[time-nuts] COTS cesium standard physics package life
paulswedb at gmail.com
Thu Sep 29 14:16:28 EDT 2016
The tubes were never intended to last 10 and more years. Bad for business.
The reality as time-nuts have discovered is that they do. What you have in
this group is an amazing knowledge of how to keep them ticking. Pun
The comment of raising the oven temp is exactly how I was able to get my
5061 going again.I took this somewhat to an extreme and the crazy thing
works and relocks even today. But here I suspect that the downside of
raising the temp is that it may also shift the frequency or transparency as
a better statement.
Talk about in the noise. Really can't see current.
On Thu, Sep 29, 2016 at 1:46 PM, Ruslan Nabioullin <rnabioullin at gmail.com>
> On 09/29/2016 11:45 AM, Scott McGrath wrote:
>> It depends on the beam tube There is a fixed amount of Cs in any
>> given beam tube this pool of Cs is consumed during operation. Once
>> the Cs is depleted the tube will no longer function. It's possible
>> with intermittent use for the tube to run for decades as long as
>> vacuum maintenance is performed. Most Cs tubes have a published
>> expected lifetime before replacement is required while maintaining
>> published specifications. It's possible to extend tube life
>> somewhat by increasing oven temp and electrode voltages but the
>> signal becomes noisier as a result
> Aha, that's what I was thinking---the manual was misleading and made no
> sense in this regard. Thanks!
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