... panel 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,hour meter ... ) 2. Accuracy: 0.5% +- 1 digit 3. Auxiliary power: AC 110V +- 10% 50/60Hz ... the AC current transformer 6. Consumption: <3.2VA 7. Max. Signal consumption: <0 ...