[time-nuts] FE-5680A Rb Questions

Azelio Boriani azelio.boriani at screen.it
Fri Dec 16 08:36:28 EST 2011


Yes, of course, in that sense: the life must be restored at some time.

On Fri, Dec 16, 2011 at 2:29 PM, Chuck Harris <cfharris at erols.com> wrote:

> It has been pretty well shown that the lamp life is
> effectively infinite.  The only thing that happens to
> shorten an effective useful "campaign" of the lamp is
> when the Rb plates out on the lamp envelope, and
> renders the glass opaque.  That problem, however, is
> easily remedied, by heating the glass until the Rb
> evaporates, and then allowing it to redistribute to
> a more desirable position out of the optical path.
>
> Disassembly, and a heat gun are all that is necessary.
>
> -Chuck Harris
>
> Azelio Boriani wrote:
>
>> I think every Rb has a finite lamp life...
>>
>> On Fri, Dec 16, 2011 at 11:41 AM, Neville Michie<namichie at gmail.com>
>>  wrote:
>>
>>
>>> Does the FE-5680A have a similar Rb cell to the LPRO-101?
>>> If so do they have finite lamp life, (can you find the one you buy has
>>> little life left?)
>>> Or by not reporting the status of the lamp no-one worries about it?
>>> cheers,
>>> Neville Michie
>>>
>>> ______________________________****_________________
>>>
>>> time-nuts mailing list -- time-nuts at febo.com
>>> To unsubscribe, go to https://www.febo.com/cgi-bin/****<https://www.febo.com/cgi-bin/**>
>>> mailman/listinfo/time-nuts<htt**ps://www.febo.com/cgi-bin/**
>>> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>
>>> >
>>>
>>> and follow the instructions there.
>>>
>>>  ______________________________**_________________
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/**
>> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>
>> and follow the instructions there.
>>
>>
> ______________________________**_________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/**
> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>
> and follow the instructions there.
>



More information about the time-nuts mailing list