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 Meter ØSuit ... display on LCD ØReal-time measurement True-RMS measuring parameters includes: U, I, P, Q, S, PF, F, kWh, kvarh, demand, max./min. value, ØDemand calculation mode is programmable 2 kinds ...