Reading temperature on Protrek PRG-110
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  1. #1
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    Reading temperature on Protrek PRG-110

    I just bought a Protrek PRG-110Y. I have a question. When I want to know the temperature, I press "Baro" button to read the temp and it showed 31.4 C.
    But I know that the temperature at that time is 24.0 C not 31.4. (as in the watch on my wrist). At first, I wanted to calibrate but the manual said that I should take it off the wrist and wait around 30 minutes to have the more accurate reading. I did as the manual tell me and found that after waiting around 30 minutes, the temp read from the watch came very near to reference temp (24.0 C).

    Am I wrong to conclude that..
    1. If I want to know the reasonably accurate temp, I should take off the watch from my wrist and wait for 30 minutes or
    2. I can just compensate by subtract certain amount from the reading on my wrist. For example, in this case I will subtract 7 from the reading to get the
    (more or less) accurate temp.

    Please correct me if I am wrong. Or if you have the right way to read the temp or other figure from the Protrek, please tell me. I am new to ABC watch.

    Just another question, if I use Sunnto or other ABC watch, will I meet the same situation?

  2. #2
    LUW
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    Re: Reading temperature on Protrek PRG-110

    Quote Originally Posted by thjk View Post
    1. If I want to know the reasonably accurate temp, I should take off the watch from my wrist and wait for 30 minutes or
    That's why a thermometer on a wrist watch is useless.

    Quote Originally Posted by thjk View Post
    2. I can just compensate by subtract certain amount from the reading on my wrist. For example, in this case I will subtract 7 from the reading to get the
    (more or less) accurate temp.
    If you know your body temperature at the time of measurement you could do that.

    But as I said, a thermometer on a wrist watch (of whatever brand) is a just a gadget, nothing really practical to use .
    capt_RENGT likes this.
    Cheers!
    Luciano

  3. #3
    lvt
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    Re: Reading temperature on Protrek PRG-110

    Quote Originally Posted by thjk View Post
    1. If I want to know the reasonably accurate temp, I should take off the watch from my wrist and wait for 30 minutes or
    2. I can just compensate by subtract certain amount from the reading on my wrist. For example, in this case I will subtract 7 from the reading to get the
    (more or less) accurate temp.

    The method [1] will work for all situations while the second may lead you to wrong results if your surrounding temperature drift too much, for example you can't use the 7°C substraction method when you are at a place where the temperature is -10°C or +50°C.
    Ball - Casio (G-shock) - HMT - Longines - Parnis - Seagull - Steinhart - Tissot - Victorinox - Yema

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