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water ph sensor — Parallax Forums

water ph sensor

ArchiverArchiver Posts: 46,084
edited 2002-10-25 16:33 in General Discussion
i was looking for a water ph sensor. also can anyone recommend a web
site to purchase sensors?

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2002-10-25 14:35
    I can second the Cole-Parmer stuff, I used a few of their sensors to
    monitor my pond at my last house. The Ph sensor was about $200, IIRC
    and was a little finicky for long-term submersion.

    On Fri, 2002-10-25 at 11:33, Ricky Konvicka wrote:
    >
    > I use Cole Parmer. They are a bit pricey but good quality stuff. I use
    several oakton probes and controllers and they are holding up very well testing
    wastewater. The controllers have a 4-20 ma output that I pick up a voltage off
    of and run to my A/D converter.
  • ArchiverArchiver Posts: 46,084
    edited 2002-10-25 16:33
    i was looking for a water ph sensor. also can anyone recommend a web
    site to purchase sensors?


    I use Cole Parmer. They are a bit pricey but good quality stuff. I use several
    oakton probes and controllers and they are holding up very well testing
    wastewater. The controllers have a 4-20 ma output that I pick up a voltage off
    of and run to my A/D converter.
    Original Message
    From: gjbachm
    To: basicstamps@yahoogroups.com
    Sent: Thursday, October 24, 2002 5:26 PM
    Subject: [noparse][[/noparse]basicstamps] water ph sensor


    i was looking for a water ph sensor. also can anyone recommend a web
    site to purchase sensors?


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