... meter,panel meter,energy meter,ampere meter,volt meter,freqency meter,power meter,power factor meter,hour meter, m digital panel meter,panel meter,energy meter,ampere meter,volt meter,freqency meter,power meter,power factor meter ... AC 220V +-10% 50/60Hz 4. Input signal: AC current 5. Measuring range: 0-600V ... 6. Consumption: <3.2VA 7. Max. Signal consumption: <0.3VA 8. Operating environment: ...