1. LCD,measuring volt,amp,watt,var,va,Hz, cosf,kwh,kvarh ... with PTs, PT ratio programmable ØNew appearance and design Large LCD display and button, replace AI capacitor by Tam capacitor Ø ... case of error phase sequence input, PMAC770 will display on LCD ØReal-time measurement True-RMS measuring parameters includes: U, ... %THD1.0%Harmonic1.0%Unbalance rate1.0% PMAC770 panel mounted power meter data log