas and other products RVP of which RVP is not higher than 124kPa.It can test corrosion tendency of silver component of jet fuel for aviation turbine engine fuel system.

HK-0023A Copper strip silver strip corrosion tester for petroleum products is suitable to the standards of ASTM D130,ASTM D7667 and IP227.It can test the resistance to the copper corrosion of aviation gasoline,jet fuel,motor gasoline,natural gas and other products RVP of which RVP is not higher than 124kPa.It can test corrosion tendency of silver component of jet fuel for aviation turbine engine fuel system.

HK-0023B Copper Strip Silver Strip Corrosion Tester is suitable to the standards of ASTM D130,ASTM D7667 and IP227.It can test the resistance to the copper corrosion of aviation gasoline,jet fuel,motor gasoline,natural gas and other products RVP of which RVP is not higher than 124kPa.It can test corrosion tendency of silver component of jet fuel for aviation turbine engine fuel system.It was awarded the "Utility Model Patent Certificate" on October 27, 2020.

HK-08 Jet Fuel Rapid Silver Strip Corrosion Tester conforms to SH/T 0023、YLB 08、YLB 15, it is suitable for testing the silvercorrosion tendency of jet fuels

HK-15 Rapid Metal Bath Silver Sheet Corrosion Tester conforms to the test method of YLB 15 Jet Fuel Silver Sheet Corrosion Rapid Test Method (Electrolytic Cell Method).

HK-5096-1 Copper Test Strip Polisher conforms to ASTM D130 and SH/T0023 standard,it is used for petroleum products copper strip and silver strip.It features autorotation automatically and it is equipped with cleaning device so as to make it convenient to polishing

HK-1884 Density determination apparatus for crude petroleum and liquid petroleum products (hydrometer method)conforms to ASTM D1298 Standard Test Method for Density,Relative Density,or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method,the apparatus covers the laboratory determination using a glass hydrometer in conjunction with a series of calculations,of the density,relative density,or APl gravity of crude petroleum,petroleum products,or mixtures of petroleum and nonpetroleum products normally handled as liquids,and having a Reid vapor pressure of 101.325 kPa (14.696 psi)or less.Values are determined at existing temperatures and corrected to 15℃ or 60℉ by means of a series of calculations and international standard tables.

The HK-13377 Density Tester for Crude Oil and Petroleum Products (Pycnometer Method) complies with the requirements of the GB/T 13377 test method. It is applicable in the following scenarios:

HK-260A Dean- Stark distillation tester conforms to the ASTM D95 Standard Test Method for Water in Petroleum Products and Bituminous Materials by Distillation.The apparatus is used for testing water in the range from 0 to 25 % volume in petroleum products, tars, and other bituminous materials by the distillation method.

HK-511 Mechanical impurities tester for petroleum products and additives conforms to the ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration.The apparatus covers the determination of sediment in crude oils by membrane filtration.This apparatus has been validated for crude oils with sediments up to approximately 0.15% mass

HK-511A Mechanical impurities tester for petroleum products and additives conforms to the ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration.The apparatus covers the determination of sediment in crude oils by membrane filtration.This apparatus has been validated for crude oils with sediments up to approximately 0.15% mass.It was awarded the "Utility Model Patent Certificate" on April 13, 2016.

HK-33400 Total Contamination Tester conforms to GB/T 33400 Determination of Total Contamination in Middle Distillates,Diesel Fuels and Acid Methyl Esters.It is suitable for samples with a kinematic viscosity of not more than 8mm2/s at 20℃or no more than 5mm2/s at 40℃, such as diesel and pure fatty acid methylester (BD100).This standard applies to samples with total pollutant content of 12mg/kg~30mg/kg.

HK-0093 Solid particulate pollutant tester for fuel jet conforms to the ASTM D2276 Standard Test Method for Particulate Contaminant in Aviation Fuel by Line Sampling.The apparatus provides a gravimetric measurement of the particulate matter present in a sample of aviation turbine fuel by line sampling.The objective is to minimize these contaminants to avoid filter plugging and other operational problem .It is used to test particulate contaminant in aviation turbine fuel using a field monitor.

HK-0093A Solid Particulate Pollutant Tester of Jet Fuel(Double Tubes)conforms to ASTM D2276 Standard Test Method for Particulate Contaminant in Aviation Fuel by Line Sampling.The apparatus provides a measurement of the particulate matter present in a sample of aviation turbine fuel by line sampling.The objective is to minimize these contaminants to avoid filter plugging and other operational problem.It is used to test particulate contaminant in aviation turbine fuels using a field monitor.

The HK-17040 Petroleum Product Sulfur Content Tester (X-ray Fluorescence Spectrometry) complies with the requirements of test methods including GB/T 17040, SH/T 0742, and ASTM D4294. It is suitable for: 1.Determining the total sulfur mass percentage in crude oil, petroleum, heavy oil, diesel oil, kerosene, gasoline, and naphtha; 2.Measuring total sulfur content in coal chemical products (e.g., primary benzene); 3.Determining total sulfur or sulfide content in other liquid samples; 4.Measuring total sulfur or sulfur trioxide content in fine powder samples (e.g., carbon materials like petroleum coke and modified asphalt).

The HK-0689A Sulfur and Nitrogen Analyzer complies with the requirements of test methods including SH/T 0689, ASTM D5453, SH/T 0657, ASTM D4629, and ASTM D5762. It is suitable for determining the total nitrogen and total sulfur contents in crude oil, distillate oil, liquefied petroleum gas, plastics, petrochemical products, food, and water.

The HK-0253 Microcoulometric Titrator complies with the requirements of test methods such as SH/T 0253, SH/T 0254, SH/T 0222, ASTM D3120, and ASTM D3246. It is suitable for determining the total sulfur or total chlorine content of samples in scientific research units such as petroleum, petrochemical, environmental protection, commodity inspection, and schools.

HK-264A Acid value and acidity tester for petroleum products is suitable to the standard of GB/T 264 and GB/T 258.It is used to test the acid value and acidity for petroleum products

HK-258A automatic diesel acidity tester, in line with the requirements of GB/T 258 test method, is suitable for the determination of diesel acidity using color indicator titration.

The HK-12574 Jet Fuel Total Acid Number Tester complies with the requirements of GB/T 12574 and ASTM D3242 test methods. It is suitable for determining the total acid number of jet fuels with a measurement range of 0.000–0.100 mgKOH/g.

HK-12574A Automatic Total Acid Value Titration for Jet Fuel conforms to the ASTM D3242 Standard Test Method for Acidity in Aviation Turbine.It is used to test the total acid value,measurement range is 0.000-0.100mgK0H/g.And this is our patented product,we have already assembled 800 sets of this apparatus to Chinese army since 2013,you can easily find this apparatus in every Corner of the airport in China.It was awarded the "Utility Model Patent Certificate" on January 16, 2013. This tester is designed to measure the levels of acidity that can be present in aviation turbine fuel and is not suitable for determining significant acid contamination

HK-12574B Jet Fuel Total Acid Number Tester meets the requirements of GB/T 12574-2023, ASTM D3242 and other test methods, and is suitable for jet fuel with a total acid value measurement range of 0.000~0.100mgKOH/g, mainly used to test the total acid value of jet fuel.

HK-12574-1 total acid value nitrogen gas source, in line with GB/T 12574 standard, has a small volume, light weight, high purity of gas production required for the flow rate of automatic tracking and other characteristics. The instrument is equipped with advanced automatic emptying device and anti-over-liquid device to improve the degree of automation, and low liquid level reminder device can effectively protect the electrolytic cell. It makes the operation more convenient, safer and more reliable, and eliminates the hidden danger of using nitrogen cylinders.

The HK-0687 Aviation Fuel Lubricity Tester complies with the requirements of test methods ASTM D5001-2023 and SH/T 0687. It is used to determine the wear condition of the boundary lubricity of aviation turbine fuel on the friction steel surface. The diameter of the wear scar produced on the test ball is used as a measure of the sample's lubricity. Lubricity is a common term describing the boundary lubrication properties of a sample. In the test method adopted by this product, the lubricity of the sample is tested under strictly specified and controlled conditions: a fixed ball is in contact with a rotating test ring wetted by the sample, and the lubricity is expressed by the diameter (mm) of the wear scar generated on the fixed ball.

The HK-1008 Rapid Jet Fuel Anti-icing Additive Content Tester complies with the requirements of test method GJB 1008.2. It is suitable for determining the content of diethylene glycol monomethyl ether (anti-icing additive) in jet fuel. The operating temperature range is 5℃～30℃, within which continuous temperature compensation can be achieved; the measurement range is 0.00%～0.30% (v/v).

ME5368-C conductivity meter, in line with GB/T 6539 aviation fuel and distillate fuel conductivity measurement method, suitable for measuring the conductivity of aviation fuel and distillate fuel with or without antistatic additives. ME5368-C conductivity meter is a professional instrument for accurately measuring the conductivity of petroleum products. It has been supervised by the Oil Technical Supervision Department of the General Logistics Department and has been tried out for a long time, and the effect is very good. At the same time, it also plays an important role in civil aviation and oil refining.

The HK-6539A oil conductivity meter verification and calibration device complies with the usage requirements of GJB/J 3049-97 "Verification Regulation for Light Oil Conductivity Meters", and is mainly used for the verification and calibration of conductivity meters for light petroleum products. The device mainly consists of three parts: the standard oil conductivity meter device, the dedicated constant temperature bath, and the conductivity meter

HK-6539A calibration Device for Oil Conductivity Meter (Patented), in line with the GJB/J 3049-97 "light oil conductivity meter testing and calibration procedures," the use of the requirements, mainly for light petroleum products conductivity tester testing and calibration. The device mainly consists of three parts: oil conductivity meter standard device, special thermostatic bath and conductivity meter.

The LT-208000 Petroleum Product Saybolt Chromometer complies with the requirements of test methods including GB/T 3555, ASTM D156, DIN 51411, FTM 791-101, and NFM 07-003. It is suitable for color determination of undyed petroleum products such as automotive gasoline, aviation gasoline, jet fuel, naphtha, kerosene, white oil, and petroleum wax. The measurable range of Saybolt color number is from -16 to +30.

The HK-6540A Petroleum Product Colorimeter complies with the requirements of the GB/T 6540 and ASTM D1500 test methods. It is suitable for determining the color of various petroleum products, including lubricating oils, kerosene, diesel oil, and petroleum waxes.

The HK-6540 Petroleum Product Colorimeter (Semi-Automatic) complies with the requirements of the GB/T 6540 and ASTM D1500 test methods. It is suitable for determining the color of various petroleum products, including lubricating oils, kerosene, diesel oil, and petroleum waxes.

HK-13009 Saybolt Color Tester of Petroleum Products conforms to ASDM D156 Saybolt Color Tester of Petroleum Products.This test method covers the determination of the color of refined oils such as undyed motor and aviation gasoline,jet propulsion fuels,naphthas and kerosine,and,in addition,petroleum waxes and pharmaceutical white oils .

The HK-3555K Rapid Saybolt Electronic Colorimeter complies with the requirements of the NB/SH/T 0905 test method. It is suitable for determining the color of petroleum products such as undyed jet fuel, kerosene, naphtha, paints, and solvent oils for cleaning and painting. The measurement results are converted into the corresponding color numbers specified in GB/T 3555 according to relevant calculation rules, with repeatability and reproducibility meeting the requirements of GB/T 3555.

HK-1793 Automatic water reaction tester for jet fuel conforms to ASTM D1094 Standard Test Method for Water Reaction Tester of Aviation Fuel.It is suitable for testing the presence of water-miscible components in aviation gasoline and turbine fuels,and the effect of these components on volume change and on the fuel-water interface.It was awarded the "Utility Model Patent Certificate" on December 26, 2012.

HK-0585 Automatic Aviation Fuel Oxidation Stability Tester (Potential Residue Method) conforms to SH/T 0585, ASTM D873 Automatic Aviation Fuel Oxidation Stability Tester (Potential Residue Method) test methods, and is suitable for the determination of oxidation of samples by potential residue method for piston aero-engine and aero-turbine fuels stability.

HK-384A Calorific Value Tester for Petroleum Products,conforms to standard ASTM D240 Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter,which is suitable for testing the gross calorific value and net calorific value of the petroleum products without water(gasoline,jet fuel,diesel oil and heavy oil)

HK-0616A Water Separation Characteristic Tester conforms to ASTM D3948 Standard Test Method for Determining Water Separation Characteristics of Aviation Turbine Fuels by Portable Separometer. A water/fuel sample emulsion is created in a syringe using a high-speed mixer. The emulsion is then expelled from the syringe at a programmed rate through a standard fiber-glass coalescer and the effluent is analyzed for uncoalesced water by a light transmission measurement. The results are reported on a 0 to 100 scale to the nearest whole number. High ratings indicate the water is easily coalesced， implying that the fuel is relatively free of surfactant materials. A test can be performed in 5 to 10min

The HK-6053 Fuel Oil Microbial Detector complies with the requirements of test methods such as NB/SH/T 6053 and GJB 10680. It is suitable for determining the adenosine triphosphate (ATP) content of microorganisms in fuel, fuel/water mixtures, and fuel tank bottom water. ATP content is particularly important in fuel testing. The instrument uses a high-sensitivity photomultiplier tube to detect the bioluminescence generated by the test reagent, and calculates and analyzes the test results based on the intensity of the bioluminescence signal, enabling quick and easy acquisition of detection results.

HK-17144 Micro Carbon Residue Apparatus conforms to theASTM D4530 Standard Test Method for Determination of Carbon Residue (Micro Method). This tester covers the determination of the amount of carbon residue formed after evaporation and pyrolysis of petroleum materials under certain conditions and is intended to provide some indication of the relative coke forming tendency of such materials.

The HK-508 Petroleum Product Ash Tester complies with the requirements of the GB/T 508, ISO 6245, and ASTM D482 test methods. It is suitable for determining the ash content of petroleum products.

