News — Calibration
Automatic Background Calibration (ABC) in Senseair CO2 Sensors Explained
Automatic Background Calibration algorithm (ABC) allows the CO2 sensor to dynamically shift its CO2 reading by a constant. It works via storing the lowest CO2 sample taken over the ABC Period and assuming that this low value is equal to a known value (the target value). It then adjusts the output of the CO2 reading by the delta between these values. This algorithm does not affect the linearization of the output signal. For example, by default ABC is enabled with an ABC Period of 180 hours, a target value of 400ppm, and a maximum delta of 30ppm. This operates under...
- Tags: Calibration, carbon dioxide, CO2, Senseair, Sensor
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