/diy/ - Do It Yourself

Anonymous Sun Sep 24 19:35:37 2017 No.1249648 [View]
File: 271 KB, 784x702, Zhengzhou-Winsen-MH-Z16.png [View same] [iqdb] [saucenao] [google]

>>1249573
>probably chinesium
Certainly, lifetime 5 years.
co2meters has something about calibration:
www.co2meters.com/Documentation/AppNotes/AN131-Calibration.pdf

The air leaving your lungs has a CO2 concentration of 20,000 ppm. The air in the room you're sitting in has a CO2 concentration of 2,000..4,000 ppm and on the ISS it is 5,000 to 10,000 ppm.

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/diy/ - Do It Yourself

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