it's a 2nd sealed chamber and shares some sensor parts. Some parts are different, so it's not perfect of course, but much better as the requirement of regular m

it's a 2nd sealed chamber and shares some sensor parts. Some parts are different, so it's not perfect of course, but much better as the requirement of regular manual calibration. Sensirion SCD30 for example, where you can even see the Y shape of the gas chambers.