AirGradient Forum

Co2 does not calibrate ?'

request calibartion 2x … and took it ouside it shows 79… its 20 minutes outside with 2 calibratin requats and unit still 80 :slight_smile:
How ro fix it ?
Bout interna uns star to sjo much to low values recently…
afte rebo is show f417… ad it than down to 90 … an than to 72
bug in 3.4.1 ?

outdoor unit shows 417

1 Like

ok, ti woked after 30 min

new values are like? range?

they were 403-407… when i took it back inside… it showed way do high for a while around 1900 but settled to correct abou 1100 in 20.minutes…