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Covering iR sensor Module

Discussion in 'Sensors and Actuators' started by bobdxcool, May 29, 2020.

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  1. bobdxcool


    Mar 9, 2012
    I am using an IR sensor module ( 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.[​IMG]

  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    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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