Smart Electronic Energy Meter: Single & Three Phase, Lorawan / WiFi / 4G / RS485 with Prepaid Electricity Remote Control and Ami / AMR Solution

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Product Description

📊 Basic Information
Model NO.DDZY2397 / DTZY2397
DisplayDigital LCD
UsageWatt-Hour Meter for Industry and Home Use
TypeEnergy Meter
CommunicationLoRaWAN / WiFi / 4G / Bluetooth / RS485
InstallationWall Hanging
StandardIEC62053-21, IEC62052-11, DL/T645-2007
PhaseSingle Phase / Three Phase
Control TypeWireless Remote Control
🔍 Product Description
Smart Energy Meter

The intelligent electricity meter features electric energy measurement, power parameter measurement, time-sharing measurement, real-time freezing, and on-off control. It offers long communication distance, large capacity, fast installation, and a long service life.

Meter Detail 1
Meter Detail 2
Meter Detail 3
Our Advantages
1. Advanced Measurement Accumulates forward and reverse active energy separately for tips, peaks, flats, and valleys. Stores up to 12 months of historical data.
2. Real-time Monitoring Measures voltage, current, power factor, and frequency with built-in overload protection.
3. Flexible Tariff Management Supports two sets of rates and periods (at least 14 time periods within 24 hours).
4. Freezing & Event Recording Includes instantaneous, daily, and hourly freezing, alongside records for power-down and programming events.
5. Remote Control Supports remote disconnection and transmission through RS485 or wireless communication to manage user loads.
6. Auto-Calibration Once connected to the LoRaWAN network, the meter performs automatic time calibration.
⚙️ Product Parameters
Single Phase Specifications
ParameterValue
Rated Voltage (Un)220V
Rated Current (Ib)5A (Max 80A)
Starting Current0.4% Ib
AccuracyActive Class 1 / Reactive Class 2
Power Dissipation<1.5W, 10VA
Temperature Range-25ºC to +55ºC (Operating)
LoRaWAN FrequencyEU868, US915, AS923, CN470, etc.
Three Phase Specifications
ParameterDirect MeterCT Meter
Rated Voltage3×220/380V3×220/380V
Rated Current5A (Max 100A)1.5A (Max 6A)
Active AccuracyClass 1 / BClass 0.5S / C
Clock Precision±0.5S/d (23ºC)
RS485 Interface1200 - 9600 bps
🖥️ Display Description

Single Phase LCD

Single Phase LCD

Three Phase LCD

Three Phase LCD
Display Icons
Status Indicator Lamps:
Red: Active power pulse indicator (flashes during measurement).
Green: Module status (LoRaWAN/BT/4G). Solid: Online; Flashing: Connecting.
Yellow (Three Phase): Trip indicator. Off: Relay closed; On: Relay open.
🛠️ Installation Instructions
Installation Drawing
Wiring Diagram
Terminal Wiring
Three Phase Wiring

Note: Live installation is strictly prohibited. Use copper wires for connections and ensure screws are tightened to avoid contact heating.

📡 Key Features of LoRaWAN
Long Range: Up to 15km in rural and 5km in urban areas.
Low Power: Operates for years with minimal energy consumption.
High Capacity: One gateway handles thousands of meter nodes.
Security: Dual-layer AES encryption for data privacy.
Bi-Directional: Enables remote firmware updates and command control.
Frequently Asked Questions
What communication protocols are supported?
The meter supports LoRaWAN, WiFi, 4G, Bluetooth, and RS485 for versatile data transmission.
Can I remotely disconnect the power?
Yes, remote disconnection commands can be issued via the communication interfaces to control the user's load loop.
Is the meter suitable for outdoor installation?
It is recommended for indoor use. For outdoor installation, a special instrument protection box must be used to avoid dust and salt spray.
What is the warranty period?
The product comes with an 18-month warranty from the date of delivery, provided the lead seal is intact.
What are the main application scenarios?
It is ideal for residential quarters, commercial malls, industrial enterprises, and government energy management systems.

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