References

CMM-61h-C

Current inputs /1A – /7A

CMM-61h-R

Rogowski current inputs

Applications

Data collection
Energy management
Remote monitoring

Main features

Measurement:

  • Maximum Indicator (Demand)

  • Max./Min Value

Power quality:

  • Voltage and current THD

  • Unbalance

Energy measurement:

  • Bi-directional energy
  • Reactive energy on 4 quadrants
  • Energy by tariff

Inputs/Outputs:

  • 1 energy pulse

  • 2 digital inputs

  • 1 relay output

Installation and Connection

Measured and displayed parameters

Measured and displayed parameters

Measured Values

  • Single voltages: V1, V2, V3

  • Composite voltages: U12, U23, U31 and average value.

  • Current: I1, I2, I3 and average value.

  • Power: Power: Active Power, Reactive Power, Apparent Power (total et per phase)

  • Energy: Imported Active Energy, Exported Active Energy, Imported Reactive Energy, Exported Reactive Energy, Apparent Energy.
    When the energy value exceeds 9,999,999.9 kWh, the meter automatically resets to “0”.

  • Power factor: Power factor PF and cos phi (fundamental power factor – DPF): Average value of each phase and all phases.

  • Frequency: Network frequency.
Refresh Rate

  • Refresh Rate: 500ms

Harmonics

  • Voltage: Harmonic distortion rate THD of each phase

  • Current: Harmonic distortion rate THD of each phase

Max / min
  • Voltage: Per phase.
  • Current: Per phase.
  • Power: Active Power, Reactive Power, Apparent Power(sum of all phases and each phase)
Unbalance

  • Voltage: Per phase.

  • Current: Per phase.

Demand / Maximum Indicator
  • Current: Per phase.
  • Power: Active Power, Reactive Power, Apparent Power(sum of all phases and each phase)

Accuracy and Environment

Measurement Accuracy

  • Current (reading value)

    • CMM-61C: ±0.3%
    • CMM-61R: ±0.5%

  • Guaranteed current measurement accuracy range (full scale)

    • CMM-61C: 0.5% FS~100%
    • CMM-61R: 2% FS~100%

  • Voltage: 0.2%(30~600V AC)

  • Frequency: 0.01%(45~65Hz)

  • Power factor and Cos phi: ±0.005
  • Active and Apparent Power: IEC62053-22 – Class 0.5S
  • Reactive Power: IEC62053-21 – Class 2S
  • Active Energy: IEC62053-22 – Class 0.5S
  • Reactive Energy: IEC62053-21 – Class 2S
Environment

  • Operating Temperature: -25℃～+60℃

  • Storage Temperature: -40℃～+85℃

  • Relative Humidity: 5～95% RH, 50℃ (non-condensing)

  • Pollution Degree: 2

  • Overvoltage Capacity: CAT III 1000V, (indicated for network voltages below 277 / 480VAC))

  • Dielectric Strength: IEC61010-1

  • Altitude: 3000m Max

  • Protection Rating: IP20 (Compliant with IEC 60629)