... . kWh energy analyser LCD display kWh, 2. Voltage, current, Hz. power, power factor value from RS485 3. Multif-tariff, demand PMAC903 Three Phase Digital Electronic kWh Meter ... , P, Q, S, PF, F PMAC903 Three Phase Digital Electronic kWh Meter Optional Function 1. Multi-tariff2. Reactive energy measuring3. Demand analysis ParameterAccuracyVoltage0.2%Current0 ...