[Test-Equipment] Simpson 269 Series III

[Barry]

That's very interesting.  I'll have to try that with one of my 260s!

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "Ron W4BIN Youvan" <ka4inm at gmail.com>
> To: Test-Equipment at mailman.qth.net
> Sent: Wednesday, March 24, 2021 5:20:11 PM
> Subject: Re: [Test-Equipment] Simpson 269 Series III
> 
> Ed Knobloch k4pf at juno.com wrote:
> 
> > The positive terminal of my Simpson 269 is the negative lead
> > for the Ohmmeter function.  I don't know if they continued that
> > in later versions.
> 
>    Actually the polarity of the leads in the Ohmmeter of a Simpson 260
> is dependent on the position of the DC Voltmeter polarity switch.
> 
>    This is not the case of Triplet meters, which is the only reason
> Simpson 260's became so
> popular.  Once the crocodile clips are attached to a diode (including
> the stud mounted
> kinds) you test forward es reverse by rotating the polarity knob back es
> forth es back.
> Very handy if you have 25 or 50 diodes in string assemblies to test for
> open es shorted
> diodes.
> --
>    Ron  W4BIN - Understanding is much better than
>                                      knowing how.
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