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Three-phase digital panel meter
( ECM625 )


The ECM625 series three-phase digital panel meters are suit for 220V (L-N)/ 380V (L-L) low voltage system.
The device is designed for monitoring and displaying electric parameters include voltage, current, active power, reactive power, power factor, frequency, active energy and reactive energy.
ECM625 series offer one RS485 serial to link with PLC, PCs, and SCADA system etc.



  • Black panel, 3 line LED, high definition and brightness
  • Combination of remote signaling, remote control, remote metering, and remoter sensing
  • Compact design with full measurement
  • External CT programmable
  • RS485 communication/ MODBUS protocol
  • Password protect


Performance Index

  • Standard: DLT721-2000, IEC61000-4
  • Accuracy:
    Voltage: 0.2%
    Current : 0.2%
    Power: 0.5%
    Active energy: class 1
  • Power loss2VA
  • Power frequency withstand voltage: AC2kV/ min. ~1mA Input--Output--Power
  • Insulation resistance 50M
  • Impulse withstand voltage: 5kV (peak), 1.2/50uS
  • Input range:
    Current: AC 0~5A
    Voltage: 0~220VAC
    Frequency: 50~60Hz
  • Overload capability: 120% of rated current or voltage
  • Communication:
    RS485 port/ MODBUS protocol
    Baud rate: 4800/ 9600bps
    Address: 1~ 247
  • Status input: external power supply
  • Electrical fast transient/burst immunity test: IEC61000-4-4, Level 4
  • Surge immunity test: IEC61000-4-5, Level-3
  • Electrostatic discharge immunity test: IEC61000-4-2, Level 4
  • Operating temperature: -40~ 70
  • Storage temperature: -50~85
  • Humidity: 5~95%, non-condensing

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