... DW9L series 3 phase multi-function power meter:1) To measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency (Hz), Kwh, ... effective value measuring;6) Two alarm output for Voltage, Current, Power Factor, Active Power, Reactive Power;7) Transformed ... DW9L-RC38B2NORS485DW9L-DC30B24-20mANO DW9L-DC38B24-20mARS485Multifunction Power Meter Features:1. Suit for LV/ HV voltage system2. ...