... meter Measure all the electric quantity such as U, I, P, Q, PF, F Two energy pulse outputs ... RS-485 communicationHarmonic MeterFunctionsFunctionPD194Z-9HYReal Time MeasurementU√I√P,Q,PF√F√Energy MeasurementActive Energy√Reactive Energy√ ... Pulse Output2Digital Input4Relay Output3Analogue Output1Communication Interface1Technical parameters ParameterMeasurement AccuracyU,I,P,Q,PF:0.5%; EP:0.5S,EQ ...