... CLASS 0.2Frequency40~60Hz, accuracy 0.2HzFunctionActive power, Reactive power, Apparent power, Accuracy: 0.5 classElectric energyFour quadrant ... measurement, active poweraccuracy rate0.5 class, reactive power accuracy rate0.5 classDisplayProgrammable, switching, circular two, ... consumption≤5VADigital interfaceRS-485,MODBUS-RTUPulse inputTwo power pulse output, photo-couple relayWorking environment-10 ...