tyeth
Re:Air Lab – A portable and open air quality measuring device
on Thursday June 19, 2025 @08:18AM (#44317948)
Maybe contact Sensirion about the STCC4, better form factor and due for release any moment...They have a contact sales option and are usually helpful.
https://sensirion.com/products/catalog/STCC4
(Not sure but thought maybe used in the SEN66 which is available now and covers most things including PPM/CO2/VOC/NOx)