Hi Ulf Also you noted the bulb had the thermionic device, That's used for remigrating the Rb into the reservoir there is a procedure for doing it in the manuals on the web.
It can take up to a week to draw all the Rb back into the reservoir after long inactivity. Just make sure you use a well regulated power supply while doing this procedure Content by Scott Typos by Siri > On Sep 12, 2017, at 7:01 PM, paul swed <[email protected]> wrote: > > Totally agree with Scott. > On the lamp thats good it lights. > If you search older threads on Time-nuts you will see that on the FRS > rubidiums you can heat the lamp with a heat gun and re-migrate the RB off > of the glass. It makes them re-usable and extends the life very nicely. > I do not suggest doing this if the lamp lights and the system can be > recovered. Just something to know about. I have done this several times on > different FRS units. > > Wow now you have 2 5065s. Nice. > Regards > Paul > WB8TSL > >> On Tue, Sep 12, 2017 at 5:16 PM, Scott McGrath <[email protected]> wrote: >> >> I would say fix both units >> >> The color of the bulb is simply Rb vapor condensed on the walls of the >> envelope. >> >> 10811 units are fairly common at good hamfests and ebay >> >> Content by Scott >> Typos by Siri >> >>> On Sep 12, 2017, at 4:54 PM, Ulf Kylenfall via time-nuts < >> [email protected]> wrote: >>> >>> >>> What does the community say: Can the lamp still be useableas a spare, or >> is the color a sign of end-of-life? >>> I am considering either use this instrument as spare parts or tryto >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
