[Test-Equipment] Simpson 269 Series III

[Barry]

Hi Ed,

Thanks for that information.  From what I've read, they also improved the meter movement in the Series III.  I don't have any other 269s so nothing really to compare it to except my 260s and Triplett 630 (which I like very much).

If I understood what I read elsewhere, I think the 22.5V battery is a different form-factor in the Series III but I don't have any other information to back that up.

I'm going to get this one Saturday so hopefully nothing's broken about it that the one picture I have of it wouldn't have shown.  I'm looking forward to opening it up and seeing if everything is intact.

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: k4pf at juno.com
> To: test-equipment at mailman.qth.net
> Sent: Wednesday, March 24, 2021 4:32:52 PM
> Subject: Re: [Test-Equipment] Simpson 269 Series III
> 
> 
> > Barry <n4buq at knology.net> wrote
> Anyone know what the differences are between the Series II and Series III?  I
> can see the Series III has a mirrored meter but not sure what other
> differences there may be. <snip>
> 
> Hi,
> 
> The 269 series 3 used standard banana plugs, the same as type 260 series 3,
> 4, 5, 6.  Earlier type 269's used pin jacks.
> Judging by my 1977 Newark catalog, the 269 series 3 scales
> didn't change from the earlier series.
> 
> I have a Simpson 269 (first version, ca. 1957)
> but must say I'm disappointed with the meter ballistics
>  - there is quite an overshoot when metering D.C. voltage.
> My Triplett 630-NS (a selectable 100K or 200K Ohms per volt VOM)
> does much better in that area.
> 
> 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.
> 
> 73,
> Ed Knobloch
> 
> 
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