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pressure sensor to detect vacuum breach - where to buy?

Discussion in 'Sensors and Actuators' started by peter888, Oct 19, 2014.

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  1. peter888

    peter888

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    Oct 19, 2014
    Does anyone know if there is a sensor I can buy which I could put in a vacuum bag that would detect if the vacuum is breached? E.g. from a tear in the bag.
     
  2. Colin Mitchell

    Colin Mitchell

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    Aug 31, 2014
    KrisBlueNZ likes this.
  3. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

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    Nov 28, 2011
    Is an electronic solution the best option? How about some kind of chemical-based indicator that changes colour when it absorbs moisture? Or something else like that? Have you done your due Google diligence?
     
  4. Colin Mitchell

    Colin Mitchell

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    Aug 31, 2014
    The cheapest is oxygen detecting crystals
     
  5. Gryd3

    Gryd3

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    Jun 25, 2014
    I guess that depends on the application.
    Vacuum forming would ideally use an electronic solution... same thing with perhaps fiberglassing.
    If your looking for long-term vacuum applications than it may be worthwhile to look at chemical solutions.
    More information would be welcome.
     
  6. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

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    Nov 28, 2011
    Sounds like a good idea. But how do you get them into the bag in the first place?
     
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