... , power factor value from RS485 3. Multif-tariff, demand Digital Energy Monitorhigh temperature resistant materialszero complaints, zero returnFeatures:1. Suit for ... , Q, S, PF, FOptional Function 1. Multi-tariff2. Reactive energy measuring3. Demand analysis ParameterAccuracyVoltage0.2%Current0.2%Active power0.5 ... factor0.5%Frequency0.01Active energy0.5%Reactive energy2.0% Three Phase KWH Energy Meter