HK - 21121 - a automatic oil oxidation stability tester overview of HK - 21121 - a automatic oil oxidation stability tester, It complies with the requirements of the test methods in GB/T 21121, NB/SH/T 0825, EN 14112, EN 15751, EN 16568 and ISO 6886, and is suitable for determining the oxidation stability of animal and vegetable oils and fats.

The HK-7545 Middle Distillate Fuel Oxidation Stability Tester, a fast and compact oxidation tester, meets the requirements of ASTM D7525, ASTM D7545 and EN 16091, IP 595 test methods. It can be used as an indicator of the oxidation and storage stability of middle-distillate fuels for the induction period under specified conditions, can study fuel oxidation, and can be used to test the oxidization of spark ignition fuels, diesel fuels ranging from pure diesel fuel (B0) and diesel/FAME (fatty acid methyl ester) blends (B-B99) to pure biodiesel (B100), as well as performing stability tests on fuel oils. Only 5mL of sample is required, making it ideal for testing expensive antioxidants. Highly accurate results can be obtained in a fraction of the time compared to other oxidative stability test methods, ensuring the highest level of user safety regardless of sample type.

The HK-382 Kerosene Smoke Point Tester complies with the requirements of the GB/T 382 and ASTM D1322 test methods. It is suitable for determining the smoke point of kerosene and jet fuel.

HK-0701 Apparatus for Total Sediment in Residual Fuels conforms to ASTM D4870 Standard Test Method for Determination of Total Sediment in Residual Fuels.This apparatus is used to test the total sediment up to 0.40%m/m for distillate fuel oils containing residual components and to 0.50% m/m in residual fuel oils having a maximum viscosity of 55 cSt (mm2/s) at 100℃.

HK-6531 Sediment extraction in Crude Oils and Fuel Oil conforms to ASTM D473 Standard Test Method for Sediment in Crude Oils and Fuel Oils by the Extraction Method, it is used for testing sediment in crude oils and fuel oils by extraction with toluene.The precisionapplies to a range of sediment levels from 0.01 to 0.40 mass,although higher levels may bedetermined.

HK-0165 Vacuum Distillation Apparatus conforms to the SH/T 0165 Standard Test Method for Distillation of Petroleum Products at Reduced Pressure.It is used for measuring at reduced pressures,of the range of boiling points for petroleum products and biodiesel that can be partially or completely vaporized at a maximum liquid temperature of 400℃.

HK-0165A Automatic Vacuum Distillation Apparatus conforms to the SH/T 0165 Standard Test Method for Distillation of Petroleum Products at Reduced Pressure.It is used for measuring at reduced pressures,of the range of boiling points for petroleum products and biodiesel that can be partially or completely vaporized at a maximum liquid temperature of 400℃.

HK-9168 Vacuum Distillation Tester conforms to ASTM D1160 Standard Test Method for Distillationof Petroleum Products at Reduced Pressure. The sample is distilled at an accurately controlled pressure between 0.13kPa and 6.7kPa (1mm and 50mmHg) under conditions that are designed to provide approximately one theoretical plate fractionation. Data are obtained from which the initial boiling point, the final boiling point, and a distillation curve relating volume percent distilled and atmospheric equivalent boiling point temperature can be prepared.

HK - 26984 crude distillation apparatus, conforms to the requirements of GB/T 26984 test method, suitable for the crude oil distillation to determine crude oil distillation range.

HK-8929A Acknowledgeof the water content of crude oil is important in the refining, purchase, sale,or transfer of crude oils. It conforms to the ASTM D4006 Standard Test Methodfor Water in Crude Oil by Distillation. It is used to test water in crude oilby distillation.

The HK-0536 Salt Content Tester complies with the requirements of test methods such as SY/T 0536 and ZBE21001. It uses computer control to determine salt content and is suitable for measuring the salt content in crude oil, residual oil, petroleum products (gasoline, kerosene, diesel oil, lubricating oil), seawater, various industrial water, and discharged water. It is also applicable for the determination of inorganic chloride ions in the above-mentioned samples.

HK-0537 Crude Oil Wax Content Tester, in line with the requirements of SY/T 0537 test method, suitable for the determination of wax content in crude oil with water content not greater than 0.5% (mass fraction).

HK-6533 crude oil moisture determination centrifuge, in line with the requirements of GB/T 6533, GB/T 8926 test methods, centrifugal separation method to determine the water and sediment in the crude oil and lubricating oil insoluble detection, is the petroleum extraction industry and lubricating oil industry, the ideal separation equipment.

HK-5336 Practices for Core Analysis Tester conforms to SY/T5356 Practices for Core Analysis Method, it is suitable for measuring the fluid saturation of the core

HK-0170 Petroleum Products Residual Carbon Tester (Electric Furnace Method), in accordance with the requirements of SH/T 0170 and ASTM D524 test methods, is suitable for the determination of lubricating oil, heavy liquid fuel or other petroleum products.

HK-0059 Manual Lubricating Oil Evaporation Loss Tester (NOACK Volatility Test) conforms to ASTM D5800 Standard Test Method for Evaporation Loss of Lubricating Oils by the Noack Method. A measured quantity of sample is placed in an evaporation crucible or reaction flask that is then heated to 250℃ with a constant flow of air drawn through it for 60min. The loss in mass of the oil is determined

HK-0059A Semi Automatic Lubricating Oil Evaporation Loss Tester (NOACK Volatility Test) conforms to ASTM D5800 Standard Test Method for Evaporation Loss of Lubricating Oils by the Noack Method. A measured quantity of sample is placed in an evaporation crucible or reaction flask that is then heated to 250℃ with a constant flow of air drawn through it for 60min. The loss in mass of the oil is determined

HK-0059B Automatic Lubricating Oil Evaporation Loss Tester (NOACK Volatility Test) conforms to ASTM D5800 Standard Test Method for Evaporation Loss of Lubricating Oils by the Noack Method,Procedure B. It adopts the automated non-Woods metal Noack evaporative apparatus.The evaporation loss is of particular importance in engine lubrication.Where high temperatures occur,portions of an oil can evaporate.

HK-0732 Automatic Gel Index Tester, in line with SH/T 0732-2004 "Determination of viscosity and temperature relationship between lubricating oil at low temperature and low shear rate (temperature scanning method)", GB/T 11145 "Determination of low temperature viscosity of lubricants - Brockfeldt viscometer method", ASTM D5133, ASTM D2983, suitable for the determination of engine oil Brinell viscosity, apparent viscosity, gel index, gel index temperature at low temperature, one instrument for multiple tests.

HK-0562 Yield Stress and Apparent Viscosity Tester conforms to ASTM D4684 Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Engine Oils at Low Temperature. An engine oil sample is held at 80℃ and then cooled at a programmed cooling rate to a final test temperature and held for a specified time period. At the end of this period, a series of increasing low torques are applied to the rotor shaft until rotation occurs to determine the yield stress, if any is exhibited. A higher torque is then applied to determine the apparent viscosity of the sample.

HK-0562A Yield Stress and Apparent Viscosity Tester conforms to ASTM D4684 Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Engine Oils at Low Temperature. An engine oil sample is held at 80℃ and then cooled at a programmed cooling rate to a final test temperature and held for a specified time period. At the end of this period, a series of increasing low torques are applied to the rotor shaft until rotation occurs to determine the yield stress, if any is exhibited. A higher torque is then applied to determine the apparent viscosity of the sample.

HK-0703 High Temperature and High Sear Rate Viscosity Tester conforms to ASTM D5481 Standard Test Method for Measuring Apparent Viscosity at High-Temperature and High-Shear Rate by Multicell Capillary Viscometer. The viscosity of the test oil in any of the viscometric cells is obtained by determining the pressure required to achieve a flow rate corresponding to an apparent shear rate at the wall of 1.4*106s-1. The calibration of each cell is used to determine the viscosity corresponding to the measured pressure. 　　Each viscometric cell is calibrated by establishing the relationship between pressure and flow rate for a series of Newtonian oils of known viscosity.

HK-11145 Brookfield Viscometer for Low Temperature Viscosity conforms to ASTM D2983 Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer. The low-temperature, low-shear-rate viscosity of automatic transmission fluids, gear oils, torque and tractor fluids, and industrial and automotive hydraulic oils are of considerable importance to the proper operation of many mechanical devices. Measurement of the viscometric properties of these oils and fluids at low temperatures is often used to specify their acceptance for service. This test method is used in a number of specifications. 　　This test method describes how to measure apparent viscosity directly without the errors associated with earlier techniques using extrapolation of experimental viscometric data obtained at higher temperatures.

HK-7305 Water Separability Tester conforms to ASTM D1401 Standard Test Method for Water Separability of Petroleum Oils and Synthetic Fluids. This test method provides a guide for determining the water separation characteristics of oils subject to water contamination and turbulence. It is used for specification of new oils and monitoring of in-service oils.

HK-7305A Automatic Water Separability Tester conforms to ASTM D1401 Standard Test Method for Water Separability of Petroleum Oils and Synthetic Fluids. This test method provides a guide for determining the water separation characteristics of oils subject to water contamination and turbulence. It is used for specification of new oils and monitoring of in-service oils.

HK-8022 Demulsibility Characteristics Tester conforms to ASTM D2711 Standard Test Method for Demulsibility Characteristics of Lubricating Oils. This test provides a guide for determining the demulsibility characteristics of lubricating oils that are prone to water contamination and may encounter the turbulence of pumpling and circulation capable of producing water-in-oil emulsions.

HK-0191 Lubricating oil demulsification value tester, in line with the requirements of SH/T 0191 test method, suitable for the determination of demulsification value in steam turbine oil and other lubricating oils.

The HK-7600 In-Service Transformer Oil Moisture Content Tester (Coulometric Method) complies with the requirements of the GB/T 7600, ASTM D4377, and ASTM D4928 test methods. It adopts the Karl Fischer coulometric titration principle and is widely used in petroleum, chemical industry, pharmaceuticals, electric power, scientific research, education, and other sectors. It can be used to accurately measure trace moisture in various liquids, solids, and gases.

HK-0308 Air Release Value Tester conforms to ASTM D3427 Standard Test Method for Air Release Properties of Petroleum Oils. Compressed air is blown through the test oil, which has been heated to a temperature of 25, 50, or 75℃. After the air flow is stopped, the time required for the air entrained in the oil to reduce in volume to 0.2% is recorded as the aire release time.

HK-0308A Automatic Air Release Value Tester conforms to ASTM D3427 Standard Test Method for Air Release Properties of Petroleum Oils. Agitation of Lubricating oil with air in equipment，such as bearings, couplings, gears， pumps, and oil reture lines， may produce a dispersion of finely divide air bubbles in the oil. If the residence time in the reservoir is too short to allow the aire bubbles to rise to the oil surface, a mixture of air and oil will circulate through the lubricating oil system. This may result in an inability to maintain oil pressure (particularly with centrifugal pumps), imcomplete oil films in bearings and gears, and poor hydraulic system performance or failure. This test method measures the time of the entrained air content to fall to the relatively low value of 0.2% volume under a standardized set of test conditions and hence permits the comparison of the ability of oils to separate entrained air under conditions where a separation time is available. The significance of this test method has not been fully established. However, entrained air can cause sponginess and lack of sensitivity of the control of turbin and hydraulic systems. This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high.

The HK-1264A automatic aviation lubricating oil thermal stability and corrosiveness tester complies with the requirements of the standard "GJB 12641-91 Aviation Turbine Engine Lubricating Oil Test Methods - Thermal Stability and Corrosiveness Determination Method", and is used to measure the thermal stability and corrosiveness of aviation turbine engine lubricating oil.

The HK-51589 lubricating oil vapor emulsification tester is suitable for determining the ability of lubricating oil or flame-retardant liquids to re-separate from the condensate formed after vapor treatment.

The HK-6299 gas turbine engine lubricating oil thermal aging tester complies with the requirements of the ARP 6299 test method and is suitable for evaluating the thermal stability and oxidation stability of aviation lubricating oil at specified time and temperature

HK-12579 Foaming characteristic apparatus for lubricating oil conforms to ASTM D892 Standard Test Method for Foaming Characteristics of Lubricating Oils, the apparatus is used for testing the foaming characteristics of lubricating oils at 24°C and 93.5°C. Means of empirically rating the foaming tendency and the stability of the foam are described.

The HK-12579-1AB gas diffusion head flow and pore size verification device complies with the requirements of Appendix A in the GB/T 12579 test method and is suitable for the determination of the maximum pore size and permeability of lubricating oil foam heads (gas diffusion heads). Functional features

HK-0722 High Temperature Foaming Characteristic Apparatus conforms to ASTM D6082 Standard Test Method for High Temperature Foaming Characteristics of Lubricating Oils. A measured quantity of sample is heated to 49℃ for 30min and allowed to cool to room temperature. The sample is transferred to a 1000ml graduated cylinder, heated to 150℃, and aerated at 200ml/min with dry air for 5min with a metal diffuser. The amount of foam generated before disconnecting the air, the amount of static foam at optional times after disconnecting the aire, and the time for the foam to collapse are measured and the percent increase in total volume calculated.

HK-11143 Apparatus for Rusting Characteristics of Oils conforms to the ASTM D665 Standard Test Method for Rust-Preventing Characteristics of Inhibited Mineral Oil in the Presence of Water. This apparatus covers the evaluation of the ability of inhibited mineral oils, particularly steam-turbine oils, to aid in preventing the rusting of ferrous parts should water become mixed with the oil. This test methodis also used for testing other oils, such as hydraulic oils and circulating oils. Provision is made in the procedure fortesting heavier-than-water fluids.

HK-12581 Oxidation Stability of Inhibited Mineral Insulating Oil by Pressure Vessel conforms to the ASTM 943 Standard Test Method for Oxidation Characteristics of Inhibited Mineral Oils. The oil sample is contacted with oxygen in the presence of water and an iron-copper catalyst at 95℃. The test continues until the measured acid number of the oil is 2.0mg KOH/g or above. The number of test hours required for the oil to reach 2.0mg KOH/g is the “oxidation lifetime”

HK-0193B HK-0193B Automatic Lubricating Oil Oxidation Stability Tester (Rotating Oxygen Bomb Method) conforms to ASTM D2272-2009 Standard Test Method for Oxidation Stability of SteamTurbine Oils by Rotating Pressure Vessel.

