... .5Frequency40~60Hz, accuracy 0.1HzFunctionActive power, reactive power, Sparent power,Accuracy: 0.5 classElectric energyFour quadrant ... measurement, active poweraccuracy rate0.5 class, reactive power accuracy rate1 classDisplayProgrammable, switching, circular two, ... withstandInput and power>2kV, input andoutput>2kV, power and output>1kVInsulationInput, output, power supply to machine hull > ...