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Looking for information about smoke sensors

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ednan

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Need a information about smoke senser...
 

Re: Smoke senser/....

can anyone suggest any brands mostly used ?
 

Re: Smoke senser/....

there are 2 main types - One use an led and optical sensor to 'see' the smoke. The other uses a small piece of radioactive material inside a small metal cage. When smoke enters the cage the particles become ionized and this can be easily detected
 

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