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Big Clive on YouTube has done some videos on devices like these - like a "CO₂ meter" that seemed to actually just contain a VOC sensor - while it was quite good
by stephen_g 4y ago
Big Clive on YouTube has done some videos on devices like these - like a "CO₂ meter" that seemed to actually just contain a VOC sensor - while it was quite good at detecting things like alcohol vapour, it's just useless as an actual CO₂ sensor.
I wouldn't trust anything from AliExpress or anything that's not a known quality brand on Amazon. I'm looking at maybe getting a Davis Instruments AirLink to (at different times) do both indoor and outdoor monitoring for PM1, 2.5 and 10, as well as temperature and humidity, but it's pretty pricy (a bit over AU$300). There's also the new Ikea indoor monitoring device [1] coming out next month too, which should be a lot more affordable I think.
1. https://about.ikea.com/en/newsroom/2023/02/14/ikea-launches-vindstyrka-a-smart-sensor-to-measure-indoor-air-quality https://about.ikea.com/en/newsroom/2023/02/14/ikea-launches-...