Wall Mounted Single Phase Energy Meter


The DDZY737 single phase electricity meter is a wall mounted single-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) can collect the energy data from the meter and transmit remotely directly to the server platform for energy data analysis.


1. Metering & Measurement:

Current, voltage, power factor, active power, daily energy, energy consumption

2. Communications:

Built in communication module with plug-and-play design.

Supported communication mothod: GPRS, 2/3/4G, NB-IoT, Wi-Fi, Lora, etc. Transmitting data directly to the server platform.

3. Remote Power on/off Switch Control:

Relay built in answers the Switch on/off command from the server platform to remotely control the power on/off.

4. Data Storage:

Energy data stored in the meter traceable and retrievable in case of network disruption. Storage up to one year to avoid data loss.

5. Display:

Backlight LCD display screen with various status indicators.

6. Energy Freezing:

Time freezing, instantaneous freezing, daily freezing, contract freezing, and periodical freezing.

7. Event Record:

Abnormal data: voltage, current, active power, demand, zeroing, trip, time calibration, programming, power loss, etc.


active: 1.0, reactive: 2.0
Reference Voltage
Normal Working Voltage
Reference Temperature
Normal Working Temperature
Limit Working Temperature
5(60), 10(100)A
Clock Accuracy
Clock Battery Volume
 ≥ 1200mAh
Clock Battery Working Time
≥ 5 years
Starting Current
160×112×71 mm

Mother Company: Guangdong Super Telecom Co., Ltd. (Stock No. SH.603322)

Business Type: ISO 9001:2008 and ISO 14001:2004 certified Manufacturer

Main Products: Telecom SCADA; Energy Meter; RTU; Cabinet air conditioner; CRAC

Total Annual Revenue: US$ 14 Million-US$20 Million

Main Market: Asia, South America, Europe

Location: Chengdu, China (Panda’s homeland)

Year Established: 2010

R&D Achieves: 16 product patents; 6 software copyrights

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