Single Phase Kwh Meter 1. 8 digit Kwh Meter 2. single phase voltage meter 3. power fail memory, RS485 Kwh meter DU80E single phase Kwh display meter8 digit Kwh display. Add up ... —450V, Current: AC 0.015A—5AAvailable for Voltage, Current, Power Factor, Active Power, Reactive Power, Power Factor, Kwh, Hz, etc4-20mA current output, with ...