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    BMP855 - Can the BMP855 pressure sensor be used in food grade applications?

    BMP855 - Can the BMP855 pressure sensor be used in food grade applications?

    Nayland
    New Poster

    Hi, 

    BMP855 - Can the BMP855 pressure sensor be used in food grade applications where liquid that the user consumes comes into contact with the liquid sensor?

     The key is the materials of the gel/silicone.

    I've seen other manufactures such as Honeywell state that there pressure sensor MPRLF gel used is food grade and can be used in coffee machines etc but its not as accurate as the BMP855.

    Thanks

    Nayland 

    1 REPLY 1

    BSTRobin
    Community Moderator
    Community Moderator

    Hi Nayland,

    Do you want to measure the height of the liquid? What are the components of the liquid?
    If you want to measure the height of the liquid, you can refer to two examples of barometers measuring the height of the liquid. It does not require the sensor to contact the liquid directly, because the liquid may attach to the surface of the gel, affecting the accuracy of the sensor. https://community.bosch-sensortec.com/t5/MEMS-sensors-forum/BMP581-water-level-measurement/td-p/7181...

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