Re: Corrected Ignition coil measurements

• To: tesla-at-pupman-dot-com
• Subject: Re: Corrected Ignition coil measurements
• From: Hollmike-at-aol-dot-com (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Wed, 18 Nov 1998 18:39:19 -0700
• Approved: terryf-at-verinet-dot-com

In a message dated 11/18/98 7:10:17 AM Mountain Standard Time,
tesla-at-pupman-dot-com writes:

> I use a Fluke 77 DMM to measure frequency &
>  capacitance. It said my 470pf ceramic disk was .83nF. Realizing crapy
>  ceramic disk caps are often +/- 20%, I measured a few sub-nF polyester and
>  silver mica caps, marked 5% and 2.5%. My meter doubled the capacitance of
>  near all. But when I measured a 6800pf cap at .0071uF, and put the ceramic
>  cap in parallel, it measured .0076uF. Test equipment, like politicians &
>  salesmen, lie to you if you trust them.
>  
It sounds like you were touching the leads and causing an increase in the
measured capacitance.   If not, who knows?
Mike

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