Electronics > Beginners

Logging a voltage and a current in the same time

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AlexResch:
Found this :

https://www.picotech.com/data-logger/picolog-1000-series/multi-channel-daq

I wonder if it'll do the job. Does anybody have any experience with it ?

IanB:

--- Quote from: joeqsmith on September 06, 2018, 05:21:01 pm ---Many of the cheap ones can only sample once per second.  You may need to synchronize and stagger them to get the sample rate up.   Ten UT61Es should do the job.    :-DD

--- End quote ---

I had good luck with the (now discontinued) Radio Shack model 22-812. When you enable send on the COM port it sends out a continuous stream of data at a rate of 4-5 samples per second. By using USB to COM port adapters I can have as many COM ports on my host machine as I need to plug the meters into.

I have rarely had a need to sample more than about once per second, so I wrote the software to accumulate readings in the background at the maximum sample rate and then log average/max/min for each recording interval. My typical recording intervals have been from 1-10 seconds.

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