Smart Water Flow Meter with Prepaid Remote Control LoRaWAN 4G DN15 DN20 DN25 2.5-7.8 m³/h Flow Rate
This advanced IoT water meter combines dry water meter technology with LoRaWAN/4G wireless communication, electric ball valve control, and prepaid functionality for efficient water management.
- Split Structure: Electronic units are independent from the base meter for easy maintenance
- Accurate Measurement: Non-contact electronic detection with 10-liter measurement accuracy
- Physical Buttons: Touch button wake-up with long-press for immediate online data transmission
- Infrared Communication: Read and set parameters via infrared interface
- Alarm Functions: Monitors abnormal states, measurement faults, battery voltage, and valve status
- Timing Upload: Automatic daily data upload with platform instruction execution
- Micro-power Design: 3.6V lithium battery pack with dormant current <10μA
- Clock Calibration: Automatic and remote platform calibration functions
| Parameter | DN15 | DN20 | DN25 |
|---|---|---|---|
| Nominal Caliber | 15mm | 20mm | 25mm |
| Overload Flow Q4 | 3.1 m³/h | 5.0 m³/h | 7.8 m³/h |
| Common Flow Q3 | 2.5 m³/h | 4.0 m³/h | 6.3 m³/h |
| Range Ratio | Q2/Q1 = 1.6, Q4/Q3 = 1.25 | ||
| Pressure Loss | Δp ≤ 0.063MPa | ||
| Max Water Pressure | ≤ 1.2MPa | ||
| Temperature Grade | T30 (0-45°C) / T90 (0-90°C) | ||
| Accuracy Level | Class 2 per GB/T 778.1~3-2007 | ||
| Communication | LoRaWAN: CN470, RU864, IN865, EU868, US/AU915, KR920, AS923 | ||
| Quiescent Current | < 10μA | ||
| Working Voltage | 2.7-3.6V | ||
Our smart water meter utilizes LoRaWAN technology for long-range, low-power communication with secure data transmission and real-time monitoring capabilities.
- Long-Range Communication: Several kilometers in rural areas, hundreds of meters in urban settings
- Low Power Consumption: Years of operation on single battery
- Real-Time Monitoring: Immediate leak detection and water conservation
- Secure Transmission: AES-128 encryption for data protection
- Scalability: Supports millions of devices for wide-area deployment
- Bi-Directional Communication: Receives firmware updates and commands
| Model | Caliber (mm) | Length (mm) | Width (mm) | Height (mm) | Connection |
|---|---|---|---|---|---|
| LX SY-15 | 15 | 165 | 100 | 140 | R1/2 | G3/4 |
| LX SY-20 | 20 | 195 | 100 | 140 | R3/4 | G1 |
| LX SY-25 | 25 | 225 | 100 | 140 | R1 | G11/4 |
The water meter automatically goes online once daily for data upload and instruction reception. Physical button triggers are limited to prevent battery drain, with monthly valve opening functionality for prepaid water usage.
18-month free repair or replacement warranty with complete manufacturer lead seal. Three-guarantee policy throughout product lifecycle, including technical documentation, training materials, and regular software updates. 12-hour response time for service requests.
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