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Rapid Small Scale Oxidation Stability Tester RSSOT
A 5 mL sample is introduced into a pressure vessel which is then charged with oxygen to 500 kPa at a temperature of 15 to 25°C. The test is initiated by starting the heater and heating the pressure vessel to a temperature of 140°C. The pressure is recorded continuously until the breakpoint is reached. Alternatively, the test may be terminated when a predetermined minimum requirement is reached
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ASTM D525 Automatic Gasoline Oxidation Stability Tester
The induction period may be used as an indication of the tendency of motor gasoline to form gum in storage. It should be recognized, however, that its correlation with the formation of gum in storage may vary markedly under different storage conditions and with different gasolines
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ASTM D943 Apparatus for Oxidation Characteristics of Inhibited Mineral Oils
KN-943 Apparatus for Oxidation Characteristics of Inhibited Mineral Oils conforms to ASTM D943 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°C. The test continues until the measured acid number of the oil is 2.0 mg KOH/g or above. The number of test hours required for the oil to reach 2.0 mg KOH/g is the “oxidation lifetime.”
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ASTM D2440 Mineral Insulating Oil Oxidation Stability Test
The oxidation stability test of mineral transformer oils is a method for assessing the amount of sludge and acid products formed in a transformer oil when the oil is tested under prescribed conditions. Good oxidation stability is necessary in order to maximize the service life of the oil by minimizing the formation of sludge and acid.
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Fully Automatic Pour and Cloud Point Tester
KN-9725 Automatic Pour and Cloud Point Tester developed for classic determination of cloud point (CP) and pour point (PP) of petroleum products according to ASTM D97, ASTM 2500, EN 23015, ISO 3015, ISO 3016, IP 15,. KN-9725 determines CP and PP in one test cycle with high precision in compare with manual methods. Unique integrated cooling system provides cooling of samples up to -80°С in a short time without any external chiller.
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ASTM D6371 CFPP Suction Device
KN-6371A CFPP Suction Device conforms to national standard ASTM D6371 Standard Test Method for Cold Filter Plugging Point of Diesel and Heating Fuels. It adopts modern advanced technology, mechanical, optical, electronic and computer technology, and can be done automatically test the cold filter plugging point of petroleum products, automatic cold filter plugging point analyzer using optical detection technology, imported compressor refrigeration system ensure the required refrigeration depth. Automatic cold filter plugging point tester reasonable structure, stable performance, simple operation, is the ideal detection equipment.
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ASTM D1177 Automatic Freezing Point Of Aqueous Engine Coolants
This tester involves the determination of the time-temperature curve prior to freezing and the determination of the horizontal or flattened portion of the freezing curve. The freezing point is taken as the intersection of projections of the cooling curve and the freezing curve. If the solution supercools, the freezing point is the maximum temperature reached after super cooling
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ASTM D7153 Automatic Rapid Freezing Point Tester
KN-7153 Automatic Rapid Freezing Point Tester conforms to ASTM D7153 Standard Test Method for Freezing Point of Aviation Fuels (Automatic Laser Method). The freezing point of an aviation fuel is the lowest temperature at which the fuel remains free of solid hydrocarbon crystal which, if present in the fuel system of the aircraft, can restrict the flow of fuel through filters. The temperature of the fuel in the aircraft tank normally decreases during flight depending on aircraft speed, altitude, and flight duration. The freezing point of the fuel shall always be lower than the minimum operational fuel temperature.
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