Sensor Firmware
Firmware can be easily installed on your sensor using anb_utils
New Firmware
| Date | Type | Serial No. |
|---|---|---|
| 26/11/2025 | Driver = STM | 300200 and above |
| 26/11/2025 | Driver = ATX | 300199 and below |
| 26/11/2025 | Interface = B | 300028 and above |
| 26/11/2025 | Interface = A | 300027 and below |
Version 10.11 Firmware Update - we recommend all users upgrade to this latest version to benefit from these improvements.
Improved Sensor Stability: The time required for the sensor output to stabilise after abrasion has been significantly reduced, ensuring faster and more consistent performance.
Greater Calibration Accuracy: Calibration has been refined, enabling more precise pH measurements in high salinity environments. These improvements are supported by extensive data comparisons against field pH probes, delivering higher reliability in a wide range of environments.
Interface 10.11.05: New Modbus command for read only data logger integrators
We are working hard on the low salinity accuracy - with an upgrade expected in early 2026!
SD Card Improvements: A new Clean function allows users to easily remove files from the SD card. In addition, the system now saves smaller file sizes to help minimise corruption risks and improve long-term data integrity.
The sensor operates using two firmware components: Driver and Interface.
Due to processor supply variations, there are two types of Driver firmware (ATX and STM) and two types of Interface firmware (A and B).
It is important to upload the correct Driver and Interface firmware versions for your sensor.
The PCB Version shown on the anb_utils splash screen will indicate which Driver and Interface firmware versions are required.
Make sure you have Interface version I6 or above installed on your sensor before uploading new firmware.
If you do not have Interface version I6 or above, an upgrade to the bootloader must be carried out first. Instructions on how to do this are here
For further support please contact support@anbsensors.com