English 
Feature of DFPM91 Single Phase AC EV Charging
- Applied to 110V, 120V, 220V, 230V, 240V AC low voltage system
- Measure U, I, P, Q, S, PF, kWh, kvarh, LCD display U, I, P, kWh
- 6+1 digits LCD display (999999.9 kWh)
- LED indicates pulse output
- Password protection
- One key for up/down page, one key for programming
- Small size:100*36*65mm
- RS485 port，MODBUS-RTU or DL/T645 protocol (selectable)
- 35mm DIN rail installation, standard DIN ED5002
- Standard: IEC62053-21
Feature of DFPM93 Three Phase AC EV Charging
- Applied to 110V, 120V, 220V, 230V, 240V AC low voltage system
- 7+1 digits LCD display (9999999.9 kWh)
- Measure U, I, P, Q, S, PF, F, kWh, kvarh, Multi-tariff energy value
- Record freeze energy for per 15 min/day
- kWh accuracy: 5(6)A Class0.5S, 5(63)A Class1.0
- Support over-voltage timing, under-voltage timing, over-load timing function
- 2 LED indicates pulse (settable for kWh or kvarh)
- LCD display prompt for phase sequence error
- 3 keys for programming 35mm DIN rail installation, standard DIN ED5002
- One RS485 port, MODBUS or DL/T645 protocol (selectable)
- Standard: IEC62053-21/23
- Record historical energy for latest 31 days, latest 12 months
Feature of DFPM902 DC EV Charging
- Applied to DC power supply, EV charging station
- Measure bidirectional electric energy, Class 0.5 high accuracy
- Real-time measure current, voltage, power, etc.
- Multi-tariff Metering (sharp, peak, flat, valley)
- 35mm DIN Rail installation
- Daily & Monthly electric energy freezing (the latest 31 days & 12 months)
- Multi communication protocols (Modbus-RTU, DL/T 645-2007, DL/T 698.45-201X)
- Lead sealing to prevent electricity-stealing
- DFPM902 has 2 RS485 ports, DFPM902-A has 1 RS485 port-
