Aranet4 measurement discrepancies.
aranet-techsupport
Posted: 01.11.2023 13:24
Modified: 25.06.2025 03:42
To understand how to correctly read the shown measurements, you can check out this video from us:
https://www.youtube.com/watch?v=ukUtG9CWdOc
And look at the data sheet.
The things you have to take into account are:
Resolution - the smallest increment the sensor can show
Accuracy - the accuracy of the measurement, 95% of the time the shown measurement falls into the Actual measurement +- the shown value.
Time constant - How long it takes for the sensor to be put in a new environment to show a 63% accurate reading
Long-term drift - how much the sensor measurement can drift with time
If you would like to calibrate the CO2 sensor, then you can follow this post:
https://forum.aranet.com/all-about-aranet4/how-can-i-calibrate-my-aranet4/
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