Do carbon monoxide detectors use radiation?

carbon monoxide detector 40 image

I need to do a science project for my school, and I have a Geiger Counter so I figured I could use that, I'm aware that smoke detectors use radiation to detect smoke, but I don't have a spare smoke detector to take apart to get the radioactive material, I do have a spare carbon monoxide detector but I'm not sure if that also uses radiation?

Answer
No, they don't use any radioactive substances.

I'd try using granite and other Uranium and Thorium containing minerals, also potassium based fertiliser or salt substitute (Potassium 40 is radioactive and naturally present in all potassium) and gas lantern mantles containing thorium (some gas mantles use less efficient or more expensive alternatives due to fear of radiation).

My carbon monoxide detectors wont stop beeping they go off every 40 secs or so can you help?

Stizz84

Well there is one in the front room and one close too the garage im pretty sure its a problem with the detectors but its also got wires in them.. how would i go about replacing them or possibly dewire them as well?
the wires Are electrical ones so they are hot
I am very comfortable working with electricity as i have worked with 480 before so the house power is also dangerous will i need to replace them or could i fix the ones I got

Answer
What are the odds that they are all defective?

It is one of 2 things.

1. Carbon Monoxide.
2. Something in the power.

Go buy a CO detector with seperate power to test with.

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