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  1. #1
    Join Date
    Dec 2004
    Location
    Delta BC
    Posts
    18
    We are looking for low temp [-200 C] transmitters to work on 4 to 20 ma or lon

    anyone come across this before.

    we also need to meet NIST standards.
    Tom
    Tom

  2. #2
    Join Date
    Feb 2005
    Posts
    1,218
    Look in here, they have the high side but not the low, but may be they can do something for you.
    Just a thought.
    http://www.neurologic-research.com/model_1100.htm

    Or try this:
    http://www.omega.com/ppt/pptsc.asp?ref=CY7&Nav=temt01
    you will need to get appropriate converter.



    [Edited by amigo on 03-09-2005 at 03:20 PM]

  3. #3
    Join Date
    Dec 2004
    Location
    San Francisco Bay Area
    Posts
    467
    I commonly monitor low-temperature medical research freezers using products from Automation Components, Inc. http://workaci.com/

    Specifically find the ACI/1K-LT. They'll range the 4-20mA output down to -200C, no problem.

  4. #4
    Join Date
    Dec 2004
    Location
    Delta BC
    Posts
    18
    Excellent. I like the lon sensor and we are on our way.

    Thanks for your help

    Tom
    Tom

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