[ARC5] Capacitor Tests

Christopher Bowne aj1g at sbcglobal.net
Thu Jan 10 17:32:30 EST 2019


Thanks for a very useful hint & kink!

Sent from my iPhone

> On Jan 10, 2019, at 12:52, Rich Post <kb8tad at gmail.com> wrote:
> 
> You can hook up a digital meter on the volts setting in series with the cap.  The leakage after full charge up can be read directly from, for example, one of the cheap 1 megohm input Harbor Freight meters.  Every volt on that meter is one microamp of current.  I use that scheme to test tube-era cap checker sensitivity as described here:  
> <https://people.ohio.edu/postr/bapix/CapChkr2.htm>
> 
> Rich KB8TAD
> 
>> On Thu, Jan 10, 2019 at 8:51 AM Robert Eleazer <releazer at earthlink.net> wrote:
>> Relative to caps leakage as described by Robert Downs is it feasible to simply hook a miliammeter in series with a DC power source and measure that leakage?   I think I will give it a try this morning.
>> 
>> Wayne
>> WB5WSV
>> 
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