Multifunction TRMS meter with 61 parameters in a 3ph network V, I, F, In, KW, KVAr, KVA, Phase Angle, PF, %THD, demand & max demand (I, kVA, Imp&Exp kW) run hr, on hr, interrupt, KVAh, Imp & Exp KWh, KVArh Optional modbus, relay & analog o/p Giá: Liên hệ