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need some help looking for a pressure gauge — Parallax Forums

need some help looking for a pressure gauge

smk8ersmk8er Posts: 13
edited 2006-01-24 21:54 in BASIC Stamp
I need to get a pressure gauge to use on my BS2 to read depth in feet. Any help pointing me in the right direction would help loads! Any one out there have any ideas and a sample code? Thanks in advance for your time!

Comments

  • Kevin WoodKevin Wood Posts: 1,266
    edited 2006-01-23 08:29
    How deep do you need to read?
  • smk8ersmk8er Posts: 13
    edited 2006-01-23 12:58
    I would like something near 200 feet or anything close. I am building a ROV and need to measure the depth it's at. Thanks for your help!
  • steve_bsteve_b Posts: 1,563
    edited 2006-01-23 13:33
    What's the typical pressure at that depth? Hundreds of pounds....??

    There's Setra as a mfgr...but I'm sure they're costly!
    http://www.setra.com/

    Do you want to read pressures? or a specific pressure trip point? ... if the latter, you could use a well pressure switch....set it for a certain pressure and there ya are!

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    ·

    Steve

    "Inside each and every one of us is our one, true authentic swing. Something we was born with. Something that's ours and ours alone. Something that can't be learned... something that's got to be remembered."
  • smk8ersmk8er Posts: 13
    edited 2006-01-23 22:46
    No i need it to read different pressures at different depths.
  • jpylejpyle Posts: 41
    edited 2006-01-24 00:58
    ···You could consider·the pressure·sensor from a digital tire pressure guage· -about $10.00 to $15.00 .· I have not hacked mine yet, however it should not be too·hard to get a useable signal. I am fairly sure that it is rugged enough to do what you want, b ut I do not know if it has enough range. Do you know what the P.S.I is at 200 feet?·
  • Larry~Larry~ Posts: 242
    edited 2006-01-24 20:49
    could it be

    86.6 psi @ 200 ft
  • metron9metron9 Posts: 1,100
    edited 2006-01-24 21:54
    Google : "digital pressure sensor waterproof"

    http://www.paroscientific.com/oceanography.htm


    or DIGIKEY
    $90.00 any range you need
    http://rocky.digikey.com/WebLib/Measurement Specialties Inc/Web Data/MSP-400 Series.pdf

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    Think outside the BOX!

    Post Edited (metron9) : 1/24/2006 10:01:16 PM GMT
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