The HK-0196 lubricating oil Oxidation stability tester conforms to the SH/T 0196 Determination of oxidation stability of lubricating oil ,and is suitable for determining the oxidation stability of lubricating oil.

HK-0123 Apparatus for Oxidation Characteristics of Extreme Pressure Lubrication Oils conforms to ASTM D2893 Standard Test Method for Oxidation Characteristics of Extreme-Pressure Lubrication Oils.

HK-499 Aero Turbine Engine Lubricant Corrosion and Oxidation Stability Tester is suitable the determination of oxidation and corrosion of aircraft turbine engine lubricants. Mineral or synthetic oils can be rated with or without the desired sheet metal. The specific test conditions are determined according to the specifications of the sample.

HK-5921A vapor phase coking tester conforms to the test standard method of SAE ARP5921-2014 "Evaluation of Coking Tendency of Aviation Lubricating Oil in Air Oil Mist Environment Using Gas Phase Coke", and is suitable for evaluating the coking tendency of ester synthetic aviation lubricant in the state of air-oil two-phase mixture, so as to simulate the state of the ventilation pipe of the bearing chamber.

HK-563 Corrosion and Oxidation Stability Tester for Light Aviation Lubricants is suitable for determining the oxidation resistance of light lubricants and the corrosion tendency to various metal sheets.

HK-7098 Thin-layer oxygen absorption catalyst Oxidation stability tester, in compliance with the requirements of SH/T 0074 and ASTM D7098 test methods, is suitable for determining the oxidation stability of gasoline engine oil by the high-temperature thin-layer oxygen absorption simulation evaluation method

The HK-0904 automatic transmission fluid oxidation stability tester complies with the requirements of the NB/SH/T 0904 test method and is suitable for the determination of oxidation stability of automatic transmission fluid and related lubricating oil products.

HK-0300 Crankcase Simulation Tester (QZX method) conforms to SH/T 0300 test method and is suitable for evaluating the thermal oxidation stability of additives and additives containing internal combstion engines.

The HK-507A Insulating Oil Breakdown Voltage Tester complies with the requirements of the GB/T 507, DL 429.9, and DL/T 846.7 test methods. It is suitable for determining the dielectric strength of insulating oil filled in electrical equipment in power systems, railway systems, and large-scale petrochemical plants and mines.

The HK-262A automatic aniline point tester for petroleum products and hydrocarbon solvents conforms to ASTM D611 Standard Test Methods for Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents and is suitable for determining the aniline point and mixed aniline point of petroleum products and hydrocarbon solvents

The HK-0811 Unused Hydrocarbon Insulating Oil Oxidation Stability Tester complies with the requirements of the NB/SH/T 0811 test method. It is suitable for determining the oxidation stability of unused hydrocarbon insulating oils under accelerated oxidation conditions. This standard applies to unused mineral insulating oils, both uninhibited and inhibited (with added inhibitors).

The HK-0811A sintered glass filter maximum void diameter tester complies with the requirements of Appendix A in the SH/T 0811 test method. It measures the maximum diameter of the sintered glass filter required for the test by determining the pressure needed for the first bubble to pass through the filter. It can also be used to measure the sintered glass filter of products with mechanical impurities, etc.

HK-706 Fire-resistant Oil Self-ignition Point Tester issuitable for measuring the self-ignition temperature of fire-resistant oil in the speed control system of generator sets above 30MW.

HK-0030 Apparatus for Channel Point of Automotive Gear Lubricant conforms to SH/T 0030，it is suitable for test the low temperature fluidity of gear oil

HK-0301 Hydrolytic Stability Tester for Hydraulic Fluids (Beverage Bottle Method) conforms to ASTM D2619 Standard Test Method for Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle Method) and is suitable for the determination of hydrolytic stability of mineral oil-type and synthetic hydraulic fluids.

The HK-336 Naval Vessel Hydraulic Fluid Steel Sheet Corrosion Tester meets the requirements of GJB 5336A test method, and is suitable for testing the corrosion of steel sheets in naval water-based flame retardant hydraulic fluid.

The HK-12583 Lever-Type Four-Ball Friction and Wear Tester complies with the requirements of test methods such as GB/T 3142, GB/T 12583, SH/T 0845, SH/T 0202, SH/T 0189, SH/T 0204, and SH/T 0762. It adopts the form of sliding friction and is mainly used to evaluate the load-carrying capacity of lubricants under extremely high point contact pressure conditions. It includes three indicators: the maximum non-seizure load (PB), sintering load (PD), and comprehensive wear value (ZMZ). In practical applications, different evaluation indicators can be selected according to the various uses of lubricants. The maximum ambient temperature of the tester's oil cup can reach 250℃, and it supports preset settings such as time, friction force, and temperature. It can also measure the friction coefficient of friction pairs. This tester is mainly suitable for lubricating oil evaluation and has broad application prospects in various tribology fields, industries such as petroleum, chemical engineering, and energy, as well as in colleges and universities, research institutes, and other institutions.

It conforms to ASTM D972 Standard Test Method for Evaporation Loss of Lubricating Greases and Oils. It is suitable to test the evaporation loss of the lubricating oil and lubricating grease. The evaporation loss is an important factor whenusing these lubricants, the evaporation loss can be tested at any agreed upon temperature between 100 and150°C (210 to 300°F).

HK-0661 Automatic Grease Evaporation Loss Tester with Wide Temperature Range meets the requirements of SH/T 0661, ASTM D2595 and GB/T7325 test methods, and is suitable for measuring the evaporation loss of grease, lubricating oil and perfluoropolyether oil in the temperature range of 93°C~350°C.

HK-392 Grease Separation Apparatus conforms to the GB/T392,the apparatus covers the determination of the tendency of a lubricating grease to separate oil during storage in both normally filled and partially filled containers

The HK-392A automatic grease pressure oil separation tester complies with the requirements of the GB/T 392 test method and is suitable for determining the oil separation amount of grease. This product can minimize manual operation steps and errors on the basis of conforming to the standard method.

HK-0324 Oil Separation Apparatus for grease conforms to the ASTM D6184 standard Test Method for Oil Separation from Lubricating Grease (Conical Sieve Method). The apparatus covers the determination of the tendency of lubricating grease to separate oil at an elevated temperature. This test method shall be conducted at 100°C for 30 h unless other conditions are required by the grease specification.

HK-4929 Lubricating grease dropping point tester conforms to the ASTM D566 Standard Test Method for Dropping Point of Lubricating Grease, the apparatus determinates the dropping point of lubricating grease, which is not recommended for use at bath temperatures above 288°C. For higher temperature’s test . our HK-2019 (ASTM D 2265) should be used.

HK-4929A Automatic Lubricating Grease Dropping Point Tester conforms to the ASTM D566 Standard Test Method for Dropping Point of Lubricating Grease,the apparatus determinates the dropping point of lubricating grease and IP132.It is used to test the dropping point of lubricating grease.The instrument combines the electronic bath program temperature control,photoelectric scanning and other advanced technology design and development of automatic instruments,avoiding the traditional instrument to add oil,uneven temperature field,difficult temperature control,inconvenient observation and other issues,the experimental process is simple and convenient,the experimental results are consistent Manual instrument experiment results

HK-3498 High Temperature Dropping Point Apparatus conforms to the ASTM D2265 Standard Test Method for Dropping Point of Lubricating Grease Over Wide Temperature Range. This apparatus covers the determination of the dropping point of lubricating grease and it test dropping points of lubricating greases at temperatures of up to 400°C

HK-269A Cone Penetration and needle penetrator for Petroleum Products conforms to ASTM D217 Standard Test Methods for Cone Penetration of Lubricating Grease.The apparatus is used for not only evaluating the consistency of lubricating greases over the full range of NLGI numbers from 000 to 6,but also evaluate the consistency of stiff greases having penetration numbers less than 85 and also testing waxes having a penetration of not greater than 250 unit (unit is 10-1mm)

HK-269B Automatic Cone and Needle Penetration conforms to ASTM D5,D217,D937,D1321,D1403,D2884 and D4950,IP49,50,179,310,DIN51579,51580,51804,FTM791-311,791-312,791-313,AOCS Cc16-60,AACC58-14,NFT60-119,60-123,60-132,66-004.This penetrometer is designed for ASTM penetration tests on petroleum products and for consistency tests on a wide range of food products,cosmetics,pastes and other solid to semi-solid products.Precision machined and assembled to exacting specifications,and ruggedly constructed to insure long service life in both laboratory and field applications.Features a full penetration range of 0-62.0mm with 1/10mm subdivisions (0-620 penetration scale).Accommodates cones and needles to perform all of the ASTM tests on lubricating greases,asphalts,petroleum waxes and petrolatum.

The HK-269C constant temperature bath for penetration test adopts semiconductor refrigeration and a micro-bath water heating design, achieving independent and simultaneous control of heating, cooling and constant temperature of the constant temperature bath. It is suitable for constant temperature preheating before tests such as penetration. On June 3, 2022, this product was awarded the "Utility Model Patent Certificate"

The HK-269G Grease Shear Testing Machine meets the requirements of test methods such as GB/T 269, ASTM D217, and ISO 2137. It is suitable for automatically shearing samples when determining the working cone penetration or extended working cone penetration of greases and petroleum greases.

HK-0109 Apparatus for Water Washout Characteristics of Lubricating Greases conforms to the ASTM D1264 Standard Test Method for Determining the Water Washout Characteristics of Lubricating Greases.This apparatus covers the evaluation of the resistance of a lubricating grease to wash out by water from a bearing,when tested at 38 and 79℃ (100 and 175℉) under the prescribed laboratory conditions.It is not to be considered the equivalent of service evaluation tests.Precision and bias was determined using grease ranging from NLGI 3 to 0 grades in the research report

HK-7326 Apparatus for Detection of Copper Corrosion from Lubricating Grease conforms to ASTM D4048 Standard Test Method for Detection of Copper Corrosion from Lubricating Grease. A prepared copper strip is totally immersed in a sample of grease and heated in an oven or liquid bath at a specified temperature for a definite period of time. Commonly used conditions are 100±1℃ (212±2℉) for 24h±5min. At the end of this heating period, the strip is removed，washed， and compared with the copper strip corrosion standard.

HK-0700 Grease rust prevention tester, in compliance with the requirements of SH/T 0700, ASTM D6138 and ISO 11007 test methods, is suitable for rust prevention tests of grease or some lubricating oils in the presence of water-based test solutions.

HK-0122 Roll Stability Apparatus for Lubricating Grease conforms to ASTM D1831 Standard Test Method for Roll Stability of Lubricating Grease.The roll stability test is widely used in specifications.Test results are significant in so far as they can show a directional change in consistency that could occur in service.No accurate correlation is established between the test results and shear stability in actual service.

HK-0325 Greases Oxidation Stability Tester conforms to the ASTM D942 Standard Test Method for Oxidation Stability of Lubricating Greases by the Oxygen Pressure Vessel Method,This apparatus determines resistance of lubricating greases to oxidation when stored statically in an oxygen atmosphere in a sealed system at an elevated temperature under conditions of test.

HK-1742 Apparatus for Oil Separation from Lubricating Grease conforms to ASTM D1742 Standard Test Method for Oil Separation from Lubricating Grease During Storage. This apparatus covers the determination of the tendency of a lubricating grease to separate oil during sotrage in both normally filled and partially filled containers, but it is not suitable for greases softer than NLG1 No. 1 grade. The smaple of grease, supported on a 76μm (No.200) sieve, is subjected to 1.72kPa (0.25psi) aire pressure for 24h at 25℃(77℉). Any oil seepage that occurs drains into a beaker and is weighed.

HK-7509 Volatility and Residues in Liquefied Petroleum (LP)Gases apparatus conforms to the ASTM D2158 Standard Test Method for Residues in Liquefied Petroleum (LP)Gases and ASTM D1837 Standard Test Method for Volatility of Liquefied Petroleum (LP)Gases.This apparatus covers the determination of extraneous materials weathering above 38℃ that are present in liquefied petroleum gases.The extraneous materials will generally be dissolved in the LPG,but may have phase-separated in some instances.

HK-6602 apparatus for determination of vapor pressure for liquefied petroleum gases conforms to ASTM D1267 Standard Test Method for Gage Vapor Pressure of Liquefied Petroleum (LP) Gases (LP-Gas Method). The apparatus is used for testing the gage vapor pressures of liquefied petroleum gas products (Warning—Flammable gas. Harmful when inhaled.) at temperatures of 37.8°C (100°F) up to and including a test temperature of 70°C (158°F).

HK-0232 LPG Copper Strip Corrosion Test Water Bath conforms to the ASTM D1838 Standard Test Method for Copper Strip Corrosion by Liquefied Petroleum (LP) Gases. Copper corrosion limits provide assurance that difficulties will not be experienced in deterioration of the copper and copper-alloy fittings and connections that are commonly used in many types of utilization, storage, and transportation equipment. This apparatus covers the detection of the presence of components in liquefied petroleum gases which can be corrosiveto copper.

HK-0221 Pressure Hydrometer Apparatus conforms to the ASTM D1657 Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer, is used for testing the density or relative density of light hydrocarbons including liquefied petroleum gases (LPG) having Reid vapor pressures exceeding 101.325 kPa (14.696 psi).

HK-0221A Pressure Hydrometer Apparatus bath conforms to the ASTM D1657 Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer,is used for testing the density or relative density of light hydrocarbons including liquefied petroleum gases (LPG) having Reid vapor pressures exceeding 101.325 kPa (14.696 psi).

