[time-nuts] Which HP Frequency Counter?
Pete
peterawson at earthlink.net
Sun Mar 9 01:44:13 UTC 2008
Jean-Christophe,
I have had a very good experience with my
Fluke PM6681 (aka Pendulum CNT-81).
They show up on eBay 2 or 3 times each
quarter, selling for US$600-800. Since they
are designed & produced in Sweden, I would
expect them to available more easily in Europe.
The PM6681 advertises 50ps single shot TI
resolution, but the GPIB data returns 25ps
data. The frequency mode produces 11 digit/s
readings.
Pete Rawson
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