... Universal Digital Panel Meter LED display volt, current, power, frequency, power factor, kWh, DI/ DO RS485, Modbus PMAC600B 3-phase Digital Panel Meter ØSuit ... Qb, Qc, ∑QØPower factor—PFa, PFb, PFc, ∑PFØFrequency--FØActive energy—kWhØReactive energy-- kvarh Optional FunctionØTwo ... real value.Frequency4 digits, display real value, Unit: Hz.Active EnergyMaximum 9 digits, display real value in 3 lines ...