Well that's good news, then. I guess I assumed that '>100' implied
that resistance should read significantly higher than 100 ohms, though
not approaching infinite/open circuit. In this case, I go bravely on!
Thanks for taking the time to respond, Don, as well as to Mike, AB3AP.
Mark, KB3OKS
On Nov 26, 2007 7:30 PM, Don Wilhelm <
[hidden email]> wrote:
> Mark,
>
> If you had infinite readings on those that you marked 'XX', then they
> too are OK.
> Note the '>' symbol before the number - it means 'greater than', and
> infinity is greater than 100k ohms.
>
> The readings listed have to cover all meters and circumstances. An
> ohmmeter on a high resistance scale may respond to just your fingers
> across the probes, so it would be counterproductive to write a reading
> of 'infinity' in the manual - while '>100k' will cover most all meter
> situations while still revealing a short somewhere.
>
> 73,
> Don W3FPR
>
>
> Mark Lampert (KB3OKS) wrote:
> > I've just finished constructing my K1-4 filter board, and I'm failing
> > three of the resistance checks which are all reading infinite
> > resistance on my DMM:
> > OK -- P1 pin 1, P1 pin 2
> > XX -- P1 pin 3, P1 pin 4
> > OK -- P2 pin 2, P2 pin 4
> > XX -- P3 pin 1, P3 pin 3
> > XX -- P3 pin 8, P3 pin 6
> >
> > ... all others are OK, including all tests across U1. Meter looks ok
> > and is reading 0.1 Ohms when probes are touched together.
> >
> > Thanks very much for your time,
> >
> >
>
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