3-phase Digital Network Panel Meter LED display voltage, current, power, frequency, power factor ... Ø10 years back-up of integrated energy data ØLED display, high brightness, auto-scrolling ØCT primary is ... IEC62053-21, CE Basic Function PMAC625 measures and display one or more parameters listed below: ØVoltage—Ua ... var9,999 kW/ kvarPower factor0.5%0.001-1.000~+1.000Frequency0.010.01Hz35-65HzActive energy1 ...