Technology of Electrical Automatic

DEM-3M1C (19D-23C) Single Phase Digital Energy Meter (CTs)

DEM-3M1C (19D-23C) Single Phase Digital Energy Meter (CTs)

DEM-3M1C (19D-23C) Single Phase Digital Energy Meter is a 3-module width DIN rail energy meter and uses external CT to expand the current to 999A. The DEM-3M1C CT energy meter is designed for single-phase energy measurement on a medium and low voltage system. The Single Phase Digital Energy Meter meets the related technical requirements of electronic meters in the IEC 62053-21, IEC62053-22, and IEC 62053-23 standards. The active energy accuracy is class 0.5s. The current and voltage accuracy is 0.2%. It features high precision, small size, and simple installation.

DEM-3M1C (19D-23C) Single Phase Digital Energy Meter is a 3-module width DIN rail energy meter and uses external CT to expand the current to 999A. The DEM-3M1C CT energy meter is designed for single-phase energy measurement on a medium and low voltage system. The Single Phase Digital Energy Meter meets the related technical requirements of electronic meters in the IEC 62053-21, IEC62053-22, and IEC 62053-23 standards. The active energy accuracy is class 0.5s. The current and voltage accuracy is 0.2%. It features high precision, small size, and simple installation.

Overview

Dimensions of the DEM-3M1C (19D-23C) Single Phase Digital Energy Meter are as follows: width 50 mm, depth 63 mm, height 3.74 in (104 mm), and weight 170g.

diamension of Single Phase Digital Energy Meter

Feature of DEM-3M2C Energy Meter

  • Measuring Voltage, Current, Frequency, Total power factor, Active power, Reactive power, Active energy, reactive energy, 4-quadrant energy
  • 7 digits display U, I, P, Q, PF, kWh, and other energy consumption, Power measure (999999.99kWh)
    IP40 front panel protection and IP20 casing protection
  • Standard 35mm din rail mounting, width 3M size
  • The supply voltage can range from 100 to 230V
  • Pulse output kWh/kvarh
  • RS485 communication Modbus RTU
  • External CT 1 A or 5 A

Specifications

Voltage measurement Rated 230V RMS value, Accuracy 0.2%,
Current measurement Rated 5A, optional 1A, CT connection
Frequency 50/60Hz, Accuracy ±0.01Hz
Display LCD with white backlit
Maximum display value 9,999,999MWh
Energy accuracy Class 0.5, IEC 62053-21
Digital port RS-485 MODBUS-RTU
Pulse port 1600imp/kWh
Working environment -25~55°C Altitude ≤2500m, 0~95%RH, non-condensing, non-corrosive gas
Storage environment -40~70C
Voltage tolerance 2KV 1min
Shock voltage 6KV-1.2uS waveform
Insulation Input, output, power supply to Shell >5MΩ

Download

Brochure of DEM-SERIES-DIN-RAIL-ENERGY-METER

19D-23C-User manual-V1.10

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