DDZY2397 220V LoRaWAN Smart Meter Single Phase IoT Wireless Electricity Meter 80A Max Current
The DDZY2397 single-phase IoT smart energy meter delivers comprehensive electrical measurement, time-sharing metering, real-time data freezing, remote control capabilities, and dual communication interfaces (LoRaWAN and RS485). Designed for residential and commercial single-phase power applications.
| Parameter | Specification |
|---|---|
| Model | DDZY2397 (LoRaWAN) |
| Standards | IEC62053-21, IEC62052-11, DL/T645-2007 |
| Rated Voltage | 220V |
| Operating Voltage Range | 80% - 115% Un |
| Rated Current | 5A |
| Maximum Current | 80A |
| Starting Current | 0.4% Ib |
| Power Grid Frequency | 50Hz |
| Active Measurement Accuracy | Class B / 1 |
| Reactive Measurement Accuracy | Class 2 |
| Active Pulse Constant | 1600 imp/kWh |
| Operating Temperature | -25℃ to +55℃ |
| Power Consumption | <1.5W, 10VA |
| RS485 Interface | 2400bps default (1200-9600bps optional) |
| LoRaWAN Frequency | CN470, RU864, IN865, EU868, US/AU915, KR920, AS923 variants |
Measures forward/reverse active energy with separate accumulation for peak, flat, and valley time periods. Stores 12-month historical data.
Monitors voltage, current, power, power factor, frequency with overload protection.
Two programmable rate sets with 14 time periods per day, minimum 15-minute intervals.
Instantaneous, regular, daily, and hour freezing functions for data integrity.
Remote disconnect/connect capability via RS485 communication interface.
LoRaWAN connectivity with active data upload every 4 hours (configurable).
Comprehensive LCD display showing:
- Current, previous month, and 12-month cumulative electricity consumption
- Rate period status (T1-T4 for peak/valley periods)
- Relay status (ON/OFF indication)
- Communication, reverse power, and programming status indicators
Important: Live installation strictly prohibited. Use copper wiring and ensure secure terminal connections.
- 18-month free repair or replacement warranty
- Complete "three guarantees" service throughout product lifecycle
- Technical documentation, wiring diagrams, and training materials provided
- 12-hour response time for service requests
- Regular software updates and free upgrades
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