[time-nuts] COTS cesium standard physics package life
Ruslan Nabioullin
rnabioullin at gmail.com
Thu Sep 29 17:46:54 UTC 2016
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!
-Ruslan
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