[ahaucnx]

It should give very similar results. As far as I know the Aranet also uses a CO2 Sensor from Senseair.

[thadk]

It appears to be this $60 Senseair Sunrise however: https://sensormaestros.com/products/sensor/gas/co2/senseair-...

https://senseair.com/news/customer-cases/aranet4-senseair-su...