... sequence input, PMAC770 will display on LCD ØReal-time measurement True-RMS measuring parameters includes: U, I, P, Q, S, PF, F ... window programmable: 1/ 2/ 3 mins ØMulti-tariff billing, historical data of 31 days and 12 months 2 kinds of setting ... %Harmonic1.0%Unbalance rate1.0% PMAC770 panel mounted power meter data log