At a constant temperature, the time during which a volume of liquid flows under gravity through a calibrated glass capillary viscometer is measured. The capillary constant of the viscometer is the product of the flow time, which is the kinematic viscosity of the liquid at that temperature.
The Kinematic Viscosity Index Tester is applicable to the GB265 petroleum product kinematic viscosity measurement method, ASTM D445 and other standards, and is widely used in electric oil, electric power, chemical, railway, scientific research and other industries.


Double Viscometer Bath is a temperature-controlled bath that maintains the temperature of viscometer tubes, which are used to measure the viscosity of liquid petroleum products. The instrument consists of an oil-filled temperature-controlled bath.


Display mode 10 inch color LCD display
Temperature control range arbitrarily set from room temperature to

100 °C

Temperature control accuracy ±0.01°C
Timing accuracy ±0.1S
Timing range 0.1 seconds – 999.9 seconds
Thermostatic bathtub 250*250mm double layer
Printer Low-power thermal printer, paper width 56mm
Temperature measuring component Imported precision platinum resistance
Stirring speed 1520 rpm
Maximum power 1800W
Operating environment Ambient temperature 15-35 °C Ambient humidity less than 85%
Power requirements AC220V ± 10% 50Hz
Maximum size 560*370*520 (length * width * height)
Instrument weight 20Kg



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