A121 Tank Level Reference Application User Guide
User guide for the Acconeer A121 radar sensor tank level application, covering liquid measurement from 3cm to 20m, presets, calibration, memory usage, and power consumption.
Overview
This user guide details the A121 Tank Level Reference Application, which utilizes Acconeer's pulsed coherent radar technology to measure liquid levels. The application is built upon the A121 Distance Detector and supports ranges from 3 cm up to 20 m. It features pre-defined configurations for small, medium, and large tanks, and explains the implementation of median filters to stabilize fluctuating liquid surfaces. The document provides comprehensive data on calibration (noise and offset compensation), GUI functionality, and hardware requirements for the XM125 module, including a flash footprint of approximately 95 kB and RAM usage of 21-22 kB.
Use Cases
- Industrial liquid level monitoring
- Water tank management
- Chemical storage sensing
- Fuel level detection
- Wastewater systems
Topics
Referenced Parts
Acconeer AB
The reference application compiled from ref_app_smart_presence.c on the XM125 module
XR121
Acconeer AB
Test equipment • A121 EVK + XR121