Asphalt Standard Viscometer

I. Main technical features
Designed and developed standard :  
As per T0621 Asphalt Standard Viscosity Test in the Industry Standard of People’s Republic of China JTG E20-2011 Standard Test Methods for Bitumen and Bituminous Mixtures for Highway Engineering.
Use Range: determine the viscosity of liquid petroleum asphalt, coal pitch and emulsified asphalt at flowing state.
 
II. Main technical specifications
1. Power supply: AC 220 V±10%, 50 Hz
2. Circular trough:    (1) Inner diameter: 160 mm   (2) Depth: 116 mm
3. Sample tube: four pieces in a set.
The diameter of effuse tube is: Ф10 mm±0.025 mm, Ф5 mm±0.025 mm, Ф4 mm±0.025 mm and Ф3 mm±0.025 mm.
4. Ball stopper specification:
A: Diameter of ball: 12.7 mm±0.05 mm; Sign height: 92 mm±0.25 mm.
B: Diameter of ball: 6.35 mm±0.05 mm; Sign height: 90.3 mm±0.25 mm.
5. Temperature controlling range: room temperature～90 ℃.
6. Temperature controlling accuracy: ±0.1 ℃
7. Time resolution: 0.1 s, maximum time value: 999.9 s
8. Heating type: electric heater. Use a circulation pump circulating water bath liquid to control the temperature in the circular trough. Heating power is 600 W.

III. Optional accessories