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Covering iR sensor Module

bobdxcool

Mar 9, 2012
98
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Mar 9, 2012
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I am using an IR sensor module (https://www.amazon.com/HONG111-Infr...c-Reflection/dp/B06XKN15TT?ref_=fsclp_pl_dp_3) for my automatic dispenser system. Now, while mounting the IR sensor module in my enclosure, which material can I use to cover the IR sensor module which can allow the IR light to pass through below the glass for the hand to get detected.

I wonder what material is used to cover the IR sensor used in restroom flush systems.
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Harald Kapp

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Nov 17, 2011
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Typically a plastic transparent to infrared is used (black or very dark red to the naked eye). See e.g. here or here.
 
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