Ⅰ. Introduction

GD-0620A Asphalt/Bitumen Dynamic Viscosity Tester is designed and made as per T0620 Asphalt Dynamic Viscosity Test (Vacuum Decompression Capillary Methods) in the Industry Standard JTJ052 Specification and Test Methods of Bitumen and Bituminous Mixture for Highway Engineering, and Petrochemical Standard SH/0557 Test Methods for Viscosity of Petroleum Asphalt (Vacuum Capillary Methods).

This dynamic viscosity tester for asphalt and bitumen is suitable to determine dynamic viscosity of petroleum asphalt using a vacuum decompression capillary viscometer. If there is no otherwise stated, the testing temperature is 60 °C, and its vacuum degree is 300 mmHg.

The asphalt dynamic viscosity tester is also suitable to determine other materials, the viscosity of which is at 0.0036~20.000Pa.s at 60 °C, and 300 mmHg (40 kPa).

Ⅱ. Working condition

1. Power supply: AC 220V±10%, 50 Hz;

2. Ambient temperature: 5~50°C;

3. Relative humidity: ≤85%;

Ⅲ. Technical parameters:

(I) Technical parameter

1. Temperature controlling range: 0.00~100.00 °C;

2. Temperature controlling accuracy: ±0.01°C;

3. Pressure range: 300±0.5mmHg;

4. Timing range: 0.0s~999.9 s;

5. Timing accuracy: ≤0.05%;

6. Measurement range: about 4.2~580000Pa.s;

7. Sample quantity: 4 pieces;

(II) Main characteristics

1. It can save and print test data and measurement time.

2. It can control testing temperature and vacuum degree.

3. It has function of timing.

4. It can make determination and display test data automatically.