Extech 382100 1200A 3-Phase Power Analyzer/Datalogger Datalogging power analyzer (up to 30,000 sets of measurements) Single phase, 3-phase/3-wire or 3-phase/4-wire systems Large backlighting LCD displays 35 parameters simultaneously (MW, kVAR, MVA, PF plus the voltage and current of the 3 phases) Displays active power (kW), apparent power (kVA), reactive power (kVAR) and power factor Current measurements to 1200A and voltage measurements to 600V