HK-0125 LPG Hydrogen Sulfide Analyzer (Lead Acetate Method)conforms to ASTM D2420 Standard Test Method for Hydrogen Sulfide in Liquefied Petroleum (LP)Gases (Lead Acetate Method),it measures absolute viscosity of viscosity graded paving bitumen (IS:73:2006) at 60 ℃ in accordance with IS:1206 (Part Il）(similar to ASTM D2171),which uses a vacuum capillary viscometer.It should be noted that any other viscometer such asrotational viscometer Cannot be used to measure the absolute viscosity at 60 ℃ since the bitumen in no Newtonian in nature at this temperature.While obtaining quotations specify the following requirements.Although Asphalt Institute vacuum viscometer and Modified Koppers vacuum viscometer can also be used,the following refers to Cannon-Manning vacuum viscometer only.

The HK-446A automatic paraffin stability tester complies with the requirements of GB/T 446-2023 "Fully Refined Paraffin - Appendix A Test Method for Paraffin Stability". The molten paraffin sample is loaded into the quartz sample dish, and the surface of the sample is blown by circulating air. Under certain temperature conditions, it is irradiated with ultraviolet light for a certain period of time. The Saybolt color of the sample is determined to characterize the stability of the sample.

HK-4985A automatic petroleum wax penetration tester, in line with the requirements of GB/T 4985 test method, is used to measure the penetration of petroleum wax and evaluate the hardness of petroleum wax.

HK-3554 Petroleum wax Oil Content tester, in compliance with the requirements of GB/T 3554 and ASTM D721 test methods, is suitable for the determination of oil content in petroleum wax with a freezing point above 30℃ and an oil content of less than 15%.

The HK-127 drop melting point apparatus petroleum wax and Petrolatum, conforms to ASTM D127 Standard Test Method for Drop Melting Point of Petroleum Wax, is suitable for the determination of the drop melting point of petroleum wax and Petrolatum.

The HK-8026A automatic petroleum wax drop melting point tester complies with the requirements of Method B in the GB/T 8026 experimental method. It is suitable for the determination of drop melting points in the production process of petroleum wax and petroleum grease, but not for the determination of drop melting points of synthetic wax, animal wax, and blended wax of plant wax and petroleum wax.

The HK-2539 automatic petroleum wax melting point tester (cooling curve method) complies with the requirements of the GB/T 2539 test method and is suitable for the determination of the melting point of solid petroleum wax at room temperature. It is not suitable for the determination of the melting point of petroleum grease, microcrystalline wax, or mixtures of petroleum grease, microcrystalline wax and paraffin or crude paraffin.

The HK-0404 automatic paraffin light stability tester complies with the requirements of the SH/T 0404 test method and is suitable for the determination of the light stability of food-grade paraffin, fully refined paraffin and semi-refined paraffin.

The HK-4509A automatic asphalt penetration tester complies with the requirements of test method T0604-2011 in GB/T 4509 and JTG E20-2011 "Test Procedures for Asphalt and Asphalt Mixture in Highway Engineering", and is used to determine the penetration of solid and semi-solid asphalt materials.

HK-0618 Asphalt Four-component Analyzer conforms to NB/SH/T 0509, it is suitable for petroleum asphalt four-component (saturated, aromatic, gum, asphaltenes ) measurement

HK-4507 Softening Point of Asphalt (Ring-and Ball test apparatus) conforms to the ASTM D36 Standard Test Method for Softening Point of Bitumen(Ring-and-Ball Apparatus).The apparatus covers the determination of the softening point of bitumen in the range from 30 to 157℃ [86 to 315℉] using the ring-and ball apparatus immersed on distilled water [30 to 80℃] or USP glycerin (above 80 to 157℃）.

HK-3145 conforms to ASTM D852 Standard Test Method for Solidification Point of Benzene,it covers the determination of the solidification point of benzene,this tester can be used to determine the purity of benzene.The closer the solidification point reaches that of pure benzene,the purer the sample.

HK-1757 Apparatus for Total Chloride Content in Petroleum Products conforms to ASTM D5808 Standard Test Method for Determining Chloride in Aromatic Hydrocarbons and Related Chemicals by Microcoulometry.Apparatus follows the Microcoulometry principle,used for testing the total chloride content in petrochemical,coal chemical industry,aromatic hydrocarbon and natural gas.It features high sensitivity and good repeatability. Configuration:Microcoulometry titration main host,stirrer,injector,PC

HK-11138 Apparatus for Copper Strip Corrosion by Industrial Aromatic Hydrocarbons conforms to ASTM D849 Standard Test Method for Copper Strip Corrosion by Industrial Aromatic Hydrocarbons. This test method is suitable for setting specifications, for use as an internal quality control tool, and for use in development or research work on industrial aromatic hydrocarbons and related materials. It also gives an indication of the presence of certain corrosive substances which may corrode equipment, such as acidic compounds or sulfur compounds.

HK-5332 Apparatus for Ignition Temperature of Flammable Liquids and Gases conforms to GB/T 5332 Method of Test for Ignition Temperature of Flammable Liquids and Gases.It is used to test the auto-ignition temperature of the flammable liquid and gas.

HK-2455 Apparatus for Organics in Sulfur conforms to GB 2455 and GB/T 2499.1. It is used to test the organics content in industrial sulfur.

HK-7534A Industrial Volatile Organic Liquid Boiling Range Tester conforms to GB/T 7534, it is suitable for measuring the boiling range of volatile organic liquids

HK-18747.1 Automatic High-Precision Torque Testing Machine is for torsional strength performance testing of anaerobic adhesives, other types of adhesives, etc. The material test can be carried out according to the standard of "GB/T18747.1-2002 Determination of Torque Strength of Anaerobic Adhesives (Threaded Fasteners)", and corresponding data processing can be carried out. During the test, the torque curve is displayed in real time, and it supports exporting and printing A4 paper test reports, which are widely used in various enterprises, scientific research institutions and other industries. The automatic high-precision torque testing machine adopts computer control operation, which can collect torque data. Independent electronic measurement and control system adopts computer to control, collect, analyze and process test data. Test data and curves are dynamically displayed along with the test process. The test data is automatically processed and displayed, and the torque-angle curve is drawn. Material, torsion, strength and other test reports in line with national standards, with automatic tracking and measurement of torsional force values, automatic determination of torque physical quantities, etc.

HK-0430A Boiling Point of Engine Coolants apparatus is designed and manufactured according to ASTM D1120 Standard Test Method for Boiling Point of Engine Coolants,the apparatus covers the determination of the equilibrium boiling point of engine coolants.The equilibrium boiling point indicates the temperature at which the sample will start to boil in a cooling system under equilibrium conditions at atmospheric pressure.

HK-0090 Freezing point for Engine Coolant conforms to ASTM D1177 Standard Test Method for Freezing Point of Aqueous Engine Coolants. The apparatus covers the determination of the temperature below which solid hydrocarbon crystals may form in aviation turbine fuels and aviation gasoline.And also can detect the cloud crystallization point of the light petroleum products

HK-0090A Freezing point for Engine Coolant conforms to ASTM D1177 Standard Test Method for Freezing Point of Aqueous Engine Coolants. The apparatus covers the determination of the temperature below which solid hydrocarbon crystals may form in aviation turbine fuels and aviation gasoline.And also can detect the cloud crystallization point of the light petroleum products

HK-0066 Apparatus for Foaming Tendency of Engine Coolants in Glassware conforms to ASTM D1881 Standard Test Method for Foaming Tendency of Engine Coolants in Glassware.This apparatus generally will distinguish coolants that have a tendency to foam excessively from those that are suitable for further evaluation to determine performance in actual service

HK-0620 Apparatus for Corrosion of Cast Aluminum Alloys in EngineCoolants conforms to ASTM D4340 Standard Test Method for Corrosion of Cast Aluminum Alloys in Engine Coolants Under Heat-Rejecting Conditions. This apparatus covers a laboratory screening procedure for evaluating theeffectiveness of engine coolants in combating corrosion of aluminum castingalloys under heat-transfer conditions that may be present in aluminum cylinderhead engines.

HK-0085 Apparatus for Corrosion Test for Engine Coolants conforms to ASTM D1384 Standard Test Method for Corrosion Test for Engine Coolants in Glassware. It will generally distinguish between coolants that are definitely deleterious from the corrosion standpoint and those that are suitable for further evaluation. However, the results of this test method cannot stand alone as evidence of satisfactory corrosion inhibition. The actual service value of an engine coolant formulation can be determined only by more comprehensive bench, dynamometer, and field tests.

HK-0085A Apparatus for Corrosion Test for Engine Coolants conforms to ASTM D1384 Standard Test Method for Corrosion Test for Engine Coolants in Glassware. It will generally distinguish between coolants that are definitely deleterious from the corrosion standpoint and those that are suitable for further evaluation. However, the results of this test method cannot stand alone as evidence of satisfactory corrosion inhibition. The actual service value of an engine coolant formulation can be determined only by more comprehensive bench, dynamometer, and field tests.

HK-23436 Apparatus for Cleaning Power of Cleaning Fluids to Automotive Windshield conforms to GB/T23436 Cleaning Fluids to Automotive Windshield.It is used to evaluate the washing off property.

HKT-001A Circulating low temperature constant temperature bath can provide a high temperature, low temperature constant temperature bath for a variety of constant temperature experiments. Constant temperature bath with pump circulation system, for closed circulatory system constant temperature, can also be used as cold source circulating systems for semiconductor and other cooling system cold source. It not only can be replaced with unfavorable factors of tap water as cold water source, but also can achieve the purpose of saving water, so that pipe is cleaner. The machine uses compressor cooling, low-noise environment-friendly products.

ZL-1 Input Type Cooling Unit is used as cooling source of constant temperature bath. The structure of the instrument is reasonable, easy to operate, safe and reliable.

HK-H700D High Purity Hydrogen Generator can fully meet the domestic and foreign any manufacturer, any model of gas chromatograph supporting the use. It is widely used in petroleum, chemical, pesticide, fertilizer, electric power, tobacco, drug testing, wine making, water quality testing, environmental protection monitoring, CDC, colleges and universities and scientific research institutes, etc. On August 31, 2016, it had been awarded the Certificate of Utility Model Patent.

The HK-A80 comprehensive logging gas chromatograph complies with the calibration method for comprehensive logging instruments. Part 2: Logging Gas Chromatograph SY/T 6679.2-2009 standard. The main components of the instrument are all made of mature chromatographic accessories imported from abroad. This instrument was tested and completed at the Logging Company of Great Wall Drilling of China National Petroleum Corporation and the "Red 33 Well" of Liaohe Oilfield.

The KHNA-500 Nitrogen-Air Generator integrates two functions (nitrogen generation and air generation) into one unit. It features a compact design and simple operation, with built-in anti-liquid-overflow components, a water shortage reminder device, an automatic air drainage system, and impact-resistant, aging-resistant filters—ensuring safe and reliable operation. It produces gas with high purity, stable pressure, and automatic flow rate tracking and display. Fully compatible with gas chromatographs produced by any domestic or international manufacturer, it is an ideal laboratory instrument to replace traditional gas cylinders. It is widely used in sectors including petroleum, chemical engineering, pesticides, fertilizers, electric power, tobacco, pharmaceutical testing, wine making, water quality testing, environmental monitoring, indoor air monitoring, CDC (Centers for Disease Control and Prevention), colleges and universities, and research institutes.

HK-155 Capillary Viscometer Verification Bath conforms to JJG 155, it is suitable for verifying various kinds of capillary viscometers

HKT-003 Standard Oil Bath is suitable for liquid thermometer and temperature sensor verification.

The HKT-003A standard oil tank complies with the requirements of the JJG 161 and JJG 130 verification regulations and is suitable for the initial verification, subsequent verification and in-use inspection of glass liquid thermometers and sensors, etc.

HKT-004 Standard Tank, which meets the requirements of JJG 161 and JJG 130 calibration regulations, is suitable for the first calibration, subsequent calibration and in-use inspection of glass liquid thermometers and sensors.

The HKT-004A standard water tank complies with the requirements of the JJG 161 and JJG 130 verification regulations and is suitable for the initial verification, subsequent verification and in-use inspection of glass liquid thermometers and sensors, etc.

HKT-005 Standard Cryogenic Tank meets the requirements of JJG 161 and JJG 130 calibration regulations, and is suitable for the first calibration, subsequent calibration and in-use inspection of glass liquid thermometers and sensors.

The HKT-005A standard low-temperature bath complies with the requirements of the JJG 161 and JJG 130 verification regulations and is suitable for the initial verification, subsequent verification and in-use inspection of glass liquid thermometers and sensors, etc.

HKT-006 Thermometer Reading System is a system for reading thermometers for calibration or use, which makes the reading of thermometers more accurate and easy to operate. It is suitable for reading glass thermometers used in laboratory instruments.

HKT-008 heat pipe thermostat tank, in line with JJG 130 calibration regulations and other requirements of the thermostat tank, suitable for a variety of glass liquid thermometer, bimetal thermometer, fiber optic temperature sensor, thermocouple and temperature sensor calibration and verification, can be used in place of other thermostat tanks such as oil tanks, salt tanks and other thermostat tanks. It can do full immersion, local immersion thermometer calibration and verification. on December 30, 2015 had been awarded the Certificate of Utility Model Patent.

The HKT-008A heat pipe constant temperature bath complies with the requirements of the JJG 130 verification regulation and other constant temperature baths. It is suitable for the calibration and verification of various glass liquid thermometers, bimetallic thermometers, optical fiber temperature sensors, thermocouples and temperature sensors, and can be used as a substitute for other constant temperature baths such as oil baths and salt baths. It can be used for calibration and verification of full immersion and partial immersion thermometers.

HKT-009 Portable Temperature Sensor Heat Pipe Testing Furnace, which meets the requirements of JJG 229, JJG 226 and JJG 130 testing regulations, is suitable for testing thermocouples, platinum resistors, bimetallic temperature sensors and glass liquid thermometers. It can realize on-site testing. on April 13, 2016 had obtained the Certificate of Utility Model Patent.

