... of error phase sequence input, PMAC770 will display on LCD ØReal-time measurement True-RMS measuring parameters includes: U, I, P, Q ... of tariff rate, each list can setup 8 periods of time in 24 hours, 4 tariff rates. ØPower quality analysisHarmonic ... limit and persists over the specified time, PMAC770 will record the event, and trip relay output signal. ØHigh accuracy Active energy: according ...