... , ISO Toky DW9L series 3 phase multi-function power meter:1) To measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency (Hz), ... 96mm10. Password protect Multifunction Power Meter Basic Function:Provide one RS485 communication, measures and display real-time parameters:1 ... 0.5%F.S.Energy Accuracy for Active Power and Reactive Power : 1%F.S.DisplayLCD displayPower supply rangeAC ...