The instrument is used to determine the dynamic viscosity of dense petroleum asphalt by vacuum decompression capillary viscometer; be suitable for testing petroleum asphalt under 60 ℃ by vacuum capillary viscometer, also suitable for testing other which viscosity is between 0.0036-20.000 Pa.s, as per T0620-2000 <Standard Test for Dynamic Viscosity of Asphalt (Vacuum Decompression Capillary Method)> and SH0557-93 < Standard Test Method for Viscosity of Petroleum Asphalt (Vacuum Capillary Method) >.

Technical index:

1.      Power Supply: AC220 V±10% 50 Hz; Ambient Temperature: 5-50 ℃; Relative Humidity: ≤ 85%.

2.      Temperature Control Range: 10-100 ℃.     

3.      Temperature Control Accuracy: ±0.01 ℃.

4.      Range of Pressure: 300±0.5 mmHg.

5.      Timing Range: 0.0-999.9 s.

6.      Timing Accuracy: ≤0.05%.      

7.      Testing Range: 4.2-580000 Pa.s.

8.      Sample No.: 4 nos.