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Thermometer calibration

Discussion in '2nd Gen. Tacomas (2005-2015)' started by nermalgod, Dec 17, 2008.

  1. Dec 17, 2008 at 5:27 PM
    #1
    nermalgod

    nermalgod [OP] Well-Known Member

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    Madison, WI
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    Not going to brag.
    This summer I realized my thermometer read 4 degrees higher than the actual temperature. I didn't think much of it as I've never trusted car thermometers. But now that winter has come, it still reads 4 degrees warmer than it should.

    So anybody have thoughts on calibrating the overhead thermometer?
     
  2. Dec 17, 2008 at 6:32 PM
    #2
    HerNameIsLucy

    HerNameIsLucy I miss Lucy. :-(

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    Where ya getting the "real" temp from? I have a professional weather station at home and it disagrees by a few degrees with the TV and various weather websites all the time. Think it's cause they take their readings at the airport....and I ain't at the airport.
     
  3. Dec 17, 2008 at 6:42 PM
    #3
    WildcatRider

    WildcatRider Well-Known Member

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    Mine does the same thing. 4-7 degrees all the time no matter what.
     
  4. Dec 17, 2008 at 6:59 PM
    #4
    nermalgod

    nermalgod [OP] Well-Known Member

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    Offroad boat hauler
    Not going to brag.
    Whenever I drive by a thermometer on a sign I now compare it to my truck's. Most banks around me have a thermometer on their signs. Guess it's for the small talk value. "So, you're out of money and it's cold out there."

    Anyway, my truck is always 4 degrees warmer than any thermometer I see along the road. Since it seems to be a standard deviation, this leads me to believe it can be corrected.
     
  5. Dec 17, 2008 at 7:04 PM
    #5
    HerNameIsLucy

    HerNameIsLucy I miss Lucy. :-(

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    She's gone but not forgotten.
    I'd put my money on the truck being right. Get yourself a DMM with a thermometer and check, I'd bet it's right and the banks are wrong.
     
  6. Dec 17, 2008 at 8:40 PM
    #6
    nermalgod

    nermalgod [OP] Well-Known Member

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    I do have a good thermometer I can check it against but haven't. Why? Because when one thermometer reads 4 degrees higher than 20 different thermometers, then it is more likely that the one is wrong versus the 20.
     
  7. Dec 17, 2008 at 8:46 PM
    #7
    dbbd1

    dbbd1 Well-Known Member

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    Too many variables.


    Ever been on a motorcycle, hit a cool pocket of air or felt the temp rise? It is close enough for me. Remember too, the sensor is on the front of your truck just before the rad. If you are not rolling, then it may be getting some transient heat from there.
     
  8. Dec 18, 2008 at 4:16 AM
    #8
    nermalgod

    nermalgod [OP] Well-Known Member

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    Offroad boat hauler
    Not going to brag.
    Stop telling me my thermometer is working. I know it is. My question, the one no one has even attempted to answer is can I reset it's calibration to read 4 degrees colder.
     
  9. Dec 18, 2008 at 6:53 PM
    #9
    dbbd1

    dbbd1 Well-Known Member

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    You know it is working, I know it is working but what I am saying is that maybe it is accurate.


    But to answer your question, no.
     
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