adsorbed onto the filaments as you described. Is it
>> worth
>>> powering up the filaments to get rid of them or can that be left for some
>>> indefinite time in the future when the tube could be reinstalled in a
>>> 5061A?
>>>
>>> Morris
>>>
>>>
>
> > -------
> > Date: Wed, 2 Dec 2020 11:06:22 -0800
> > From:
> > To: time-nuts@lists.febo.com
> > Subject: [time-nuts] HP5061 Cesium ion pump question
> >
> > The gettering in the tube is only for capturing
--
> Date: Wed, 2 Dec 2020 11:06:22 -0800
> From:
> To: time-nuts@lists.febo.com
> Subject: [time-nuts] HP5061 Cesium ion pump question
>
> The gettering in the tube is only for capturing any stray Cesium atoms
> that don't get caught in the main gettering patch. If the getter
the future when the tube could be reinstalled in a
> 5061A?
>
> Morris
>
> ---
> Date: Wed, 2 Dec 2020 11:06:22 -0800
> From:
> To: time-nuts@lists.febo.com
> Subject: [time-nuts] HP5061 Cesium ion pump question
>
> The gettering in the
@lists.febo.com
Subject: [time-nuts] HP5061 Cesium ion pump question
The gettering in the tube is only for capturing any stray Cesium atoms
that don't get caught in the main gettering patch. If the gettering fails
or gets too loaded up then the Cesium background level will get too high
causing poor SN
have a spare tube sitting here that hasn't been powered up for
> several
> > > years. It was removed from a junked 5061A that wouldn't start at all
> but
> > > after the unit was parted out some failed caps were found in one of the
> > > modules that could have e
Corby that explains what I have been seeing and wondering about over the
years I have had Cesiums. Get it all pumped down and then the next time I
get those bursts. I am letting a recent 5061 pump down. It seems to get
really dirty each time I start it but gets down to 16 on the meter after
some
The gettering in the tube is only for capturing any stray Cesium atoms
that don't get caught in the main gettering patch. If the gettering fails
or gets too loaded up then the Cesium background level will get too high
causing poor SN.
The ion pump is for any gases.
When a tube is off for
ith the +3500 V supply and microammeter but I don't know whether I can
> > trust the reading. If the tube in one of my functioning units fails one
> day
> > then I'll give it a try.
> >
> > Morris
> >
> > --
> > From: paul swed
>
---------
> From: paul swed
> To: Time-nuts
> Subject: [time-nuts] HP5061 Cesium ion pump question
>
>
> During my HP 5061Cesium testing last week I was watching the ion pump
> current and am curious.
> What is the typical behavior people see on the tube after say
with the +3500 V supply and microammeter but I don't know whether I can
trust the reading. If the tube in one of my functioning units fails one day
then I'll give it a try.
Morris
--
From: paul swed
To: Time-nuts
Subject: [time-nuts] HP5061 Cesium ion pump question
During my
During my HP 5061Cesium testing last week I was watching the ion pump
current and am curious.
What is the typical behavior people see on the tube after say 3 months of
being turned off.
With 3 units I see one that pumps doen from 8 to 2 in 40 minutes. Another
maybe at 25 and takes 28 hours to get
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