The instrument is designed and made as per the National Standard of People’s Republic of China GB/T1841 “Test Methods for Viscosity of Polyolefin Resin Solution”. It is used to determine the viscosity of decahydronaphthalene solution at the stipulated temperature. The instrument also can be used to determine the viscosity of asphalt at the stipulated temperature as per the Industry Standard of People’s Republic of China T0619 “Asphalt Kinematic Viscosity Test (Capillary Methods)”.

II. Main technical specification and parameters

1. Power supply: AC 220 V±10%, 50 Hz;

2. Heating power: Two grades; 1000 W (Auxiliary heating) + 600 W (Temperature controlling);

3. Temperature range: room temperature～180.0℃;

4. Temperature controlling accuracy: ±0.1℃;

5. Mercury thermometer: Rod type; Each division is 0.1 ℃; Temperature range is 100~150℃ or 150~200℃;

6. Bath cubage: not less than 23 L;

7. Sample quantity: You can make determination using 3 capillary tubes at the same time.

8. Stirring motor: its power is 6 W and its speed is 1200 r/min;

9. Ambient temperature: -10℃～+35℃;

10. Relative humidity: ＜85％;

11. Temperature controller: Platinum resistance; Pt100;

12. Total power consumption: not more than 1800 W;

13. Capillary viscometer: There are 7 Cannon-Fenske Reverse Flow type capillary tubes in total. They are N0.200, 300, 350, 450, 500 and 600 (The inner diameters of R tube of them are 1.02, 1.26, 1.48, 1.88, 2.20, 3.10 and 4.00 mm respectively).