[time-nuts] Long term storage of HP5065A Rb frequency standard
paulswedb at gmail.com
Thu Oct 13 08:56:04 EDT 2011
Did look it up
The supply is .1v or so at 100 ma. It drives the thermo electric device. I
speculate it heats the bulb. That stops the flooding.
There is a recovery procedure if the cell has flooded also.
On Thu, Oct 13, 2011 at 8:05 AM, paul swed <paulswedb at gmail.com> wrote:
> One other comment.
> I have taken the rb package apart for repair and shared that info.
> I was very impressed with the quality and scale of everything.
> I speculate 10 years can have problems but I bet it can be made to work
> On Thu, Oct 13, 2011 at 8:03 AM, paul swed <paulswedb at gmail.com> wrote:
>> Yes I would believe many know the answer.
>> Its in the first few pages of the 5065 manual and you can get that at the
>> several sites free.
>> Its rb flooding as I recall. I remember the pix.
>> It explained what it is and what to do. I think there was a recovery
>> But do not recall the details.
>> On Thu, Oct 13, 2011 at 3:37 AM, Peter Bell <bell.peter at gmail.com> wrote:
>>> It just occured to me that if anyone knew the answer to this, they
>>> would likely be on this list.
>>> I remember that when you put the HP5065A into storage, you were
>>> supposed to unplug a little cable from the Rb cell and wire it up to
>>> an external power supply - does anyone know exactly what this did, why
>>> is was necessary, and what the likely likely outcome is if these units
>>> are stored for an extended period of time (> 10 years) in a fairly
>>> uncontrolled environment (I.E. and attic) without doing this?
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