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Probe resistance (Read 4,496 times)

LucaB Freshman Member Offline Posts: 10	Probe resistance Oct 16^th, 2011 at 6:12am Hello to all A question: On pico I never understood what is the probe resistance. I tried to do some measure of resistance, but it is always zero. Does anyone know the practical use of this probe? Thanks
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Tom Roberts Autonerdz Administrator Picogroup Offline Autonerdz Founder Posts: 8,595 Olympia Washington USA Gender:	Re: Probe resistance Reply #1 - Oct 16^th, 2011 at 9:23am Luca, Ignore the resistance probe in the loaded section. It should not be there.
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LucaB Freshman Member Offline Posts: 10	Re: Probe resistance Reply #2 - Oct 18^th, 2011 at 3:50pm Tom Roberts wrote on Oct 16^th, 2011 at 9:23am: Luca, Ignore the resistance probe in the loaded section. It should not be there. Hi Tom, and as a tool should be?
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Tom Roberts

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Re: Probe resistance
Reply #3 - Oct 18^th, 2011 at 4:25pm

There are PicoScope models that have this capability but that probe should not appear if your scope does not support it. Just a bug.

But...resistance is a generally useless measurement anyway. Voltage drop and current are much better as they test under dynamic load conditions.

Besides, you can graph resistance if you so desire by deploying a math channel using Ohm's law.

ECT_test_001.jpg (351 KB | )

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LucaB Freshman Member Offline Posts: 10	Re: Probe resistance Reply #4 - Oct 21^st, 2011 at 3:26pm With the response Tom, very nice. The resistance control in graphical form is useful when I unmount floating gasoline to control
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Tom Roberts Autonerdz Administrator Picogroup Offline Autonerdz Founder Posts: 8,595 Olympia Washington USA Gender:	Re: Probe resistance Reply #5 - Oct 21^st, 2011 at 3:52pm Quote: The resistance control in graphical form is useful when I unmount floating gasoline to control Huh?
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