Summary
　The instrument is designed and made as per T***1 Asphalt
Standard Viscosity Test in the Industry Standard of Peoples
Republic of China JTJ*******0 Specifications and Test Methods of
Bitumen and Bituminous Mixtures for Highway Engineering. It is
suitable to determine the viscosity of liquid petroleum asphalt,
coal pitch and emulsified asphalt at flowing
state.
Main technical specifications and parameters
　1. Power supply: AC **0 V±*0%, *0 Hz
　2. Circular trough:
(1) Inner diameter: **0
mm
(2) Depth: **6 mm
　3. Sample tube: four pieces in a set. The diameter of effuse
tube is: φ*0 mm±0.**5 mm, φ5 mm±0.**5 mm, φ4 mm±0.**5 mm and φ3
mm±0.**5 mm.
　4. Ball stopper specification:
A: Diameter of ball: *2.7 mm±0.*5 mm; Sign
height: *2 mm±0.*5 mm.
　 B: Diameter of ball: 6.*5 mm±0.*5 mm; Sign height:
*0.3 mm±0.*5 mm.
　5. Temperature controlling range: room temperature～*0
℃.
　6. Temperature controlling accuracy: ±0.1 ℃
　7. Time resolution: 0.1 s, maximum time value: **9.9
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 **0 W.
　9. Ambient temperature: **0℃～*5 ℃
　*0. Relative humidity: ≤ *5%
　*1. Dimension: length **0 mm, width **0 mm, height **0
mm
　*2. Total power consumption: not more than **0 W
