Do Masks Increase CO2 Intake?

RE: Do Masks Increase CO2 Intake?

jw0752 — Thu, 06 Aug 2020 18:33:57 GMT

Thanks Doug,

A very interesting and timely experiment. I love the input from your lab assistants. They provide an objective assessment on the activities of their owners.

John

RE: Do Masks Increase CO2 Intake?

DAB — Thu, 06 Aug 2020 18:14:29 GMT

Great post Douglas.

Have you considered putting a tube or straw inside the mask and using that to dump CO2 inside the mask directly on a sensor?

The main concern is that CO2 will build up in the lungs because you do not get a good interchange of fresh air in versus CO2 outflow creating a net CO2 gain in the lungs.

DAB

RE: Do Masks Increase CO2 Intake?

fmilburn — Thu, 06 Aug 2020 15:47:38 GMT

I see you are fortunate enough to have two lab assistants. The first kitty appears to be wary, the second not so interested. Not sure whose opinion would be most valuable.

RE: Do Masks Increase CO2 Intake?

Jan Cumps — Thu, 06 Aug 2020 14:35:58 GMT

Thunderf00t has created a video about this. I'm not linking it here because it's intermixed with politics, a topic I try to avoid here.

RE: Do Masks Increase CO2 Intake?

beacon_dave — Thu, 06 Aug 2020 11:45:02 GMT

I see that Ben Heck has been working on some automated face mask designs recently. Allows you to remove the mask when it is serving no useful purpose, whilst avoiding the need to touch the face. May be of interest.

Auto-Mask (Mark 1)

https://www.youtube.com/watch?v=DnJLAvsCGZU

Auto-Mask Mark 2

https://www.youtube.com/watch?v=uFkHNZ0hel0

RE: Do Masks Increase CO2 Intake?

beacon_dave — Thu, 06 Aug 2020 11:23:03 GMT

The cat appears to be showing symptoms of 'possible drowsiness'...

Is this where your exhaled CO2 ended up ? [View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-9cc600ab-ae5a-4e82-8450-f4b96853c4eb/contentimage_5F00_1.png:16:16]

RE: Do Masks Increase CO2 Intake?

Gough Lui — Thu, 06 Aug 2020 07:58:39 GMT

Caption: Do you see the CO2 yet? (cough cough ... furball)

- Gough

RE: Do Masks Increase CO2 Intake?

Fred27 — Thu, 06 Aug 2020 07:46:10 GMT

Another useful device for actually measuring the effect on you would be a pulse oximeter that measures the oxygen concentration in the blood. This obviously won't tell you if you're compensating in some way - e.g. breathing more heavily - but otherwise it will show what's happening to your body.

I've got a heart rate 4 click sensor so I'll try to dig this out and try it without a mask. However, after an Azure Sphere update my existing code no longer run as-is.