Le 29/08/2010 04:26, Hal Murray a écrit :
Have a pair of Z3801a receivers and GPSCon. The running time readout for
both is greater than 16,000. They were around 5,000 when I got them from
somewhere south of here.
I assume the units are hours, but my copy of the manual doesn't say what the
units are.
Units are three hour periods - See the 58503B Operation and programming
guide, 5-71
HP were pretty confident in the lifetime of their product as they allow
a 4Gig count before rollover.
The are built for the telecom industry. I'd expect most of them to last
10-20 years.
There is nothing inside that obviously wears out. The electrolytic caps may
be the weak link.
365*24 is 8760 so 16K is only 2 years. Youngsters.
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