[R-390] HP-410Bs and AN/URM-25s

[Gary Pewitt]

Bob, I would very much like a copy of the URM-25 refurbish procedures.  
Thanks very much.  73  Gary  N9ZSV


On 3/1/2012 12:35 PM, rbethman wrote:
> Ashley Hall, HMIC, (Head Mother In Charge),<Kiss-Electronics.com>,   no
> longer refurb or support the AN/URM-25s.
>
> However, She provided me with a parts list for what the used to do.  She
> also provided me *Their* procedure for refurbishing.
>
> I can provide this to any and all that desire this.  (If enough want
> this info, I'll put it on my site for download.)
>
> She and her crew are providing the equivalent services for HP-410s.
>
> I recently procured a DC probe for mine.  My HP-410B is a peculiar one.
> My probes are NOT soldered in under the chin.  Either a previous owner
> built a beautiful aluminum piece with banana jacks for ohms and common,
> and 1/4" Phone jacks for the DC and AC probes, OR it is a prototype.
>
> I don't know which, but it was done in a very professional manner.
>
> It makes thing a lot neater on the bench, as when not in use, the meter
> can sit on a shelf, and all the probes can be hung up out of the way.
>
> I've checked the HP-410B against known, 1% resistors, known DC source of
> 3.7VDC, and checked the AC by a known fixed voltage.
>
> The old gal is right up to snuff!
>
> Bob - N0DGN
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-- 
Gary Pewitt   N9ZSV
1500 French Prairie Rd
Booneville, AR  72927