1. Power supply: AC 220 V±10%, 50 Hz;
2. Standard water value: 51±1 s;
3. Temperature measurement range: 0ºC~100 ºC;
4. Temperature controlling accuracy: ±0.1 ºC;
5. Engler viscometer thermometer: as per standard GB/T514;
6. Measuring flask specification: 100±0.2 ml (asphalt sample is 50±0.2 ml);
7. Inner container: stainless steel;
8. Time measurement range: the maximum is 999 s;
9. Timing mode: LED timer;
10. Heating power: 700 W;
11. Ambient temperature: -10ºC~+40 ºC;
12. Relative humidity: ≤85%;
13. Total power consumption: not more than 800 W;