LoRaWAN Smart Water Meter 15-25mm with Remote Valve Control, 10L Accuracy and ≤10μA Sleep Current
LoRaWAN IoT water meter features a mechanical and electrical separation design with dry structure construction. The system utilizes high-capacity lithium sub-battery pack for reliable power supply, ensuring long-term stable operation for data acquisition, valve control, and wireless transmission.
- Split structure design with independent electronic unit from base meter
- Non-contact full-electronic detection with 10-liter metering accuracy
- Touch key wake-up function with long-press for remote data transmission
- Infrared communication interface for parameter reading and configuration
- Comprehensive alarm functions for battery voltage, valve status, flow anomalies, and module failures
- Timed data collection and automatic upload (default once daily)
- Automatic switching between reporting modes based on signal conditions
- Low power design with sleep current less than 10μA
| Parameter | 15mm | 20mm | 25mm |
|---|---|---|---|
| Overload Flow Q4 (m³/h) | 3.1 | 5.0 | 7.8 |
| Common Flow Q3 (m³/h) | 2.5 | 4.0 | 6.3 |
| Maximum Water Pressure | ≤1.2MPa | ||
| Operating Temperature | 0-45°C (cold water), 0-90°C (hot water) | ||
| Accuracy Class | Class 2 per GB/T 778.1~3-2007 | ||
| Operating Voltage | 2.7-3.6V | ||
| Quiescent Current | <10μA | ||
The water meter automatically connects once daily (configurable) to upload data to the system platform via wireless communication. Security features include 5-minute intervals between key-triggered launches and maximum 8 daily manual triggers. Monthly overdraft functionality allows 3m³ water usage when valve is closed.
• Regularly inspect water meters to prevent leakage accidents
• Implement winter insulation measures to prevent freezing and bursting
• Close front valve when property is unoccupied for extended periods
• Water meters are certified measuring instruments - tampering is illegal
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