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KN-381 Existent Gum Content Tester (Steam Method)
KN-381 Existent Gum Content Tester (Steam Method) conforms to ASTM D381 Standard Test Method for Gum Content by Jet Evaporation. When testing either aviation or motor gasoline, a 50±0.5ml quantity of fuel is evaporated under controlled conditions of temperature and flow of air. When testing aviation turbine fuel, a 50±0.5ml quantity of fuel is evaporated under controlled conditions of temperature an flow of steam. For aviation gasoline and aviation turbine fuel, the resulting residue is weighedRead
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KN-381A Existent Gum Content Tester
KN-381A Existent Gum Content Tester (Air Method) conforms to ASTM D381 Standard Test Method for Gum Content by Jet Evaporation. When testing motor gasoline, a 50±0.5ml quantity of fuel is evaporated under controlled conditions of temperature and flow of air. For aviation gasoline and aviation turbine fuel, the resulting residue is weighedRead
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KN-SY Circulating Water Bath
KN-SY Circulating Water Bath can be widely used in drying, concentration, distillation, impregnated chemical reagents, impregnated drugs and biological products, and can also be used for constant temperature heating in water baths and other temperature tests, and is an essential tool for biology, genetics, viruses, aquatic products, environmental protection, medicine, health, biochemical laboratories, analysis rooms, education and scientific research.Read
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KN-7143 Ultimate Strength and Thermostrengthening Tester
KN-7143 Ultimate Strength and Thermostrengthening Tester conforms to GOST 1743 Greases. Method for Determination of Ultimate Strength and Thermostrengthening. It is mainly used to measure the pressure of the grease when it is displaced in the threaded pipe of the plasticizer at the test temperature, and convert it into a strength limit value, which is expressed as Pa. The appearance design of the grease strength limit tester is beautiful and generous, the structure design is reasonable, the operRead
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KN-2570 Simulated Service Corrosion Tester
KN-2570 Simulated Service Corrosion Tester conforms to ASTM D2570 Standard Test Method for Simulated Service Corrosion Testing of Engine Coolants. An engine coolant is circulated for 1064h at 88℃ (190℉) in a flow loop consisting of a metal reservoir, an automotive coolant pump, an automotive radiator, and the connecting rubber hoses. Test specimens representative of engine cooling system metals are mounted inside the reservoir, which simulates an engine cylinder block. At the end of the test perRead
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KN-7843 Membrane Patch Colorimetry
KN-7843 Membrane Patch Colorimetry conforms to ASTM D7843 Standard Test Method for Measurement of Lubricant Generated Insoluble Color Bodies in In-Service Turbine Oils using Membrane Patch Colorimetry. Insoluble deposits are extracted from an in-service turbine oil sample using a 47mm, 0.45μm membrane nitrocellulose patch. The color of the patch is then analyzed using a spectrophotometer and the results are reported as a △E value in the CIELAB scale.Read
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KN-6560 Apparatus for Paraffin, Resins and Asphaltenes Contents in Crude Oil
KN-6560 Apparatus for Paraffin, Resins and Asphaltenes Contents in Crude Oil in Crude Petroleum and Petroleum Products conforms to ASTM D6560 Standard Test Method for Determination of Asphaltenes (Heptane Insolubles) in Crude Petroleum and Petroleum Products and SY/T 7550 Determination of Paraffin, Resins and Asphaltenes Contents in Crude Oil. Asphaltenes are the organic molecules of highest molecular mass and carbon-hydrogen ratio normally occurring in crude petroleum and petroleum products conRead
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KN-4059 GC for PCBs in Insulating Liquids
KN-4059 GC for PCBs in Insulating Liquids conforms to ASTM D4059 Standard Test Method for Analysis of Polychlorinated Biphenyls in Insulating Liquids by Gas Chromatography. This test method describes a quantitative determination of the concentration of polychlorinated biphenyls (PCBs) in electrical insulating liquids by gas chromatography. It also applies to the determination of PCB present in mixtures known as askarels, used as electrical insulating liquids.Read
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KN-659 Autoignition Temperature Tester
KN-659 Autoignition Temperature Tester conforms to ASTM E659 Standard Test Method for Autoignition Temperature of Chemicals. A small, metered sample of the product to be tested is inserted into a uniformly heated 500ml glass flask containing air at a predetermined temperature. The contents of the flask are observe in a dark room for 10min following insertion of the sample, or until autoignition occurs. Autoignition is evidenced by the sudden appearance of a flame inside the flask and by a sharp Read
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KN-1287 PH Meter
KN-1287 PH Meter conforms to ASTM D1287 Standard Test Method for pH of Engine Coolants and Antirusts and ASTM D1121 Standard Test Method for Reserve Alkalinity of Engine Coolants and Antirusts. pH is a measure of the hydrogen ion concentration and indicates whether an engine coolant, or a solution of these compounds is acidic, alkaline, or neutral. The pH range includes values from 0 to 14. Values from 0 to 7 represent the acidic half of the scale. Values from 7 to 14 represent the alkaline or bRead
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