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cheap laptop voltmeter datalogger?

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  • cheap laptop voltmeter datalogger?

    does anyone know where you can get a voltmeter that you can plug into a laptop for datalogging, the best i have found is EA-18B dvm on ebay for about $25
    i dont need all the functions all i need is a voltmeter for data logging charging discharging batteries, what are people using?
    thanks

  • #2
    A CBA 4 will work wonders not cheap though http://www.westmountainradio.com/cba.php

    Tom C


    experimental Kits, chargers and solar trackers

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    • #3
      i wasn't really after a battery analyzer, just a cheap voltage data logger,
      thanks for the suggestion tho.

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      • #4
        Wondering if anybody on the forum has tried the LabJack U3-HV?

        http://labjack.com/catalog/u3-hv

        The documentation said it can support 4 Analog Inputs from -10V to +20V. Not sure if you need to write any custom software to get that. This product seems perfect for all sorts of logging and controlling external hardware like relays for battery swapping. The ADC for the voltage measurement is 12 bits which should be fine for our experiments. If anybody is using it do you mind sharing your experience with it. I am thinking about getting it for data logging purpose.

        Kamen

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        • #5
          http://www.dataq.com/data-logger/data-logger.html


          experimental Kits, chargers and solar trackers

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