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Three Phase Smart Energy Meter

Reference Voltage: 3*220/380V

Current: 3*1.5(6)A, 3*5(60)A, 3*10(100)A, 3*100(400)A

Communication: WiFi/3G/4G/GPRS/NB-loT/Modbus/RS485

Frequency: 50Hz±2.5Hz

Accuracy: active: 1.0, reactive: 2.0

• Clock Accuracy: ≤0.5s/d(23℃±2℃)


The DTZ1737 three phase energy meter is a din rail three-phase tariff control smart energy meter with backlight LCD display. It is a smart energy manage meter with software platform for a total solution in smart buildings, factories, schools, hospital etc… Built-in wireless Lora communication modem (more options as GPRS/3G/4G/NB-IoT/Modbus) can collect the energy data from the meter and transmit remotely directly to the server platform for energy data analysis.


  1. Supporting 1~4 loop metering function
  2. Each loop meter has import/export active and combined active data
  3. Each channel meter can measure the current, voltage, frequency, power factor, active power, reactive power, apparent power
  4. Can record and alarm of undervoltage, overvoltage, supervoltage and phase loss events;
  5. On the meter reading day of every month, the electric quantity will be settled. automatically
  6. Timed data freeze, hourly data freeze and daily data freeze. Meter can freeze data of energy, etc. There are 30 timed freeze, 254 hourly freeze, 62 daily freeze
  7. LCD digital display, rotate display energy meter parameters;
  8. The data inside the meter can be read through the RS485 and infrared interface.
  9. The energy meter is installed with standard 35mm din rail.


By wireless communication modem, modbus modem, the meter can transmit the energy data directly to the server platform.The communication modem is flexible and changeable according to the local network situation. Metering and transmission two-in-one design is an excellent combination with advantages of cost saving, simple construction, quick deployment.


Accuracyactive: 1.0, reactive: 2.0
Reference Voltage3*220/380V
Current3*1.5(6)A, 3*5(60)A, 3*10(100)A, 3*100(400)A
Normal Working Temperature-25℃~60℃
Limit Working Temperature-40℃~70℃
Clock Accuracy≤0.5s/d(23℃±2℃)


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