[time-nuts] Re: Question: Efratom FRK-L Rubidium Standard

[Bob Camp]

Hi

To some extent, “lamp dies” is a generic excuse for the physics package dying. The issue
may or may not be this or that chunk of it. As noted in other posts, lamps do wear out / go 
black from Rb defusing into the glass. There are other things that could happen.

Bob

> On Aug 28, 2023, at 3:59 PM, Hal Murray via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> 
> Razvan Popescu said:
>> It depends on the lamp life left... The majority of the FRK-L units I saw
>> have a date code from '84 to '92 and if they were powered on 24/7 probably
>> not much life is left in the lamp. 
> 
> What wears out in a Rb lamp?
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
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