Maybe some do, but I know the current PNA series of Network Analyzers do not....unless you count the hard drives. HDDs do keep track of the number of hours they are turned on; as well as number of power cycles. So I guess, you could say that most modern instruments do keep track. Of course, if you replace the HDD, that data is lost.
I assume SSDs also keep track of the same info.
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--- In hp_agilent_equipment@..., "Susan" <susan@...> wrote:
Dear All,
Do the (more modern?) units keep a track of their power on time?
For example I am thinking of my 34410A...
???
Thanks.
Best wishes,
Susan.
