| K38500 Apparent Viscosity of Engine Oils |
| Test Method Determines the measurement of the Yield Stress, Apparent Viscosity and Borderline Pumping Temperature (BPT) of engine oils. Borderline pumping temperature is a measure of the lowest temperature at which an engine oil can be continuously and adequately supplied to the oil pump inlet of an automotive engine. Provides a correlation between the temperature at which the viscosity of engine oils reaches a critical value and the borderline pumping failure temperature in engines at the test method specified shear stress. |  Click on the image to view a larger photo of the instrument. |
| K38500 Mini-Rotary Viscometer • Testing capacity of up to 10 samples. • Microprocessor temperature controllers store all testing profiles in memory. • Unique design is fully self-contained - no external refrigeration or heating apparatus needed. • Advanced direct refrigeration technology eliminates the need for liquid cooling mediums such as methanol. • Removable test cells allow for easy cleaning, sample agitation and advance sample preparation. • New rotor design eliminates possible interference with water and ice. • Internal hermetic refrigeration system provides direct instant cooling. • Power-saver feature allows testing profile to resume in the event of a brief power interruption. • Internal gas system provides a continuous blanket of dry gas over samples to eliminate moisture buildup. • Rotor stator rack supplied for convenient cleaning, drying, and storage. • Safety features include high pressure cutout and high temperature limits. • Rotor stator sets included with instrument. Additional sets readily available. • Optional Software Package available SpecificationsConforms to the specifications of: ASTM D4684; SAE J300; ILSAC GF3-GF4 In accordance with the specifications of: ASTM D3829, D6821*, D6896 * With available Drive Line equipment sold separately Cabinet Material: Stainless steel and durable thermoplastic Temperature Range: +80°C to -40°C (176°F to -40°F) Bath Design: Solid, direct cooling without liquids Cooling Rate: Single Unit: 5.0°C per minute maximum Refrigerant: R-507 Compressor Size: 1/3 Horsepower Electrical Requirements: 115V 50/60Hz, 15A 220V 50/60Hz, 7A Temperature Control: +/- 0.1°C, digital readout Heating Capacity: 600 Watts Testing Capacity: 10 samples Included AccessoriesRemovable Rotor/Stator Sets (10) Rotor/Stator Holding Rack Stator Removal Tool Moisture Cover Set of Weights & Strings Air Filter Dryer and Desiccant Dimensions lxwxh,in.(cm) 15.5x12.5x13.5 (39x32x34) Net Weight: 105 lbs (47.6 kg) Shipping InformationShipping Weight: 143 lbs (64.86 kg) Dimensions: 23 x 19 x 27 in (58.4 x 48.3 x 68.6 cm) |
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