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Thread: temp probe?

  1. #1
    Join Date
    Jul 2005
    Posts
    6
    I have a dial gauge, digital gauge and a expensive digital multi tester. put all three in a glass of ice water to see which one is accurate. dial guage reading is 34*, digital gauge say's 32* and multitester gauge reads 30*. which is closest to the correct temp?
    thanks to all
    txg

  2. #2
    Join Date
    Sep 2004
    Posts
    3,157
    well I think I can help you eliminate one of your pieces of test equipment. If you put your digital multimeter in water---you ruined it

  3. #3
    Join Date
    Jul 2005
    Posts
    6
    mac multi tester has the same wire probe as fluke.
    I didn't dunk the tester in the water just the probe.

  4. #4
    thats why i like fluke, they're water-proof

  5. #5
    Join Date
    Jun 2005
    Posts
    71
    If the glass is about half ice, and well mixed (keep stiring while the probe is in) it should be 32 deg: just keep the probe in the water near the bottom of the glass, not on the ice (you can use a weight like a fishing sinker to hold it down).....

  6. #6
    Join Date
    Jul 2005
    Posts
    6
    Thank you!
    txg

  7. #7
    Join Date
    Jul 2002
    Location
    St Paul, Minnesota
    Posts
    3,468
    If all the probes were in exactly the same spot for a period of time, they would probably read 32 but they were not and so cannot.

  8. #8
    Join Date
    Jun 2005
    Posts
    71
    Originally posted by MikeJ
    If all the probes were in exactly the same spot for a period of time, they would probably read 32 but they were not and so cannot.
    That's why you stir the water.....

  9. #9
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,271

    Question Accurate

    Also Test at Room Temperature with
    Certified, CALIBRATED Gauge.
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

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