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Carbon monoxide detector

331 Views 6 Replies 5 Participants Last post by  roughneck
Using a Field piece co detector (scm4) that I borrowed from work, after getting furnace done I was checking my house and I noticed around light switches it would light up and beep really fast & registering around 100ppm then quickly return to 0ppm just like a voltage detector would do. Could anyone explain what's happening. Thanks.
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Maybe it is picking up Ozone?

Electronic air cleaners can produce ozone and a electric switch is carrying current and maybe produces a tiny amount of ozone?

We don't know what technology Fieldpiece uses to read Oxygen molecules and maybe it gets confused.

I would e-mail them and see if their tech support or engineers can help you.

If you want to test the unit then put it near your car exhaust pipe.
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