HKT-010 smoke point heat pipe calibration device, in line with the requirements of JJG 130 calibration regulations, applicable to a variety of smoke point temperature sensor and temperature instrumentation calibration, can replace the use of oil tank, salt tank and other thermostatic tank. It can be used instead of other constant temperature baths such as oil bath and salt bath. It can be used for the calibration of fully-immersed and locally-immersed bimetal thermometers.

HKT-011 thermostatic calibrator for heat source, conforming to the requirements of JJG 130 and other relevant calibration regulations, is suitable for the calibration and verification of bimetallic thermometers, thermocouples and temperature sensors.

HKT-012 infrared thermometer calibration device, is authorized by the China Academy of Measurement Sciences, Liaoning Provincial Inspection and Certification Center for Measurement Science Research Institute and Liaoning Huake Petroleum Equipment Technology Co. It is mainly used for the calibration of infrared ear thermometers, infrared forehead thermometers and other non-contact infrared body temperature measurement instruments, in line with the requirements of JJG 1164-2019 infrared ear thermometer calibration regulations and JJF 1577-2016 infrared ear thermometer type evaluation outline. Applicable to non-contact infrared body temperature measurement instrument manufacturers, measurement units and medical and health departments on the non-contact infrared body thermometer calibration use, but also can detect the heat meter.

HKT-013 Water triple point container freezing and preservation device, in accordance with JJF 1030-2023 "Technical Performance Test Specification for Constant Temperature Bath for Temperature Calibration" The technical standards comply with JJG 229-2010 "Verification Regulation for Industrial Platinum and Copper Thermal Resistors", JJG 130-2010 "Verification Regulation for Working Glass Liquid Thermometers", JJF 1908-2021 "Calibration Specification for Bimetallic Thermometers", and JJF It can also be used as a constant temperature source for verification and calibration in accordance with the requirements of regulations and standards such as the "Calibration Specification for Pressure Thermometers" from 1909 to 2021.

HK-196 General glass measuring device verification device (volume method) conforms to JJG 196. It is suitable for the verification, subsequent verification and in-use inspection of common glass measuring instruments such as burettes, graduated pipettes, single-marked pipettes, single-marked volumetric flasks, measuring cylinders, and measuring cups.

HK-155B Automatic Capillary Viscometer Verification Bath conforms to JJG 155 verification regulations are applicable to the verification of various capillary viscometers.

HK-1002 Rotational Viscometer Verification Device conforms to JJG 1002 Rotational Viscometer Verification Regulations, and is suitable for the initial verification, subsequent verification and in-use verification of the rotational viscometer.

HK-42 Hydrometer verification device (direct comparison method) (patented product), in line with the requirements of JJG 42 verification regulation comparison method and GB/T 1884 test method, suitable for density meter, petroleum density meter, alcohol meter, sugar meter, The initial verification, subsequent verification and verification in use of the quality fixed working glass float meter such as milk meter and soil meter. It is also suitable for the determination of crude oil, petroleum products, petroleum products and non-petroleum products with liquid Reid vapor pressure (RVP) less than 100kPa. Density at 20°C of the product mixture.

HK-42A Hydrometer Verification Device (Weighing Method) conforms to JJG 42 verification regulations, and is suitable for the initial verification, subsequent verification and verification in use of fixed-quality working glass float meters such as density meters, petroleum density meters, alcohol meters, sugar meters, milk meters, and soil meters. This method is the secondary planting verification method

The HK-5110 time calibrator complies with the JJG 237-2010 "Stopwatch" verification regulation issued by the State Administration for Market Regulation. It is suitable for use by metrology departments at all levels, factories, colleges and universities, and various research institutions to calibrate various millisecmilliseconds meters, electric stopwatches (401, 405, 415, 417), mechanical stopwatches and digital quartz electronic watches. The instrument adopts full digital control. The whole machine has the advantages of high stability and high accuracy, complete functions, convenient operation and strong anti-interference ability.

HKT-015 Solution Preparation System，It is suitable for liquid heating in the laboratory. The instrument has its own heating function, which can heat evenly, has a wide range of uses, and is safe and reliable.

HK-K102 Oil free low noise air compressor is a new product developed by our company according to the requirements of users. Compared with similar domestic products, it has the characteristics of oil-free, light weight, low noise, small size and high energy efficiency. It is widely used In scientific research, chemical industry, oil field, medical treatment, industry and other fields, it is an ideal gas source for laboratories, gas chromatography, geochemical instruments, and comprehensive logging instruments.It was awarded the "Utility Model Patent Certificate" on July 27, 2016.

The HK-9501 cold mirror dew point meter is a precision instrument specifically designed for testing dew point temperature, ambient temperature and relative humidity. The product adopts the cold mirror principle, touch screen control system, fully automatic continuous analysis, high precision, wide measurement range, good stability and no drift. It is widely used in the temperature and humidity measurement work of measurement units and other fields.

HK-9501 temperature and humidity test box is my company for the calibration of temperature and humidity meter and specially developed constant temperature and humidity box, 360 ℃ without dead angle observation window, with a high degree of stability and volatility indicators are used to test the hair temperature and humidity meter (meter), dry and wet bulb thermometer, digital temperature and humidity meter and other types of temperature and humidity sensors of the special calibration equipment. Applicable to all levels of measurement departments, meteorological departments, electronics, electric power, military and other production departments and colleges and universities, scientific research institutes to use.

The HK-7980 is an upgraded model specifically designed to enhance the quality of the oilfield refining and chemical industry. A gas chromatograph made in China, which introduces advanced production technology from abroad and combines it with "Made in China". The HK7980 is equipped with a high-quality EFC module and a highly sensitive FID detector, enabling it to conduct highly sensitive, precise and reliable trace analysis for users

The HK-6035 Cetane Number Analyzer (Constant-Volume Combustion Method) complies with the requirements of the NB/SH/T 6035 test method. It is applicable to conventional diesel fuel, diesel fuel with cetane number improvers added, as well as unconventional fuels such as biodiesel and blended fuels containing biodiesel and diesel blending components. It is suitable for the determination of the cetane number of automotive diesel fuel specified in GB 19147.

HK-0403 paraffin colorimeter is in accordance with the requirements of test method SH/T 0403 and is suitable for the determination of paraffin color.

The oil sampling kit is a special combined appliance used to check the bottom of the oil product for water contamination and to take samples for inspection during the process of receiving, dispatching or storing petroleum products.

Fuel measuring tank is a special combined appliance for measuring liquid level, measuring temperature (temperature in the tank), apparent density and test temperature during the process of receiving, issuing or storing petroleum products.

Our oil metering instruments boast remarkable highlights. Crafted from high-quality materials like brass, aluminum, stainless steel, and glass, they ensure durability and accuracy. With a diverse range of specifications, from samplers in 330 ml, 500 ml, 1000 ml to dipsticks in various lengths and gauges with precise measurements, these instruments cater to all oil metering needs. Whether for sampling, measuring levels, or gauging volumes, they deliver reliable performance, making oil metering efficient and precise.

These ASTM thermometers are outstanding in precision and versatility. They cover a wide range of temperature measurements, from extremely low to high temperatures, suitable for various applications like cloud and pour tests, distillation, viscosity determination, and more. With a subdivision as fine as 0.05°C for some models, they ensure highly accurate readings. The consistent stem shape and well-defined dimensions, including full length, outer diameter, and immersion depth, make them easy to use and compatible with standard setups, meeting the rigorous requirements of ASTM standards for reliable temperature measurement in diverse industrial and laboratory processes.

These GB/T thermometers excel in precision and adaptability for flash point measurement. They cover a wide temperature range, from low (-5°C) to high (up to 400°C), with graduation values as fine as 0.5°C for accurate readings. Available in rod and internal standard shapes, they fit various setups. With well-defined dimensions like total length (250±10 mm to 330±10 mm), outer diameter (6 - 10 mm), and immersion depth (25 - 57 mm), they ensure proper positioning. Whether for closed or open cup flash point tests, these thermometers meet GB/T standards, providing reliable performance for quality control in related industries.

These thermometers for petroleum product experiments are highly specialized. They cover various key temperature ranges, such as -30 ~ 50°C for oil cylinders and 30 ~ 200°C for melting points, with graduation values as precise as 0.2°C for accurate readings. Available in rod and internal standard shapes, they fit different experimental setups. With appropriate dimensions like total length (300±10 mm to 350±10 mm) and outer diameter (6 ~ 10 mm), and specified immersion depths (full immersion or fixed lengths like 65 mm, 75 mm), they ensure reliable temperature measurement in experiments like determining crystallization points, pour points, and melting points, meeting the strict requirements of petroleum product testing.

These thermometers for petroleum product experiments are highly specialized. They cover various key temperature ranges, such as -30 ~ 50°C for oil cylinders and 30 ~ 200°C for melting points, with graduation values as precise as 0.2°C for accurate readings. Available in rod and internal standard shapes, they fit different experimental setups. With appropriate dimensions like total length (300±10 mm to 350±10 mm) and outer diameter (6 ~ 10 mm), and specified immersion depths (full immersion or fixed lengths like 65 mm, 75 mm), they ensure reliable temperature measurement in experiments like determining crystallization points, pour points, and melting points, meeting the strict requirements of petroleum product testing.

Serial NumberTemperature Measurement Range (℃)Graduation Value (℃)ShapeTotal Length (mm)Outer Diameter (mm)Immersion DepthTemperature-Sensing Liquid 1-60～00.1Internal Standard54010Full ImmersionMercury-Thallium Alloy 2-60～-300.1Internal Standard/Rod Type54010/8～9Full ImmersionMercury-Thallium Alloy 3-30～200.1Internal Standard/Rod Type53010/8～9Full ImmersionMercury 40～500.1Internal Standard/Rod Type53010/8～9Full ImmersionMercury 550～1000.1Internal Standard/Rod Type53010/8～9Full ImmersionMercury 6100～1500.1Internal Standard/Rod Type53010/8～9Full ImmersionMercury 7150～2000.1Internal Standard/Rod Type53010/8～9Full ImmersionMercury 8200～2500.1Internal Standard/Rod Type53010/8～9Full ImmersionMercury 9250～3000.1Internal Standard/Rod Type53010/8～9Full ImmersionMercury

These general - purpose thermometers are highly versatile. They offer a wide range of temperature measurements, from 0~50°C to 0~360°C, with subdivision values of 1°C or 2°C for accurate readings. The tail length varies from 80~120 mm to 500 mm, suiting different usage scenarios. Moreover, they can be customized into multi - piece groups like 10 - piece (0~145°C), 15 - piece (30 - 190°C), and 25 - piece (- 5~45°C) sets, as well as thermometers with a broader temperature range (- 80~500°C), meeting both precision and general temperature - measuring needs in various fields such as industry, laboratories, and daily life.

It is mainly caused by vibration during transportation and storage (low temperature thermometers should be stored in low temperature equipment). Therefore, the thermometer must be checked before the verification and use. If there is disconnection, it should be repaired in time. After the repair, it should be verified and used after passing the verification. Otherwise, it cannot be used.

These standard working petroleum hydrometers offer excellent performance. They come in various sets (25 - piece, 10 - piece, 9 - piece) to meet diverse measurement needs. With subdivisions as fine as 0.2 kg/m³ (for the 25 - piece SY - 02) and up to 1.0 kg/m³, they ensure high measurement accuracy. Calibrated at 20 °C, they provide reliable density readings for petroleum products. Different max full lengths (190 mm to 350 mm) make them suitable for various containers. Whether for precise laboratory analysis or on - site petroleum density testing, these hydrometers deliver consistent and accurate results, playing a crucial role in quality control and measurement of petroleum products.

These standard glass hydrometers are highly precise and versatile. The 39 - piece 1st Grade model (A) has a subdivision of 0.2 kg/m³ (for <1500 kg/m³) and 0.5 kg/m³ (for >1500 kg/m³), with a full length of 375±10 mm, enabling accurate density measurement across a wide range (550 - 2000 kg/m³). The 17 - piece (B) and 34 - piece (C) 2nd Grade hydrometers, with a subdivision of 0.5 kg/m³ and full length 850±10 mm, also cover broad density ranges. For alcohol measurement, the 10 - piece 1st Grade (D) and 5 - piece 2nd Grade (E) alcohol meters, with a subdivision of 0.1 %Vol, precisely measure alcohol volume fractions (0 - 100 %Vol). All are calibrated at 20 °C, ensuring reliability, and are ideal for density/alcohol content testing in industries like petroleum, chemical, and beverage.

These glass hydrometers are highly practical. They come in various sets (28 - piece, 24 - piece, 23 - piece, 14 - piece, 7 - piece) to fit different measurement needs. With subdivisions ranging from 0.5 kg/m³ to 2.0 kg/m³, they ensure accurate density readings. Calibrated at 20 °C and with readouts from the lower edge, they offer reliable results. Different full lengths (180±10 mm to 350±10 mm) make them suitable for various containers. Whether for laboratory analysis or industrial density testing, these hydrometers provide consistent and precise measurements, playing an important role in density determination across multiple fields.

These capillary viscometers stand out with remarkable versatility and precision. They adhere to authoritative standards like ISO 3105 and GB/T 30514, ensuring reliability. Covering a wide array of types—from Ostwald to Cannon - Fenske series—they cater to diverse viscosity measurement needs. The specifications, with capillary diameters ranging from 0.22 mm to 10.00 mm, enable accurate measurement of different fluid viscosities. Whether for laboratory research or industrial quality control in fields such as petroleum, chemicals, and pharmaceuticals, these viscometers deliver precise and consistent results, playing an indispensable role in analyzing fluid flow properties.

1. Volumetric flasks and measuring cylinders of various capacities 2. Various precision acid and basic burettes, microburettes, automatic burettes 3. Various precision, capacity, graduated pipettes, single reticle pipettes

These petrochemical glassware pieces are essential in the industry. They comply with standards like ASTM and GB, ensuring accuracy and reliability. Covering a wide range, from distillation cylinders (5 - 125ml) for separation to density bottles (ground plug, capillary plug, wide mouth types) for density measurement, and various test tubes for properties like freezing point, aniline point, they meet diverse experimental needs. Whether for distillation, viscosity testing, sulfur content analysis, or water content determination, these glassware items provide precise containers and tools, playing a crucial role in petrochemical research, quality control, and production processes.

