Posted by John T on September 03, 2007 at 15:49:48 from (66.244.83.147):
In Reply to: Re: Condensor farmall b posted by Janicholson on September 03, 2007 at 14:48:32:
Jim, I know what youre saying buttttttttt Ive expereinced the old fashioned "kickback test" (like youre thinkin) only works on analog ohm meters (for me at least so you actually observe the needle swing versus flashing numbers lol) and thennnnnnnn its also necessary to use like the R x 10,000 scale to observe the initial charge up (where meter fitst swings towards 0 ohms as shes drawing charge up current) but then "kicks back" to infinity ohms (open circuit) once the condensor is charged.
I tell people to first set the meter on the R x 1 range and it should read infinity ohms PERIOD (or its a bad shorted condensor). NEXT to observe the "kickback" set it on the R x 10,000 range (discharged condensor) and when you attach the leads it ought to initially swing towards 0 ohms (likely never reach it however) but then kickback towards infinity ohms once shes charged up.
As you indicated, this ONLY tells if a condensor is BAD (like shorted or dont draw initial charge up current) but does not tell you if its good i.e. she can breakdown at higher voltage and just cuz it passes the ohm meter test dont really tell you if its good or not as a true capacitor checker which shows capacitance n leakege etc
Your thoughts please,,,,,can you use a digital meter n tell as much???????????? Im NOT experienced with a fancy digital meter is why i ask, I prefer the old reliable Simpson 260 wooooo hoooooooo
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