1. LCD,measuring volt,amp,watt,var,va,Hz, cosf,kwh,kvarh ... , harmonics,demand 2. RS485/Modbus, Profibus, Bacnet function 3. 8MB PMAC770 Multifunction Power ... 5/ 10/ 15/ 30/ 60mins Slip window programmable: 1/ 2/ 3 mins ØMulti-tariff billing, historical data ... of time in 24 hours, 4 tariff rates. ØPower quality analysisHarmonic analysis, crest and K factor, unbalance etc ...