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ADL303 RSTAR Affinity Tilt Logger
Triaxial tilt logger with LoRaWAN connectivity for continuous monitoring of structures, slopes and infrastructure. It combines automated data capture, a long-life replaceable battery and internal or external antenna options.
The ADL303 RSTAR Affinity Tilt Logger is a sensor-to-software solution for continuous, high-precision tilt monitoring across structures, slopes, rail assets and other critical infrastructure.
The unit measures tilt across three axes, two at a time, while the third axis acts as the reference for precise calculations. This design supports multiple mounting orientations without changing sensors and helps teams detect subtle movement earlier than manual inspections or prism-based systems.
Built for mining, construction and civil infrastructure projects, it automates wireless data collection to reduce site visits, lower operating costs and minimise personnel exposure to risk. As part of the RSTAR Affinity ecosystem, it integrates with the Gateway, software and other sensors to provide a scalable geotechnical monitoring platform.
Key advantages include local Bluetooth configuration, dashboard-based configuration updates, a field-replaceable battery with more than five years of life and internal or external antenna options for different installation conditions.
Technical specifications
- Triaxial MEMS accelerometer sensor
- Measurement range: ±30 degrees
- Resolution: 0.0001 degrees
- Precision: ±0.0005 degrees (2s)
- Accuracy: ±0.002 degrees
- Operating temperature: -40 C to +60 C
- IP68 protection (24 h at 2 m water depth)
- 8 MB industrial flash memory with up to 200000 records
- Bluetooth Low Energy and bi-directional LoRaWAN
- Supported LoRaWAN regions: EU868, AS923, US915, AU915
- Gateway range: up to 15 km depending on environment
- Field-replaceable 3.6 V LiSOCl2 primary battery
- Battery life greater than 5 years at 1 hour interval with LPWAN
- Dimensions: 76 x 116 x 40 mm
- Weight with battery: 575 g
- Horizontal or vertical mounting, pole bracket and magnetic feet
- Internal or external RP-SMA antenna
Ordering information
Example part number: ADL303-L-US-I-F.
- ADL303: Affinity Tilt Logger model
- L or H: standard or high-vibration environment
- US, EU, AS, AU: LoRaWAN frequency
- I or E: internal or external antenna
- F, L or no battery: battery configuration