... LCD display kWh, 2. Voltage, current, Hz. power, power factor value from RS485 3. Multif-tariff, demand PMAC903 Universal Power Monitor ... Features:1. Suit for 220V AC low voltage system2. 6 +1 digits LCD display (999999.9 kWh ... materials9. Spring type buckle, easy to install PMAC903 Universal Power Monitor Basic Function 1. Measure and display kWh value2. One ...