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Amp Recorder

Discussion in 'General Electronics Discussion' started by John Robinson, Mar 27, 2016.

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  1. John Robinson

    John Robinson

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    Jan 30, 2016
    I have a Compressor fridge in my RV. I want to see how long it stays on during the day. It is 12 volt but I can plug the RV into 120 volts. What type of instrument would I use to record the amps that are used? I could then interpolate that information to see how long it runs.
     
  2. davenn

    davenn Moderator

    13,883
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    Sep 5, 2009
    hi John

    recording the current flowing ( which is an instantaneous thing) wont tell you how long the unit has been on for

    it could be done with voltage or current indirectly and using a datalogger to a laptop etc ... that would work


    D
     
  3. John Robinson

    John Robinson

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    0
    Jan 30, 2016
    D, thanks. I was thinking if I recorded the total amps used over a period of time and I know the amount of amps the frig draws I could calculate the time the unit was running.
     
  4. John Robinson

    John Robinson

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    Jan 30, 2016
    D: I think this unit would work. What do you think?
    P3 P4400 Kill A Watt Electricity Usage Monitor
     
  5. davenn

    davenn Moderator

    13,883
    1,966
    Sep 5, 2009

    have you a link to it ?
     
  6. Bluejets

    Bluejets

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    Oct 5, 2014
    Last edited: Mar 28, 2016
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