1. Wiring terminal: L+N
2. Measuring voltage range: AC 80-500V
3. Measuring accuracy: 1 percent
4. Measurement rate: 200MS/time
5. Protection level: IP20
6. Electrical life: more than 15000 hours
7. Operating temperature: -5 to 40 degrees celsius
8. Storage temperature: -25-70 degrees celsius
9. Air relative humidity: 1-80 percent
10. Working pressure: 80-160Kpa
11. Installation: guide rail (18mm)
12. Function: measure single-phase AC voltage and display it through digital tube
13. Size: 81 x 66 x 18mm