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 to max 1000000Kwh0.5 ... Voltage, Current, Power Factor, Active Power, Reactive Power, Power Factor, Kwh, Hz, etc4-20mA current output, with 2 realy alarm functionModbus ...