... 0.2Frequency40~60Hz, accuracy 0.2HzFunctionActive power, Reactive power, Apparent power, Accuracy: 0.5% classElectric ... power pulse output, photo-couple relayWorking environment-10~55ºCStore environment-20~75ºCVoltage withstandInput and power>2kV, input andoutput>2kV, power and ... output>1kVInsulationInput, output, power supply to ...