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What Type Of Particles Would Trigger An Ioniztion Type Of Smoke Detector ?

What Type Of Particles Would Trigger An Ioniztion Type Of Smoke Detector ? - Physics Forum

What Type Of Particles Would Trigger An Ioniztion Type Of Smoke Detector ? - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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  #1  
Old 05-05-2007, 11:25 PM
Robert11
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Default What Type Of Particles Would Trigger An Ioniztion Type Of Smoke Detector ?



Hello:

For an ionization type of smoke detector, is it only small particles of
combustion that will trigger it, or
most any type of particle in the appropriate size range ?

(if combustion particles only, what would be some examples, please ?)

Same question for a photoelectric type ?

Thanks,
Bob


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  #2  
Old 05-06-2007, 12:05 AM
N:dlzc D:aol T:com \(dlzc\)
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Default What Type Of Particles Would Trigger An Ioniztion Type Of Smoke Detector ?

Dear Robert11:

"Robert11" <[Only registered users see links. ]> wrote in message
news:[Only registered users see links. ]. ..

Sounds like most any particle that is small enough to get into
the "sensing area", but with high enough mass to accelerate less
readily than ionized oxygen or nitrogen.
[Only registered users see links. ]


Think of an infrared beam used to trigger a garage door or
security alarm. This too sounds like any parcticle.

David A. Smith


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  #3  
Old 05-06-2007, 12:05 AM
N:dlzc D:aol T:com \(dlzc\)
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Default What Type Of Particles Would Trigger An Ioniztion Type Of Smoke Detector ?

Dear Robert11:

"Robert11" <[Only registered users see links. ]> wrote in message
news:[Only registered users see links. ]. ..

Sounds like most any particle that is small enough to get into
the "sensing area", but with high enough mass to accelerate less
readily than ionized oxygen or nitrogen.
[Only registered users see links. ]


Think of an infrared beam used to trigger a garage door or
security alarm. This too sounds like any parcticle.

David A. Smith


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