Summary
The instrument is designed and made as per T0621 Asphalt Standard Viscosity Test in the Industry Standard of People’s Republic of China JTG E20-2011 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
1.The instrument adopts semiconductor refrigeration technology to meet the requirements of the test temperature environment.
2. High precision temperature controller , accuracy ：0.1 ℃.
3.It is easy to operate and high in accuracy.
Main Parameters
Power supply：AC（220±10%）V, 50Hz
Total power consumption： ≤800W
Circular trough： Inner diameter：160 mm, Depth：116 mm
Sample tube： four pieces in a set. The diameter of effuse tube is: φ10 mm±0.025 mm, φ5 mm±0.025 mm, φ4 mm±0.025 mm and φ3 mm±0.025 mm.
5. 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.
6. Temperature controlling range： 20～90 ℃.
7. Temperature controlling accuracy： ±0.1 ℃
8. Time resolution： 0.1 s, maximum time value: 999.9 s
8. Heating type：electric heater. Heating power is 750W.
10. Ambient temperature： 15℃～35 ℃
Relative humidity：≤ 85%
Dimension：400mm×440mm×570mm
Net weight：23kg.
