Re: K2 resistance checks (and K1/KX1)

Posted by Brian Mury-3 on Jun 24, 2004; 12:56am
URL: http://elecraft.85.s1.nabble.com/K2-resistance-checks-and-K1-KX1-tp368058p368059.html

I had a resistance check that was supposed to be >500, I got around 370.
I thought, as you've said, that it was no big deal - turns out it was a
big deal. The resistance check not only indicated that there was a
problem, but also helped me know where to look.

The resistance checks can be useful.

On Wed, 2004-06-23 at 03:34, Dave Sergeant wrote:

> We see frequent mails on here from people doing the resistance checks
> in the manual and reporting they get (say) 100k when the manual says
> >500k or whatever. There is some implication in the manual that these
> values are set in concrete and you shouldn't proceed if they are not
> met to the letter. Of course we all know that they are checking for
> direct shorts or similar and measurements somewhat outside the values
> stated do occur and do not mean a catastrophic error.
>
> When measuring with a digital meter, which most of use, the value
> recorded when measuring components shunted by semiconductors,
> capacitors and other non linear things will differ enormously between
> different meters and nothing can be deduced from the reading other
> than it is not short circuit!
>
> I know there are comments in the manual that you may get different
> readings from those shown, perhaps that needs expanding a little. Or
> maybe in light of experience that most people have few problems in
> building their rigs the resistance tests should be omitted.
>
> 73 Dave G3YMC
>
> http://www.davesergeant.com
>
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--
73, Brian
VE7NGR

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