[MRCA] Technoweenie Stocking Stuffer
Tom B
tbryan at nova.org
Fri Dec 18 12:45:04 EST 2015
Hi Breck,
I agree. I blew up a similar device while working on a power supply. The
test leads are connected directly to the microprocessor. There was one
version that had a relay that shorted the inputs before you make a test to
make sure this doesn't happen.
Tom
N3AJA
> A caution - any of the new component testers will not tolerate a large
> value capacitor that has not been fully _discharged_ as they are
> sensitive to voltage. I personally would never measure a large value
> cap in one of these units. An example of a large value capacitor is a
> cap that is in the uF range for instance a 10 uF cap that would be used
> in a power supply filter.
> But for $15 bucks I guess we can take a chance. :-)
>
> These devices really come in handy when winding coils and you have a
> target inductance in mind much easier that using a impedance bridge.
> Just wind and measure then add or reduce turns.
>
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