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Acquiring Data from a Digital Thermometer

  1. May 31, 2012 #1
    Let me preface this by saying that I know very little of circuitry, signals, etc. I have also Googled/searched the forum for help using keywords that are related to this project but also vague enough that I could not find any useful results.

    I have a friend interested in how the temperature of a system changes over a long period of time with a time resolution such that it is impractical for her to record it manually. She has at her disposal a digital thermometer (see attached photo), Mac and/or Windows computers, and a limited amount of money to fund her project (within $100 or so). We are also both lightly experienced with soldering.

    Is there any way to input the signal from this simple digital thermometer to a computer, then use the computer to acquire the thermometer readout automatically over time (such as with an Excel macro)? If not, is there another way to accomplish this without purchasing expensive software/hardware made specifically for this purpose?

    Any help is greatly appreciated.
     

    Attached Files:

  2. jcsd
  3. May 31, 2012 #2

    russ_watters

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    Staff: Mentor

    You are better off just buying a logger. I think you can find one within your budget.
     
  4. May 31, 2012 #3
  5. May 31, 2012 #4

    dlgoff

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    Science Advisor
    Gold Member

    This little Temperature Data Logger only cost $79 and has good Accuracy (±0.5°C) and Resolution (±0.01°C).

    OM-63_l.jpg

     
  6. May 31, 2012 #5
    I wasn't aware such gadgets were so cheap. Thank you for the input(s)!
     
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