[Test-Equipment] Testing door knob capacitors

[Mike Manes]

Testing to breakdown may be destructive!  Better to verify the
capacitance and D at low voltage, then install 'em and see if they
get warm as you gradually increase the RF current running thru 'em.
73 de Mike W5VSI

Miles B. Anderson, K2CBY wrote:
> (1)	My recollection is that doorknob capacitors (which I last remember from
> TV high voltage supplies) almost never failed, so I think you are paobably
> safe in presuming them good.
> 
> (2)	Although it won't enable you to do a breakdown voltage test, something
> like a General Radio Megohmmeter will at least let you test accurately for
> leakage reistance at 500 volts or so.
> 
> (3)	If all else fails, try to find a neon sign transformer.
> 
> Miles Anderson, K2CBY
> 16 Round Pond Ln
> Sag Harbor, NY 11963
> k2cby at optonline.net
> 
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-- 
Mike Manes    manes at attglobal.net     Tel: 303-979-4899
"Things should be made as simple as possible, but not more so."  A. Einstein