- Class 0.5 bi-directional energy and full power parameters measurement.
- Block or Rolling power demand measurement.
- THD, indivisual harmonics, and sag/swell power quality records.
- Data logging for alarm, sag, swell events with time-stamped.
- Report generation for daily and monthly power usage including kWh, Demand, peak THD, peak voltage, max/min kW
- Communication interfaces：Ethernet, RS485
- Communication protocol: Modbus over TCP/IP for Ethernet, Modbus or DNP 3.0 for RS485.
- Up to 4 channels of re-transmission analog outputs for field integration.
- 12 digital inputs for power system status monitoring.
- 2 digital relays for kWh pulse or alarm outputs.
- Automatic detection of voltage & current wiring
- Multi-language support

Power parameters measure

Current：3 phase, neutral, accuracy 0.1% Voltage：3 phase phase-phase, phase-neutral, accuracy 0.1% Frequency：47/63 Hz Total power：Active, reactive, apparent power, accuracy 0.5% Power per phase：Active, reactive, apparent power, accuracy 0.5% Power factor(True and Fundamental )：Total, per phase.

Energy measure

Energy：Active, reactive, apparent energy, accuracy 0.5% Bi-directional energy：Deliver and receive kWh, kVARh, kVAh

Demand measure ＊

Bi-directional Block/Rolling demand

Power Quality measure ＊

Harmonic：V, I THD and individual harmonics Sag/Swell：Configurable setting points

Report and Event logging ＊

Report >> Daily report : this day, yesterday & Regular report : this period, last reset Event logging >> Sag, swell, alarm logging

Display and input/output

Panel display：Mono 128 x 128 STN-LCD Digital input：12 channel dry contact inputs Digital output：2 channel relay for alarm or kWh pulse output Analog input＊：4 channel 4~20mA input Analog output：4 channel 4~20 mA for V, I, kW, kVA, kVAR Voltage connection：not exceed 600 V Current connection：0~5A Power supply：86~242 VAC or 100-300VDC

Communication

Primary port：RS485 Modbus or DNP 3.0 protocol Secondary port＊:Ethernet for 10/100 Mbps ; Modbus over TCP/IP protocol

Environmental & Physical

Operation temperature：-10 °C to 55 °C Storage temperature：-25 °C to 60 °C Humidity：20 to 80%RH (non-condensing) Dimensions：144mm(L) x 144mm(W) x 94mm(H)

Note

＊：only in Advance model