5 ms·You can easily calibrate co2 , 02 and n2 sensors by going outside in a "wild/nature" placeby F_r_k 7y agoYou can easily calibrate co2 , 02 and n2 sensors by going outside in a "wild/nature" placepolskibus 7y agoDepends on the sensor, also full auto mode usually means (for example MH-Z19) that it recalibrates every X hours, which means you'd have to go to the woods fairly often ;)gsich 7y agocan be disabled. But then I'd recalibrate them after a few months. (I do it after 6 months usually)polskibus 7y agoWhich sensors do you use? Are you happy with them overall?gsich 7y agoMH-Z14 and MH-Z19. Yes, for the price absolutely.polskibus 7y agoAre you using hass.io? Its plugin for MH-Z does not support switching auto calibration off, and in not sure how to do it.gsich 7y agoNo.