... . CE, ISO Toky DW9L series 3 phase multi-function power meter:1) To measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency (Hz), Kwh ... .S.Energy Accuracy for Active Power and Reactive Power : 1%F.S.DisplayLCD displayPower supply rangeAC/DC 100--240V (85--265V)Power supply consumption≤7VA