4 ms·
I'm not sure how accurate that would be on your wrist, because the proportion of recently exhaled air would be so much higher, since it's only a foot or two fro
by crazygringo 2y ago
I'm not sure how accurate that would be on your wrist, because the proportion of recently exhaled air would be so much higher, since it's only a foot or two from your mouth.
CO2 monitors often have little silent fans to draw in fresh air as well, for accuracy.
- christina97 2y agoI don’t think it’d make a difference. I’ve got one on my desk in front of me and can’t detect a difference with me at the desk vs not.
- stevenhuang 2y agoUnless your room has really good airflow you should be able to tell quite clearly. I have an SCD41 and I see a large spike in readings less than a minute after sitting down at my desk.