1. LCD,measuring volt,amp,watt,var,va,Hz, cosf,kwh ... PTs, PT ratio programmable ØNew appearance and design Large LCD display and button, replace AI capacitor by Tam capacitor ... case of error phase sequence input, PMAC770 will display on LCD ØReal-time measurement True-RMS measuring parameters includes: U ... : 1/ 2/ 3 mins ØMulti-tariff billing, historical data of 31 days and 12 months 2 kinds of setting ...