3 ms·
Most of the $60 ones aren’t really measuring CO2. The usual giveaway is if the sensor also measures VOC or TVOC most are estimating the CO2 based on that. Which
by lathiat 3y ago
Most of the $60 ones aren’t really measuring CO2. The usual giveaway is if the sensor also measures VOC or TVOC most are estimating the CO2 based on that. Which has only a vague correlation sometimes and not remotely close to useful.
You need a device that specifically quotes having an “NDIR” sensor and most are $100+
- Mutlut 3y agoThe one i mentioned btw. only hsa that NDIR sensor and is at 60 bucks: "Hochwertiger NDIR Dual Beam Sensor" <> "high quality NDIR Dual beam sensor" And it doesn't meassure anything else. So a good point that its not the same thing and if you want both, you probably need to spend 100+