Great, this works instantly with my recently purchased TFA AirCO2ntrol Mini [1]. Moderately priced for EUR 65, this gives relatively accurate readings (the maxi

Great, this works instantly with my recently purchased TFA AirCO2ntrol Mini [1]. Moderately priced for EUR 65, this gives relatively accurate readings (the maximum of ±7% or ±100ppm for values <=2000ppm, and ±10% for values >2000ppm). [1] https://www.tfa-dostmann.de/en/produkt/co2-monitor-airco2ntrol-mini/ https://www.tfa-dostmann.de/en/produkt/co2-monitor-airco2ntr...