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The M31S1 Noise Monitor is an acoustic monitoring device featuring simple deployment and support for remote real-time monitoring. When water leakage occurs in the pipeline network, the friction between the pipe wall and water flow generates acoustic signals. The acoustic monitor transmits the collected signals to the cloud server via wireless communication. The AI algorithm deployed on the cloud server automatically identifies water leakage signals. Once water leakage is confirmed, the location is displayed on a map, and an alarm notification is sent synchronously.





| Item | Description |
|---|---|
| Communication Mode | Multi-network 4G/NB-IoT/LoRa |
| Maximum Monitoring Distance | 250 meters |
| Frequency Range | 50~2500Hz |
| Operating Temperature | -35ºC~+70ºC |
| Battery Service Life | >3 years |
| Sampling Frequency | 8kHz |
| Sampling Duration | 5~15 seconds (configurable) |
| Audio Parameters | 16-bit, mono |
| Leak Point Analysis Accuracy | >95% |
| Sensor Drop Alarm | Supported |
| Protection Class | IP68 |
| Installation Method | Adsorption-type installation |
| Power Supply Mode | 3.6V Li-SOCl battery |
Mintrix Excavator