Laboratory glassware refers to a variety of equipmentin scientific work traditionally made of glass. Glass can be blown, bent, cut, molded, formed into manysizes and shapes, and is therefore common inchemistry, biology, and analytical laboratories. Many laboratories have a training programs to demonstrate how glassware is used and to alert first time users to the safety hazards involved with using glassware.

The Automatic Grease Oil Separation Tester (Cone and Net Method) complies with the requirements of test methods NB/SH/T 0324 and ASTM D6184. It is designed to determine the oil separation tendency of greases with a penetration of not more than 340 (1/10 mm) under high-temperature conditions.

The HK-3535D Automatic Pour Point and Cloud Point Tester complies with the requirements of test methods GB/T 3535, GB/T 510, and ASTM D97. It is suitable for the determination of pour point and cloud point of petroleum products.

The HK - 382A Automatic Smoke Point Tester meets the requirements of the test methods specified in GB/T 382 and ASTM D1322. It is suitable for determining the smoke point of kerosene and jet fuel.

HK-0771A Rapid Pouring Point Tester is a fast and micro low temperature tester designed and developed by our company, which is compact in size, simple in operation, and can be used for the determination of freezing point and pouring point in one machine, and the accuracy of the result meets the requirements of GB/T 3535 test method.

The HK-265H Low-Temperature Kinematic Viscometer for Jet Fuel complies with the requirements of test methods GB/T 265 and ASTM D445. It is suitable for determining the kinematic viscosity of liquid petroleum products (referring to Newtonian fluids) at 0℃ and below 0℃.

The HK-7020 simulation method liquid level gauge verification device complies with the requirements of JJG 971 Verification Regulation. It is a dedicated device mainly used for the metrological verification of non-contact liquid level instruments. Integrating the main control system, linear track, test trolley, reflection target, electrical acquisition system, and fully automatic control software, the device relies on the control system for precise liquid level control and the measurement system for accurate liquid level measurement. Combined with dedicated software, it realizes fully automatic testing and can even generate/print verification certificates, meeting the full-cycle testing requirements. It is widely applied in metrological/research institutes, liquid level gauge manufacturers, and calibration laboratories across various industries.

The HK-7000 series liquid level gauge verification device based on the actual marking method complies with the requirements of JJG 971 Verification Regulation. It is a dedicated metrological verification device for liquid level instruments, integrating software and electrical measurement functions. The measurement system conducts precise liquid level measurement, while the control system realizes accurate liquid level control, meeting the requirements of fully automatic testing. It is widely used in various calibration laboratories and metrological inspection institutes. With the emergence of many new types of liquid level gauge products and technologies, the existing liquid level gauge verification devices generally have problems such as low accuracy and inconvenient installation methods. To address these issues, after conducting extensive research on the working conditions of liquid level gauges, the current status of liquid level gauge products, as well as existing verification conditions and methods, and comprehensively considering the domestic market's requirements for liquid level metrological equipment, Liaoning Huake Petroleum Equipment Technology Co., Ltd. has developed this set of liquid level gauge verification device.

The HK-1008 Refractometer meets the requirements of the SH/T 0686 test method. It is suitable for measuring the freezing points of ethylene glycol-type antifreeze, propylene glycol-type antifreeze, and glass cleaning agents, as well as the freezing point of the electrolyte specific gravity in lead-acid batteries. It is a small, precision optical instrument for measuring solution concentration. Its basic principle is to measure the refractive index of a solution using the critical angle total reflection method, thereby calibrating the concentration and performance of the measured liquid.

The HK - 6006A Rapid Metal Bath Copper Strip and Silver Strip Corrosion Tester meets the requirements of the test methods specified in SH/T 6006 and YLB15. It is suitable for determining the corrosion degree of aviation gasoline, jet fuel, motor gasoline, stable hydrocarbons or other hydrocarbons with a vapor pressure not greater than 124kPa at 37.8°C, solvent oil, kerosene, diesel oil, distillate fuel oil, lubricating oil and other petroleum products to copper. It is also suitable for quickly evaluating the corrosion tendency of jet fuel to the parts of the engine fuel system. The instrument is light and easy to carry, and can realize rapid temperature rise for corrosion experiments in high - altitude and field areas with relatively low atmospheric pressure.

HK-6748-4 Actual Gum Rapid Tester, in accordance with the requirements of GJB 6748.4 test method, is suitable for the rapid assessment of the actual gum of automobile gasoline and diesel fuel with standard gum circle pattern, and can be used to quickly determine the actual gum of automobile gasoline and diesel fuel in the field or in the laboratory conditions.

The HK - 5208 Automatic Flash Point Tester (Rapid Equilibrium Closed Cup Method) meets the requirements of the test methods specified in GB/T 5208 and ISO 3679. It is suitable for determining the closed - cup flash point of paints (including water - based paints), varnishes, paint bases, adhesives, solvents, petroleum and related products within the temperature range of - 30°C to 300°C. It is also applicable for determining the flash point of fatty acid methyl esters (FAME).

The HK-261D Rapid Micro Automatic Flash Point Tester (Combined Open/Closed Cup) is a newly designed instrument capable of detecting both open and closed cup flash points. Its test results comply with the requirements of closed cup flash point test method GB/T 261 and open cup flash point test method GB/T 3536. Featuring a compact size and high integration, this product is suitable for flash point detection of petroleum products in flexible environments and has obtained a national patent.

The HK-46421 Automatic Grease Dropping Point Tester complies with the requirements of the test method GB/T 46421 and is suitable for the determination of the dropping point of grease.The instrument adopts a new metal bath heating method, automatically judges the test results, and can quickly cool down through air cooling for the next test. It features simple operation and high efficiency, with test results meeting the requirements of GB/T 4929 and GB/T 3498.

The HK-30515 Kinematic Viscometer for Petroleum Products complies with the requirements of test methods GB/T 30515 and ISO 3104, and also meets the requirements of GB/T 265 and ASTM D445. The capillary viscometer conforms to the technical specifications of GB/T 30514, ISO 3105, SH/T 0173 and ASTM D446 (capillary viscometers of different specifications and sizes are optional). Thermometers with different precision ranges can be selected according to test conditions, which is suitable for the determination of kinematic viscosity of transparent and opaque liquid petroleum products.

The HK-0208 Aviation Hydraulic Oil Thermal Oxidation Stability and Corrosion Tester complies with the requirements of the SH/T 0208 test method. It is suitable for determining the thermal oxidation stability and corrosion of aviation hydraulic oil.

HK-5L water distiller is used to distill pure water by heating tap water electrically, which can be used in medical and health care, pharmaceutical and laboratory sectors. Related Products: HK-3L, HK-10L, HK-20L

The HK-7304 Acid Value Tester meets the precision requirements of relevant potentiometric titration standards such as GB/T 7304, GB/T 264, and ASTM D664. It consists of four components: hardware circuit, titration device (imported Swiss Metrohm exchange unit), stirrer, and PC. It is an ideal intelligent analytical instrument essential for laboratories, analysis rooms, research institutions, and teaching departments. The instrument collects electrode potential values (reference electrode and measuring electrode) via computer to determine the volume of standard solution titrated at the endpoint (maximum potential jump point or constant potential). This allows calculation of ion content in the sample solution, and the concentration of the measured substance is derived using chemical reaction equations. The instrument is mainly used for acid-base titration, redox titration, precipitation titration, complexometric titration, and coordination titration. It can smooth titration curves and correct endpoint positions, effectively ensuring result accuracy.

The HK-0162 Basic Nitrogen Analyzer complies with test methods such as SH/T 0162. It consists of four components: hardware circuit, titration device (imported Swiss Metrohm exchange unit), stirrer, and PC. It is an ideal intelligent analytical instrument essential for laboratories, analysis rooms, research institutions, and teaching departments. The instrument collects electrode potential values (reference electrode and measuring electrode) via computer to determine the volume of standard solution titrated at the endpoint (maximum potential jump point or constant potential). This allows calculation of ion content in the sample solution, and the concentration of the measured substance is derived using chemical reaction equations. The instrument is mainly used for acid-base titration, redox titration, precipitation titration, complexometric titration, and coordination titration. It can smooth titration curves and correct endpoint positions, effectively ensuring result accuracy.

The HK-0630 Bromine Number and Bromine Index Tester complies with the requirements of test methods including SH/T 0630 and ASTM D1492. It is suitable for determining the bromine number and bromine index of petrochemical products such as gasoline, kerosene, diesel oil, lubricating oil, and light/heavy aromatic hydrocarbons.

The HK-0657 Trace Nitrogen Analyzer for Liquid Petroleum Hydrocarbons (Oxidative Combustion & Chemiluminescence Method) complies with the requirements of test methods including SH/T 0657, ASTM D4629, and ASTM D5762. It is suitable for determining the total nitrogen content in crude oil, distillate oil, liquefied petroleum gas, plastics, petrochemical products, food, and water.

The HK-T860 Automatic Potentiometric Titrator is a durable, accurate, and cost-effective economical potentiometric titrator. It adopts an integrated design with a compact appearance and can perform various titrations such as acid-base titration, redox titration, precipitation titration, and complexometric titration.

The HK-R500 Automatic Refractometer is equipped with a high-performance linear CCD photosensitive component. It adopts high-speed and high-precision signal acquisition and analysis technology, along with a semiconductor Peltier super temperature control system. It can efficiently and accurately measure the refractive index (nD) of various liquids—including transparent, translucent, dark-colored, and viscous liquids—and the mass fraction (Brix) of sugar solutions. This product is widely used in the petroleum industry, oil industry, pharmaceutical industry, food industry, daily chemical industry, sugar industry, etc. It is also a common equipment in schools and related scientific research institutions.

The HK-D70 Automatic Density Meter adopts the U-tube oscillation method principle and perfectly combines Peltier precise temperature control technology with high-definition video camera technology. It not only provides users with accurate, stable, and reliable test results but also delivers an efficient and convenient testing experience. The high-definition video allows users to easily check whether bubbles in the sample affect the test. With pulse excitation and high-precision detection technology, it enables users to accurately and quickly measure the sample density and density-related parameters. This product is applied in the pharmaceutical industry, essence and fragrance industry, petrochemical industry, beverage industry, food industry, brewing industry, chemical industry, machinery manufacturing, testing institutions, and other third-party testing fields for liquid density measurement.

The HK-D50 Automatic Density Meter adopts the U-tube oscillation method principle, and perfectly combines Peltier precise temperature control technology with high-definition video camera technology. It not only provides users with accurate, stable, and reliable test results, but also brings an efficient and convenient testing experience. The high-definition video allows users to easily check whether bubbles in the sample affect the test. It uses pulse excitation and high-precision detection technology, enabling users to accurately and quickly measure the sample density and density-related parameters. This product is applied in the pharmaceutical industry, essence and fragrance industry, petrochemical industry, beverage industry, food industry, brewing industry, chemical industry, machinery manufacturing, testing institutions and other third-party testing fields for liquid density measurement.

The PHS-3C pH Meter is a laboratory pH measurement instrument. It is widely used in fields such as universities, environmental protection, pharmaceuticals, food, hygiene, geological prospecting, metallurgy, and marine exploration. It is required for pH measurement of common substances including acid rain, industrial wastewater, surface water, drinking water, beverages, daily chemical products, and textiles.

The HA-300C Hydrogen-Air Generator integrates two functions (hydrogen generation and air generation) into one unit. It is compatible with gas chromatographs produced by any domestic or international manufacturer, and serves as an ideal laboratory instrument to replace traditional gas cylinders. It is widely used in sectors including petroleum, chemical engineering, pesticides, fertilizers, electric power, tobacco, pharmaceutical testing, wine making, water quality testing, environmental monitoring, indoor air monitoring, CDC (Centers for Disease Control and Prevention), colleges and universities, and research institutes.

The HK-N500 High-Purity Nitrogen Generator can be used intermittently or operate continuously throughout the year. It serves as an ideal laboratory nitrogen supply source to replace traditional gas cylinders. This instrument is fully compatible with gas chromatographs of any model produced by any domestic or international manufacturer. It is widely used in sectors including petroleum, chemical engineering, pesticides, fertilizers, electric power, tobacco, pharmaceuticals, wine making, tap water, environmental monitoring, health and epidemic prevention, colleges and universities, and research institutes.

The SFK-503V Karl Fischer Titrator (Volumetric Method) supports automatic measurement mode, KF titer determination mode, automatic Karl Fischer oven measurement, and Karl Fischer oven blank mode, meeting the moisture measurement needs of different types of samples. The solvent manager adopts anti-leakage and anti-suck-back designs for the waste liquid bottle. It supports titration cup liquid filling, titration cup liquid draining, titrant mixing, and automatic cleaning functions. This effectively prevents direct contact with KF reagents, ensuring the safety of operators and the environment during measurement and use.

The HK-266 Petroleum Product Engler Viscosity Tester complies with the requirements of the GB/T 266 test method. It is suitable for determining the Engler viscosity of petroleum products.

The HK-T960 Automatic Titrator is a high-precision laboratory analytical instrument for volumetric analysis using titration methods such as potentiometric titration and amperometric titration. It can perform various titrations including acid-base titration, redox titration, precipitation titration, complexometric titration, and amperometric titration. It is equipped with functions like macro titration, micro titration, endpoint-set titration, volume-set titration, and mode titration. Meanwhile, users can select or create dedicated titration modes according to actual needs. This product is applicable in fields such as food, pharmaceutical testing, disease control, inspection, commodity inspection, water treatment, petroleum, chemical industry, marine, electric power, environmental protection, new energy, teaching, and scientific research.

