IWM-LR3 - Water Meter Reader
IWM-LR3 has been designed to allow wireless remote reading in different types of applications from the residential sector to the commercial and industrial sectors. It can read the inductive target of the meter dial using a pulse sensor.
About this device
IWM-LR3 has been designed to allow wireless remote reading in different types of applications from the residential sector to the commercial and industrial sectors. It can read the inductive target of the meter dial using a pulse sensor.
The IWM-LR3 - Water Meter Reader supports 1 regional frequency plan and operates as a Class A LoRaWAN device.
Key features
- Sensors: pulse count.
- LoRa Alliance certified, verified interoperability with The Things Stack and other LoRaWAN network servers.
- 1 frequency plan supported: EU863-870.
- Battery powered (3V Lithium).
Vendor
Hardware specifications
| Model ID | iwm-lr3 |
| Dimensions | 75 × 88 × 60 mm |
| Weight | 124 g |
| IP rating | IP68 |
| Operating temperature | 1 °C to 55 °C |
| Relative humidity | 0% to 1% |
| Power | Battery — 3V Lithium |
Sensors & capabilities
Certifications & compliance
Standards
Network profiles
Capabilities are defined per firmware version and frequency plan, exactly as published in the repository.
Firmware aa04
| Frequency plan | MAC | Reg. params | Class | Join | Max EIRP | Certified |
| EU863-870 | 1.0.1 | TS001-1.0.1 | A | OTAA | 14 dBm | ✓ Yes |
Frequency plan coverage
Add to The Things Stack
Manual setup
Create an application
In The Things Stack console, go to Applications → Create application and pick a unique application ID.
Register an end device
Choose From the LoRaWAN Device Repository and search for “IWM-LR3 - Water Meter Reader”. Select your firmware version and frequency plan.
Enter device credentials
Provide the DevEUI, JoinEUI and AppKey printed on the device label or QR code.
Power on & verify uplinks
Within a few minutes you'll see the join request and uplinks in the Live data tab.