... the kilowatt hour pulse output. Widely applies in domains and so on electric power, coal, machinery, metallurgy ... .2%Frequency40~60Hz, accuracy 0.2%FunctionActive power, Reactive power, Apparent power, Accuracy: 0.5% classElectric energyFour quadrant ... consumption≤5VAOutputDigital interfaceRS-485,MODBUS-RTUPulse outputTwo power pulse output, photo-couple relayEnvironmentWorking environment-10~55ºCStore ...