[time-nuts] Sulzer 2.5 For Sale

Ruslan Nabioullin rnabioullin at gmail.com
Sun Oct 22 15:55:52 EDT 2017


That system clearly is a rudimentary (simply based on amplitude)
failover controller---e.g., a shoestring setup could have an EOL
cesium standard (relatively-accurate but -unreliable) that's not on
UPS and a UPS-backed OCXO (like this unit) (relatively-inaccurate but
-reliable) connected to ``REF IN'' and ``STBY IN'', resp.  Honestly
this standard appears to be ancient and the high-level build quality
appears to be questionable.

-Ruslan

On Sat, Oct 21, 2017 at 10:05 PM, Richard Mogford <rchrdm at earthlink.net> wrote:
> Hello
>
> I am selling a Sulzer 2.5 frequency standard.It is rack mounted with a
> separate power supply and no battery.It also has an “Amplitude Fault
> System.”(I have not been able to find out what this does.) There is a PDF
> manual that I will send the buyer with the equipment.  The switch setting #4
> shows zero milliamps.
>
> I am not an expert in these devices by any means, but have been running the
> Sulzer for several days using John Miles’ excellent TimeLab software.I have
> pasted in below an Allen Deviation plot for three days of data collection.
>
> I will be selling the Sulzer on auction on eBay starting on Monday, October
> 23.The starting bid will be $200.Shipping may be around $50.
>
>
> Please contact me if you have any questions.
>
>
> Richard
> AE6XO
> rchrdm at earthlink.net
>
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-- 
Ruslan Nabioullin
Wittgenstein Laboratories
rnabioullin at gmail.com
(508) 523-8535
50 Louise Dr.
Hollis, NH 03049



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