Seeed Studio LWL02 LoRaWAN Water Leak Sensor US915MHz

• Low Power Consumption: Operates with 2 AAA LR03 batteries for up to 2 years

• Long-Range Transmission: Data coverage of 35 km

• Multi-Platform Support: Compatible with Helium, TTN, and more

• Alarm Function: Alerts triggered by water leak events

• Flexible Configuration: AT commands and LoRaWAN downlink for remote parameter setup

Description

LWL02 is powered by 2 x AAA batteries and targeted long-time use, these two batteries can provide about 16,000 ~ 70,000 uplink packets, which result in 2 ~ 10 years battery life. After the battery runs out, the user can easily open the enclosure and replace it with 2 common AAAbatteries.

It will send periodically data every day as well as for each water leak event. It also counts the water leak times and calculates the last water leak duration. Users can also disable the uplink for each water leak event, instead, the device can count each event and uplink periodically.

Each LWL02 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to the LoRaWAN server and it will auto-connect after power on.

This water leak sensor can be set up as follows in a LoRaWAN network:

Applications

• Boat Bilge Water Leak Detection

• Smart Building

• Smart home

Note

It is recommended to change the battery when it reaches 2.8V. After changing the battery, make sure, to press the RESET button to activate the low power mode.

Dimension and Overview

Parts List

1 x LoRaWAN Water Leak Sensor- US915MHz

Documents

DatasheetUsermanual

Certification