This instrument is in accordance with the industry standards of the People's Republic of China JTG E20-2011《 In the test procedures for asphalt and asphalt mixtures for highway engineering T0622-1993《 Asphalt Engra viscosity test (Engra viscometer method)", standard of the People's Republic of China GB/T 266《 Petroleum products Enthusia viscosity determination method" and Shanghai enterprise standards Q/YXYY11《WNE-1A The requirements specified in the Engra Viscometer are manufactured in accordance with the requirements specified in the Engra Viscometer, which is suitable for measuring the time (seconds) of the flow out of the Engra Viscometer under certain temperature and volume conditions, and the distilled water is 25. ℃The ratio of the time (seconds) of the time outflow is the Engra viscosity of asphalt or other petroleum products, and the unit is Engrand.
  Note: It is specially used for asphalt testing. The temperature of distilled water, the volume of the receiving bottle, etc. during testing of other petroleum products are slightly different.

1. Main technical characteristics
1、The instrument consists of a tester and a temperature controller, with a bench-type structure. The inner and outer pots are all made of stainless materials. The interior of the inner pot has been specially treated, and its finish meets the test requirements.
2、The temperature controller adopts P、I、D Digital temperature controller with position adjustment function has convenient parameter setting and high temperature control accuracy.  

2. Main technical parameters and indicators
1、Standard water value:             (51±1)Second [Standard water temperature (20±0.1)℃、200ml When water is converted to (25±0.1)℃、50ml Water ]；
2、Temperature measurement:             (0～100)℃；
3、Temperature control accuracy:             ±0.1℃；
4、Thermometer: Compatible T 0622 Standard requirements；
5、Measuring bottle specifications: 100 ml；
6、Inner pot: The material is stainless steel；
7、Electric heater power: 550 W；
8、Electronic stopwatch accuracy: 1 /100Seconds (user's own).
9、Dimensions: 200 ㎜×200㎜×400㎜（long ×Width ×High, no temperature controller).

3. Optional accessories (for press GB/T266 Standard En's viscosity test)
1、Accept bottles (200 ml）                    2 Only
2、En's Thermometer 0 ～60℃、Grading 0.5 ℃      1branch
3、En's Thermometer 50 ～110℃、Grading 0.5 ℃    1branch