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Monitoring 12V Battery Current


SnowStorm
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I agree this is great data for someone to compare their data against and it's a relatively simple procedure to collect the data.

 

How did the 9V battery in the multimeter hold up?  What multimeter are you using?  Mine is probably 15 years old or more. It might be time for a new one that can record data.

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9V made it through two nights without a problem.  Meter is UNI-T model UT61D.  I chose it for the optically isolated data output and the 0.01 millivolt resolution on the lowest scale (most in this price range only go to 0.1).  It comes with an RS232 cable but there is supposed to be an optional USB cable available.  It seems to be an OK low cost meter but I haven't tested it much.  Bought through Amazon from RobotJoy.

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