OEM Smart LoRaWAN Water Meter with 15-25mm Caliber, 2.7-3.6V Operation and Class 2 Accuracy for IoT Water Management
The LXSY-TW IoT smart water meter combines mechanical water measurement with advanced LoRaWAN wireless communication technology. This electromechanically separated design features a dry water meter base, electric ball valve, magnetic resistance sensor, MCU, lithium battery pack, and LoRaWAN module for efficient water consumption management.
- Split structure design with independent electronic units
- Non-contact electronic detection with 10-liter measurement accuracy
- Touch button wake-up function with long-press for immediate data transmission
- Infrared communication interface for parameter reading and configuration
- Comprehensive alarm functions for abnormal states and faults
- LoRaWAN timing upload with daily automatic data transmission
- Ultra-low power design with dormant current <10μA
- Automatic and remote clock calibration functionality
| Nominal Caliber (mm) | 15 | 20 | 25 |
|---|---|---|---|
| Overload Flow Q4 (m³/h) | 3.1 | 5.0 | 7.8 |
| Common Flow Q3 (m³/h) | 2.5 | 4.0 | 6.3 |
| Range Ratio | Q2/Q1=1.6 Q4/Q3=1.25 | ||
| Pressure Loss Level | Δp ≤ 0.063 MPa | ||
| Maximum Water Pressure | ≤ 1.2 MPa | ||
| Accuracy Level | Class 2 per GB/T 778.1~3-2007 | ||
| Communication Modes | LoRaWAN: CN470, RU864, IN865, EU868, US/AU915, KR920, AS923 variants | ||
| Operating Voltage | 2.7-3.6V DC | ||
| Temperature Range | 0-45°C (cold water), 0-90°C (hot water) | ||
The water meter automatically connects to the platform once daily for data upload and command reception. Touch button activation provides manual control with status indicators. Built-in protection prevents excessive battery drain from frequent activations.
| Model | Caliber (mm) | L (mm) | B (mm) | H (mm) | Connection | Nut |
|---|---|---|---|---|---|---|
| LXSY-15 | 15 | 165 | 100 | 140 | R1/2 | G3/4 |
| LXSY-20 | 20 | 195 | 100 | 140 | R3/4 | G1 |
| LXSY-25 | 25 | 225 | 100 | 140 | R1 | G11/4 |
18-month warranty from delivery date with free repair or replacement for quality issues. Full lifecycle support including technical documentation, training materials, software updates, and 12-hour response time for service requests.
Regular inspection recommended to prevent leakage. Winter protection required against freezing. Close upstream valve during extended absences. Water meters are measuring instruments protected by law.
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