Strange jumps in MH-Z18B CO2 sensor values


  • Plugin Developer

    I have a MH-Z19B CO2 sensor (as part of the Candle system).

    In the logs I see some strange sudden jumps between measured levels.

    mh-z19b_strange_jumpps.png

    I don't think it's an issue with the code.

    Could this be related to an internal re-calibration of the device somehow? Has anyone else seen something similar?

    Or maybe the sensor is just dying?


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