[time-nuts] R&S XSRM Rubidium Standard

[Clint Jay]

I do enjoy the 'chase' of repairing things other people have discarded as
beyond economic repair, my CMU200 came with a rather amusing fault as well
as a good example of poor industrial design choice, it's now a very useful
piece of equipment.


I often scrounge faulty electronic equipment just for the fun of the
repair.

If I were buying test gear for a professional lab then I'd buy with
warranty and cal but for my use I prefer the 'mystery'

On 16 Sep 2017 08:25, "Adrian Godwin" <artgodwin at gmail.com> wrote:

> I almost always buy equipment that isn't working. It's fixing it that makes
> it interesting. What would I do with all the testgear if I didn't use it to
> fix the next bit ?
>
>
> On Fri, Sep 15, 2017 at 9:34 AM, Michael Prescott MSc <
> mike_prescott at hotmail.com> wrote:
>
> > I second Clint’s statement, most of the test equipment I’ve brought have
> > worked on switch on. I did buy a R&S CRTU with no LCD display and paid
> £400
> > for something which didn’t work I had a lot of deep thoughts. It turns
> out
> > CRTU was only nine years old and two months out of calibration, the issue
> > was an LCD back light anyway it still used using a separate display
> -hence
> > the price.
> >
> > I often look at the equipment brokers pieces than decide to return to the
> > ‘auction site and take the risk, I’ve only had a couple of issues and I
> > always had my money returned
> >
> > 73’s
> >
> > Mike G4WYZ
> >
> > > Experience has shown me that you can reasonably purchase good, working
> > test
> > > equipment that's well within calibration tolerances if you are buying
> the
> > > more 'common' equipment, 6.5 digit meters, frequency counters, even a
> > > Stanford SR620...
> > >
> > > I've been very lucky with those, two spectrum analysers and various
> other
> > > bits of test gear I'd never have been able to afford any other way,
> > saving
> > > thousands over what even tatty examples from equipment brokers would
> have
> > > cost.
> > >
> > > Yes, you can get bitten and buy a complete POS but you can also take
> > > sensible precautions and get bargains.
> > >
> > > On 14 Sep 2017 18:01, "Scott McGrath" <scmcgrath at gmail.com> wrote:
> > >
> > >> Its an unrealistic expectation that equipment from the well known
> > auction
> > >> site will work and be 'in-cal'
> > >>
> > >> Its realistic to anticipate several the purchase cost to get well
> priced
> > >> instruments back 'in-cal'. But hey if i spend 2 k on a sweeper 3 k to
> > fix
> > >> and cal it and BlahTest is charging 10k for a ready to go unit im
> Still
> > 5 k
> > >> ahead of the game
> > >>
> > >> Content by Scott
> > >> Typos by Siri
> > >>
> > >>> On Sep 12, 2017, at 12:10 PM, Dan Rae <danrae at verizon.net> wrote:
> > >>>
> > >>>> On 9/12/2017 5:58 AM, GandalfG8--- via time-nuts wrote:
> > >>>> A friend of mine has bought a just out of calibration R  & S XSRM
> > >> Rubidium
> > >>>> standard from one of the so called "recyclers" on  Ebay.
> > >>> Nigel / David,
> > >>>
> > >>> Sorry to hear of your "bargain".   However I doubt very much that the
> > >> lamp was made by R&S themselves, like with the Racal 9475 unit it was
> > >> probably sourced either as a module or as parts from someone like
> > Efratom
> > >> and one of those lamps will be found to fit. I'm not in a position to
> > help
> > >> much at present (just coming out of Chemo).  My Racal which was in a
> > >> similar or worse state when I got that, now comes to life when needed.
> > >>>
> > >>> Cheers,
> > >>> Dan
> > >>> _______________________________________________
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