The HK-5654 Insulating Oil Dielectric Loss and Resistivity Tester complies with the requirements of the GB/T 5654 test method. It is suitable for measuring the dielectric loss factor, relative permittivity, and DC resistivity of liquid insulating materials. It features an integrated structure, with key components such as a dielectric loss oil cup, temperature controller, temperature sensor, dielectric loss test bridge, AC test power supply, standard capacitor, high resistance meter, and DC high-voltage source integrated inside. The instrument adopts full-digital technology for fully intelligent and automatic measurement. It is equipped with a large color LCD screen and a full Chinese menu, and test results can be automatically stored and printed out.

The HK-18854-P6 Portable Automatic Particle Counter is a specialized instrument developed for detecting contamination levels in oil, complying with national and international standards such as GB/T 18854 and ISO 11171. It is suitable for on-site and laboratory contamination level testing of various oils, including hydraulic oil, lubricating oil, shale oil, transformer oil (insulating oil), turbine oil, gear oil, engine oil, aviation kerosene, water-based hydraulic oil, and phosphate ester oil. It can also be installed on systems like hydraulic transmission systems, oil filters, cleaning machines, and test benches to realize online detection of oil cleanliness in the systems. It is widely applicable in fields such as aerospace, electric power, petroleum, chemical industry, transportation, ports, metallurgy, machinery, and automobile manufacturing.

The HK-18854-P2 Portable Automatic Particle Counter (Large Screen) is an instrument specially developed for detecting contamination levels in oil, complying with national and international standards such as GB/T 18854 and ISO 11171. It is suitable for on-site and laboratory contamination level testing of oils including hydraulic oil, lubricating oil, shale oil, transformer oil (insulating oil), turbine oil, gear oil, engine oil, aviation kerosene, water-based hydraulic oil, and phosphate ester oil. It can also be installed on various systems such as hydraulic transmission systems, oil filters, cleaning machines, and test benches to realize online detection of oil cleanliness in the systems. It is widely applicable in fields like aerospace, electric power, petroleum, chemical industry, transportation, ports, metallurgy, machinery, and automobile manufacturing.

The HK-18854-L2 Automatic Oil Particle Counter (Benchtop Type) complies with the requirements of standards such as GB/T 18854 and ISO 11171. It is developed based on the light blockage (light shading) method counting principle and fully conforms to military standards, national standards, and international standards. It can provide fast, accurate, reliable, and repeatable test results as well as complete contamination monitoring and analysis reports. It is suitable for testing the particle contamination level of hydraulic oil, lubricating oil, fire-resistant oil, insulating oil, turbine oil, and other oils. It can be widely used in fields such as aviation, aerospace, electric power, petroleum, chemical industry, transportation, ports, metallurgy, machinery, and automobile manufacturing.

The HK-268 Petroleum Product Carbon Residue Tester (Conradson Method) complies with the requirements of the GB/T 268 test method. It is suitable for determining the carbon residue content of petroleum products after thermal evaporation and pyrolysis.

The HK - 0168 Petroleum Product Colorimeter complies with the requirements of the SH/T 0168 test method. It is suitable for determining the color of various petroleum products such as lubricating oils, kerosene, and diesel.

The HK-W4BJ Sampling Rope is suitable for oil storage containers such as oil tanks and oil tank trucks. It is used in conjunction with samplers and temperature measuring boxes for sampling or temperature measurement.

The HK-W4 Sampling Rope is suitable for oil storage containers such as oil tanks and oil tank trucks. It is used in conjunction with samplers and temperature measuring boxes for sampling or temperature measurement.

The HK-200C Flood-Type Temperature Measuring Box meets the requirements of the GB/T 8927 standard. It is suitable for measuring the temperature of liquids in oil storage containers such as oil tanks and oil tank trucks.

The HK-200 Temperature Measuring Box meets the requirements of the GB/T 8927 standard. It is suitable for measuring the temperature of liquids in oil storage containers such as oil tanks and oil tank trucks.

The HK-330QC Full-Range Sampler meets the requirements of the GB/T 4756 standard. It is suitable for taking samples at any height from oil storage containers such as oil tanks and oil tank trucks.

The HK-330JZ Thin-Walled Weighted Sampler meets the requirements of the GB/T 4756 standard. It is suitable for taking oil samples at any height (excluding bottom samples) from oil storage containers such as oil tanks and oil tank trucks.

The HK-330DB Bottom Sampler meets the requirements of the GB/T 4756 standard. It is suitable for taking samples from the bottom of oil storage containers such as oil tanks and oil tank trucks.

The HK-330CX Detachable Sampler meets the requirements of the GB/T 4756 standard. It is suitable for taking oil samples at any height (excluding bottom samples) from oil storage containers such as oil tanks and oil tank trucks.

The HK-0103 Polymer-Containing Oil Shear Stability Tester (Diesel Nozzle Method) meets the requirements of test methods SH/T 0103 and ASTM D6278. It is suitable for determining the shear stability of polymer-containing oils using the diesel nozzle method, specifically measuring the kinematic viscosity loss of polymer-containing oils at 100℃ with a European diesel nozzle tester. The viscosity loss reflects the degradation degree of the polymer under the shearing action of the nozzle.

The HK-90 Special-purpose Diversion Tube for Oil Drums is used for oil dispensing from 200L oil drums and is equipped with a static clip wire.

The HK-0093-2 Particle Contaminant Color Comparison Plate meets the requirements for color rating of aviation turbine fuel filter membranes specified in Appendix A of Test Method SH/T 0093 and Appendix X1 of Test Method ASTM D2276. It is suitable for determining the pollution degree caused by color changes of jet fuel and increase of impurities due to various factors, and judging its grade by means of comparison.

The HK-5096-2 Copper Strip Color Comparison Plate meets the requirements of test methods GB/T 5096 and ASTM D130. It is suitable for determining the corrosive intensity of aviation gasoline, jet fuel, motor gasoline, natural gasoline, or other hydrocarbons with a Reid vapor pressure not exceeding 124kPa (930mmHg), solvent naphtha, kerosene, diesel oil, distillate fuel oil, lubricating oil, grease and other petroleum products to copper strips, and judging the corrosion grade by means of comparison.

The HK-0023-2 Silver Strip Color Comparison Plate meets the requirements of test methods SH/T 0023 and IP 227. It is suitable for evaluating the corrosion tendency of jet fuel to silver components in aviation turbine engine fuel systems, and determining the corrosion grade by means of comparison.

The HK-3410 Asphalt Ductility Tester meets the requirements of Test Method T0605 in JTG 3410. It is suitable for determining the ductility of materials such as road petroleum asphalt, polymer-modified asphalt, distillation residues of liquid petroleum asphalt, and evaporation residues of emulsified asphalt.

The HK-0425 Petroleum Asphalt Wax Content Tester meets the requirements of the test methods specified in SH/T 0425 and T0615 of JTG 3410. It is suitable for determining the wax content in petroleum asphalt using the cracking distillation method, including petroleum asphalt produced from vacuum residues of natural crude oil and road petroleum asphalt.

The HK-107 Ultrasonic Cleaner is widely used in industries such as education, scientific research, petroleum, chemical engineering, light industry, metallurgy, machinery, transportation, and national defense. It is suitable for deep cleaning of instruments, meters, electronic components, circuit boards, semiconductor silicon wafers, magnetic materials, electroplated parts, hardware parts, optical lenses and accessories, audio magnetic heads, polyester filter elements, spinnerets, latex molds, medical devices, glassware, jewelry, watch parts, precision hardware parts, bearings, oil nozzles and oil pumps, as well as parts in mechanical manufacturing and other components with complex geometric shapes. Especially for cleaning dirt in deep holes, blind holes, and uneven surfaces, it is currently the most ideal high-efficiency and high-precision cleaning equipment. During cleaning, selecting and adding the corresponding cleaning fluid will achieve a better cleaning effect.

HK-05 Air Flow Dryer for Glassware is a small-scale rapid drying equipment for test tubes, beakers and other glassware in the laboratories of universities and colleges, medicine, chemical industry, food processing and other fields by placing the glassware upside down on the air duct and utilizing the hot airflow.

The HK-103 Constant Temperature Water Bath is widely used for drying, concentration, distillation, soaking chemical reagents, soaking pharmaceuticals and biological products. It can also be used for constant temperature heating in water baths and other temperature tests. It is an essential tool for laboratories and research in biology, genetics, virology, aquatic products, environmental protection, medicine, hygiene, biochemistry, analysis, and education.

HK-102 electric hot plate, widely used in baking, drying and other temperature tests, oil laboratory titration and other test heating. It is a necessary tool for biology, genetics, medicine and health, environmental protection, biochemical laboratory, analysis room and teaching and research.

The HK-101AB Electric Oven (Electrically Heated Blast Drying Oven) is widely suitable for various laboratories in industrial and mining enterprises, schools, and scientific research institutions.

HK-600 electronic balance, the implementation of GB/T 26497-2022 "electronic balance" product standards, 1e = 10d, using high stability sensors and single-chip microcomputer composed of intelligent balance. It solves the problems of creep and linearity brought about by resistance strain sensors currently used at home and abroad. It has the functions of tare weighing, self-calibration, memory, counting and fault display. The balance is accurate, fast and stable, easy to operate and fully functional, suitable for industry, agriculture, commerce, school, scientific research and other units to quickly determine the mass and quantity of objects.

The HK - 11142 Determinator for Gas - Evolving Property of Insulating Oil Under Electric Field and Ionization meets the requirements of the test methods specified in GB/T 11142, ASTM D2300, SH/T 0810, and IEC 60628. It is suitable for determining the tendency of insulating oil to release or absorb gas when subjected to an electric field (or ionization) of sufficient intensity to cause discharge at the oil - gas interface. It is applicable to cable oil, capacitor oil, and transformer oil (mineral oil or synthetic oil). It is currently the only automatic detection instrument for insulating oil in China.

HK-GC-9600 adopts 320*240 dot matrix LCD. It can display the temperature of each way and Real Time Operation conditions, so as to achieve the on line monitoring

HK-12574C Magnetic Stirring Fluid Mixer is suitable for heating work of liquid mixing in lab, the apparatus comes with magnetic stirring function, it features uniform heating, widely used and reliable

Mercaptan sulfur has an objectionable odor, an adverse effect on fuel system elastomers, and is corrosive to fuel system components.

HK-Lab 131 Portable Octane and Cetane Tester adopts International advanced integrated circuit technology and Precision inductive components, its various performance and indicators all reached or overreached the domestic advanced level It can be fast, convenient, precise to test the octane value of the gasoline without any damage of the sample. Suitable for the laboratory, also can be used in field test, instrument adopts artificial intelligence technology, strong function and easy to use.

HK-268 Conradson Carbon Residue Apparatus conforms to the ASTM D189 Standard Test Method for Conradson Carbon Residue of Petroleum Products.This apparatus covers the determination of the amount of carbon residue left after evaporation and pyrolysis of an oil, and is intended to provide some indication of relative coke-forming propensities. This test method is generally applicable to relatively nonvolatile petroleum products which partially decompose on distillation at atmospheric pressure, our HK-268 Provides an indication of relative coke forming properties of petroleum oils. The residue remaining after a specified period of evaporation and pyrolysis is calculated as a percentage of the original sample .

HK-387 (HK-387A) Quartz tube sulfur apparatus (Quartz-Tube Method) conforms to the ASTM D1551 Method of Test for Sulfur in Petroleum Oils (Quartz-Tube Method). Applicable to test sulfur content of lubricating oil, heavy oil products, crude oil, petroleum oil coke, paraffin wax, Sulfur-containing additives and other deep color petroleum products what sulfur content is more than 0.1% (m/m).

HK-STM-1 conforms to ASTM D562 Standard Test Method for Consistency of Paints Measuring Krebs Unit (KU) Viscosity Using a Stormer-Type Viscometer. This apparatus covers the measurement of Krebs Unit(KU) viscosity to evaluate the consistency of paints and related coatings using the Stromer-type viscometer. HK-STM-1 simplifies an established test procedure providing an immediate calculation of the viscosity value.

HK-6100 conforms to ASTM D924 Standard Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids. This apparatus is used to measure the dielectric losses in an electrical insulating liquid when used in an alternating electric field and of the energy dissipated as heat. A low dissipation factor or power factor indicates low ac dielectric losses. Dissipation factor or power factor may be useful as a means of quality control, and as an indication of changes in quality resulting from contamination and deterioration in service or as a result of handling.

HK-6278 conforms to ASTM D6278 Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus .The apparatus determines oxidation stability of new and in service turbine oils and other industrial oils; it utilizes an oxygen pressured vessel to evaluate the oxidation stability of new and in service turbine oils having the same composition (base stock and additives) in the presence of water and a copper catalyst coil at 150°C.

The HK-MRH 5A is one of the most widely recognized testers for evaluating the load carrying capacity of extreme pressure lubricants. This tester evaluates fluid lubricants and greases containing extreme-pressure additives.Applicable StandardASTM D2509-93 Standard Test Method for Measurement of Load-Carrying Capacity of Lubricating Grease (Timken Method) and ASTM D2782-94 Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Fluids (Timken Method)

HK-FTIR-650 conforms to ASTM D975 Standard Specification for Diesel Fuel Oils and ASTM D7371 Standard Test Method for Determination of Biodiesel (Fatty Acid Methyl Esters) Content in Diesel Fuel Oil Using Mid Infrared Spectroscopy(FT-IR-ATR-PLS Method).

HK-971 conforms to ASTM D971 Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method. It can be used to replace chemical method with physical method, and can be used to measure the surface tension value of a variety of liquid quickly and accurately.HK-971 can also be separated from the use of the computer, built in LCD digital display and small printer, can be stand alone operation, can also be connected to the computer control to observe the dynamic changes in tension curve.

This apparatus conforms to ASTM D611 Standard Test Methods for Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents, mainly used for determination of the aniline point of petroleum products and hydrocarbon solvents, also can be used for testing the mixed aniline point of petroleum products and hydrocarbon solvents having aniline points below the temperature at which aniline will crystallize from the aniline-sample mixture.

