The instrument is designed and made as per the industrial standard of People’s Republic of China SY/T5651 Technical Condition for Kinematic Viscosity of Petroleum Products. It is suitable to determine the kinematic viscosity of liquid petroleum products (Newton liquids) under a constant temperature (low temperature) as per the national standard of People’s Republic of China GB/T265 Petroleum products-Determination of kinematic viscosity of and calculation of dynamic viscosity.

I. Main technical features

1. This instrument is a kind of specially made instrument suitable to test the low temperature kinematic viscosity of petroleum oils. It adopts advanced technology of compressor refrigeration. The minimum temperature can reach -70℃.

2. It is equipped with lighting device for operator observing the indication more clearly.

3. It can do determination for two samples at a time. The work efficiency is high.

4. It adopts a floor type of all-in-one machine. Easy to move.

5. It is equipped with electric stirrer to make the temperature in bath uniform.

II. Main technical specifications

1. Power supply: AC 220V±10%, 50 Hz

2. Heating device: Electric heater, 600 W

3. Refrigeration equipment:  Double refrigeration compressors

4. Stirring motor: 6 W, 1200 RPM

5. Temperature range: Room temperature～-70 ℃

6. Temperature control accuracy: ±0.1 ℃

7. Constant temperature bath:  5.8 L, stainless steel.

8. Ambient temperature: ≤30 ℃

9. Relative humidity: ≤85%

10. Temperature sensor: Pt100.

11. Illumination: 220 V electricity-saving lamp.

12. Capillary viscometer tubes(Pinkevitch viscometer): 7 pieces in total. The diameters for each is 0.6, 0.8, 1.0, 1.2, 1.5, 2.0, 2.5 mm.

13. Maximum power consumption: 1700 W

14. Dimension: 530mm×460mm×870mm