Hi Hui:
The HP 53132A is called a "Universal Frequency Counter" can count frequency at 12 digits per second, but that is not the
case when it is measuring time intervals. The human interface might be called user hostile.
The front panel of the SR 620 is marked "Universal Time Interval Counter" and is great for making time interval
measurements. That's why I traded my 53132 for the SR620. http://www.prc68.com/I/TandFTE.shtml#SR620
If you're doing Time Nuts measurements you probably have a good 10 MHz oscillator that you can feed into either of these
counters so getting an optional time base in one of them serves little purpose.
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
Hui Zhang wrote:
Dear Group:
I am intend to buy a second-hand counter, I have not decided yet between
SR625 and HP53132A, they have very close price in surplus market of here, so,
which is better choice? Any suggestion will be appreciated.
Best Regards!
Hui Zhang
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