HK-SP-3000 conforms to ASTM D3237 Standard Test Method for Lead in Gasoline by Atomic Absorption Spectroscopy. It is a new generation of self developed symbolical product. It broke the technology bottleneck of D-lamp background correction if domestic high level product.And also provided a reliable safeguard for elements quantitative analysis.

HK-S8035X Digital Oxygen Index (VOC) Tester cconforms to ISO4589, ASTM D2863 and ASTM D2369 Standard. The apparatus is used to determine the buring diffuclty when the material contact with flame in the air. It can be used for Homogeneous solid materials, laminated material, film and thin-film material

Shore Durometer,expecially designed for testing the hardness of vulcanized rubber and plasticproducts, has simple structure, easy operation and reading. High resolution,easy to use, portable. It complies with the international standards ASTM D2240 StandardTest Method for Rubber Property-Durometer Hardness

1.Touch screen operation, built-in standard computer calculation program, easy to operate 2.Imported needle valve, full time safe pressure detecting system 3.One button to start the test, easy and convenient to operate

HK-8929A A knowledge of the water content of crude oil is important in the refining, purchase, sale, or transfer of crude oils. HK-260 Water content analyzer for crude oil (Distillation method) conforms to the ASTM D4006 Standard Test Method for Water in Crude Oil by Distillation. It is used to test water in crude oil by distillation.

HK-0074 Thin Film Oxygen Uptake Tester (TFOUT) conforms to ASTM D4742 Standard Test Method for Oxidation Stability of Gasoline Automative Engine Oils by Thin-Film Uptake (TFOUT). It valuates the oxidation stability of engine oils for gasoline automotive engines. This test, run at 160℃, utilizes a high pressure reactor pressureized with oxygen along with a metal catalyst packagem a fuel catalyst, and water in a partial simulation of the conditon s to which an oil may be subjected in a gasoline combustion engine.This test method can be used for engine oils with viscosity in the range from 4 mm2/s to 21 mm2/s (cSt) at 100℃, including re-refined oils

HK-265T Kinematic Viscosity Apparatus conforms the ASTM D445 StandardTest Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity). It is used to test the of liquid petroleum products, both transparent and opaque, by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer. The dynamic viscosity, η, can be obtained by multiplying the kinematic viscosity, ν, by the density, ρ, of the liquid. under certain constant temperature. The range of kinematic viscosities covered by this apparatus method is from 0.2 to 300 000 mm2/s at all temperatures

HK-1058 Volumetric Karl Fischer Moisture Titrator is a new generation product. It is designed with new mechanical-electronic technologyand human oriented idea. It is high precise and easy for using. Based on Karl Fischer volume method, it can measure the crystal water, absorbed water, freewater in liquid, solid, or gas samples. It is widely used in petrochemical,pharmaceutical, agricultural, food fields.

This apparatus measures the change in pressure resulting from consumption of oxygen by oxidation and gain in pressure due to formation of volatile oxidation by products. It predicts neither the stability of greases under dynamic service conditions, nor the stability of greases stored in containers for long periods, nor the stability of films of greases on bearings and motor parts. It should not be used to estimate the relative oxidation resistance of different grease types.

HK-8019C Existent Gum Tester for Fuel (Air jet evaporation method) is suitable to the standards of GB/T8019 and ASTM D381 Standard Test Method for Gum Content in Fuels by Jet Evaporation.It is apply to test the existent gum of jet fuel, motor gasoline and other volatile distillates including the products containing alcohol, ethers oxygenated chemicals and sediment inhibit additives.

HK-156 Saybolt Color Tester for Petroleum Products (Saybolt colorimetric method) conforms to ASTM D156 Standard Test Method for Saybolt Color of Petroleum Products (Saybolt Chromometer Method). The apparatus covers the determination of the color of refined oils such as undyed motor and aviation gasoline, jet propulsion fuels, naphthas and kerosine, and, in addition, petroleum waxes and pharmaceutical white oils.

HK-4603 Inherent Viscosity Apparatus for PET Polyester conforms the ASTM D4603 Inherent Viscosity Apparatus for PET Polyester. It is used to test the of liquid petroleum products, both transparent and opaque.It used for the determination of the inherent viscosity of poly (ethylene terephthalate) (PET) soluble at 0.50% concentration in a 60/40 phenol/1,1,2,2-tetrachloroethane solution by means of a glass capillary viscometer. Highly crystalline forms of PET that are not soluble in thsi solvent mixture will require a different procedure.

HK-380 Sulfur Lamp Method Unit conforms to the ASTM D1266 Standard Test Method for Sulfur in Petroleum Products (Lamp Method). This apparatus covers the determination of total sulfur in liquid petroleum products in concentrations from 0.01 to 0.4 mass %. A special sulfate analysis procedure permits the determination of sulfur in concentrations as low as 5 mg/kg.

HKT-008 Standard Heating Pipe Constant Temperature Calibrator adopts the JJG161 Verification Regulation of Standard Mercury-in-Glass Thermometers and JJG 130 Verification Regulation of Liquid-in-Glass Thermometers for working. Appropriate for calibrating and regulating various kinds of thermometers and sensors. Also it can replace oil groove and salt bath as constant temperature bath. The instrument’s measuring scope ranges from 200℃ to 400℃.This instrument passed the technical verification of the People's Liberation Army General Logistics Department, and won the third prize of scientific and technological achievements；liaoning province quality measurement test institute positioned the product as quality guarantee products, and obtained the national patent in 1997

HK-0025 Apparatus for Water, Gum and Asphaltene in Crude Oil conforms to Q/SY LH0025 Water,Gum and Asphaltene in Crude Oil. It is used to test water, gum and asphaltene of thickened oil and high pour point oil

U-tube oscillating density meter, electronic liquid density meter is based on the principle of different oscillating frequency when the double U-tube is filled with different media. After pumping the sample into the resonance tube sensor, the measurement data is processed by the single chip microcomputer, it features fast , direct, and has high sensitivity. It consists of a dual tuning fork density sensor, vibrating tube circuit, temperature measuring circuit, CPU, display, constant temperature bath, liquid inlet pump and control panel.

HK-300R Apparatus for Octane and Cetane Number of Spark-Ignition Engine Fuel conforms to ASTM D2699 Standard Test Method for Research Octane Number of Spark-Ignition Engine Fuel and ASTM D2700 Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel. It covers the quantitative determination of the knock rating of liquid spark-ignition engine fuel in terms of Research O.N., including fuels that contain up to 25% v/v of ethanol and the quantitative determination of the knock rating of liquid spark

HK-1200 Ford Viscosity Cup conforms to ASTM D1200 Standard Test Method for Viscosity by Ford Viscosity Cup. It is used for the determination of package and application viscosities of a number of paints and other coatings and in the thinning of these materials, but is limited to Newtonian or near-Newtonian liquids.

HK-51350-6 Apparatus for Shear Stability of Lubricating Oils Containing Polymers conforms to DIN 51350-6. Testing of lubricants - Testing in the Shell four-ball tester - Part 6: Determination of shear stability of lubricating oils containing polymers. The apparatus is used for the determination of the shear stability in the Shell four-ball tester of lubricating oils containing polymers.

HK-1800H Multifunctional Atomic Absorption Spectrometer has two background correction methods, D lamp background elimination and self-absorption background deduction. It is a high precision analytical instrument integrates flame atomic absorption spectrometry (abbreviated as FAAS), and hydride generation atomic absorption spectrometry (abbreviated as HG-AAS), and graphite furnace atomic absorption spectrometry (abbreviated as GFAAS), and atomic emission spectrometry (abbreviated as AES). An auto- sampler is optional to equip with graphite furnace atomic absorption spectrometry.

In the daily work and production process, some special components are often protected, so it is necessary to regularly monitor the accumulation of wear particles on these components, which is often the analysis of metal elements in oil, based on the composition of metal components And the accumulation rate in the oil can accurately determine the failure cycle of the machine components. In addition, lubricating oil also needs to monitor its foreign contamination components (such as metal elements brought in by dust and dirt). Determining the content of wear metal in the lubricant can accurately understand the operating status and performance of the equipment. The metal contained in the oil shows the severity of the wear of the parts, which is very important for the maintenance of the equipment and the evaluation of the working performance. Monitoring methods for the determination of trace metals in lubricating oils as a component of wear are particularly important.

HK-4870 Apparatus for Total Sediment in Residual Fuels conforms to ASTM D4870 Standard Test Method for Determination of Total Sediment in Residual Fuels. This apparatus is used to test the total sediment up to 0.40% m/m for distillate fuel oils containing residual components and to 0.50% m/m in residual fuel oils having a maximum viscosity of 55 cSt (mm2/s) at 100℃.

HK-titrate Automated Potentiometric Titrator is used for determination of Total Acid Number (TAN), Total Base Number (TBN), Mercaptan Sulfur and chlorine content of petroleum products, lubricants and transformer insulating oils. Titration is the fundamental chemical analysis procedure whereby the concentration of a chemical substance in solution is determined by reacting it with a measured amount of another chemical. The Auto titrator performs this analysis using a motor driven dispenser, stirred reaction vessel and electrodes which sense the completion of reaction by measuring the potential difference between two electrodes. Automatic Titration increases accuracy, repeatability and reproducibility as well as minimizing errors in calculation and documentation.

HK-7536 Apparatus for Chlorine in Aromatics conforms to ASTM D7536 Standard Test Method for Chlorine in Aromatics by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry. This test method provides for the precise measurement of the chlorine content of aromatics with minimal sample preparation and analyst involvement. The typical time for each analysis is five or ten minutes. Knowledge of the chlorine content of aromatics is important for process control as well as the prediction and control of operational problems such as unit corrosion and catalyst poisoning, and in the blending of products to commodity specifications. Various federal, state, and local agencies regulate the chlorine content of some petroleum products, including aromatics. Unbiased and precise determination of chlorine in aromatics is critical to compliance with regulatory standards

HK-7039 Apparatus for Sulfur Content in Petroleum Products by WDXRF conforms to ASTM D7039 Standard Test Method for Sulfur in Gasoline, Diesel Fuel, Jet Fuel, Kerosine, Biodiesel, Biodiesel Blends, and Gasoline-Ethanol Blends by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry. & ASTM D2622 Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry. The sample is placed in the X-ray beam, and the peak intensity of the sulfur Kα line at 0.5373 nm is measured. The background intensity, measured at a recommended wavelength of 0.5190nm (0.5437nm for a Rh target tube) is subtracted from the peak intensity. The resultant net counting rate is then compared to a previously prepared calibration curve or equation to obtain the concentration of sulfur in mg/kg or mass %.

HK-5865 Automatic Calorimeter conforms to ASTM D240 Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter, ASTM D5865 Standard Test Method for Gross Calorific Value of Coal and Coke and ISO 1928 Solid mineral fuels — Determination of gross calorific value by the bomb calorimetric method, and calculation of net calorific value. It is applicable in the industry such as electrical power, coal, papermaking, petrochemical, cement, farming, medical research, and instruction to measure the Calorific Value of combustible materials.

HK-1142 Apparatus for Water Vapor Content of Gaseous Fuels conforms to ASTM D1142 Standard Test Method for Water Vapor Content of Gaseous Fuels by Measurement of Dew-Point Temperature. Generally, contracts governing the pipeline transmission of natural gas contain specifications limiting the maximum concentration of water vapor allowed. Excess water vapor can cause corrosive conditions, degrading pipelines and equipment. It can also condense and freeze or form methane hydrates causing blockages. Water-vapor content also affects the heating value of natural gas, thus influencing the quality of the gas.

Time which passes between the moment when the measurement is started and the moment when the formation of oxidation products rapidly begins to increase

HK-664 TAN/TBN Titrator conforms to ASTM D664 Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration and ASTM D2896 Standard Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration. The apparatus is used in determining total acid and base number in petroleum products by Potentiometric titration.

HK-2440 confroms to ASTM D2440 Standard Test Method for Oxidation Stability of Mineral Insulating Oil. It is used to measure the resistance of mineral transformer oils to oxidation under prescribed accelerated aging conditions. Oxidation stability is measured by the propensity of oils to form sludge and acid products during oxidation. This test method is applicable to new oils, both uninhibited and inhibited, but is not well defined for used or reclaimed oils.

HK-0056 Salt Content of Crude Oil Tester conforms to ASTM D3230 Standard Test Method for Salts in Crude Oil(Electrometric Method), it is suitable for the approximate chloride(salts) concentration in crude oil. The range of concentration covered is 0 to 500mg/kg or 0 to 150lb/1000bbl as chloride concentration/volume of crude oil. HK-0056 is suitable for measuring the salt content to detect the total halide value of which the range is 0.002~0.02%(weight) in the crude oil, reduced oil, cracking oil residue and fuel oil, it is also suitable for estimating the seawater pollution situation of the used team turbine oil and bunker fuel oil.

Brookfield high temperature rotary digital viscometer can be used to measure the dynamic viscosity of hot-melt adhesive, bitumen, paraffin and polyethylene, etc which will be transformed into fluid by high temperature heating. The instrument is collected by the adhesive industrial standard and chosen by clients in related fields because of the advantages of accurate, rapid, direct and easy measuring

HK-DFY-1 Viscometer, also called as starch gelatinization meter, is integrated with a special starch measuring rotor and data process software, the viscosities and gelatinization curves of various starches and modified starches can be rapidly and conveniently measured.

5 inch full color touch screen Brand new user’s interface Enhanced control Real-time trend display English operating interface

Easy and simple to operate：Readable data with out poise Built-in options： Timing measurement Automatic alarming if over range occurs

T series touch screen viscometer is perfectly integrated with the touch screen technology, and the viscosity can be measured with a fashion, modern and high technology rapidly, accurately and directly. Various parameters and working conditions can be completely and directly displayed on the 5 inch ultra-large color touch screen. Various parameters can be measured, displayed and read directly in high accuracy, the instrument can be displayed conveniently, used to replace similar imported products, and it leads the new trend of science and technology of viscometers made in China