Hello, Tuesday, July 30, 2013, 3:03:57, Bob Camp wrote:
>> 3) what is the typical life of such a unit? B> If it's run without a heat sink, about two years. B> If it's power off on the shelf, many decades. There was another "aging factor" mentioned in some documents that circulate around the net. Helium can diffuse from atmosphere through glass walls ans change buffer gas composition inside the cells. Run well cooled, >> 10 years for 90% of the units As I can see, my FRS-C still works well after approx 10 yrs on a cell site working 24/7 and 5 yrs sitting on the shelf. But lamp voltage that was recorded 5 yrs ago differs from the one that I measured when I put it back to work. It is lowered little bit. 73! Yuri UA3ATQ/KI7XJ -- Best regards, Yuri mailto:[email protected] _______________________________________________ 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.
