[time-nuts] SR620 - any gotchas buying a used one?

Hui Zhang ba6it at 163.com
Fri Nov 21 21:34:38 EST 2014


Hi Bob:
    I agree with you. But the chapter is a easy way to check your new counter when it arrived, and it's not only a calibration of just self test, it's testing counter's performance on some level.




Regards.




Hui Zhang 



At 2014-11-22 10:22:53, "Bob Camp" <kb8tq at n1k.org> wrote:
>Hi
>
>Probably the best information out there on setting up a SR620 is buried in the archives of this list back a few years. The back and forth required on some of the adjustments is far from obvious. You do need to start from the manual and get it as far as the manual will allow. You then go into the “Time Nuts advanced” procedures. 
>
>Bob
>
>> On Nov 21, 2014, at 9:19 PM, Hui Zhang <ba6it at 163.com> wrote:
>> 
>> The SR620's manual is perfect, there is a whole chapter has detail information of performance test. You can use that way for check the counter's condition.
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>> Hui Zhang
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>> At 2014-11-22 07:51:41, "Dr. David Kirkby (Kirkby Microwave Ltd)" <drkirkby at kirkbymicrowave.co.uk> wrote:
>>> After regrettably selling my 5370B a few years ago, I decided to look for a
>>> used SR620.
>>> 
>>> Are there any particular issues with these that could be tested by the
>>> seller prior to shipping it? I have not downloaded the manual yet, but I
>>> assume there's a basic test in there - probably similar to that in the
>>> 5370B manual.
>>> 
>>> Were these available with a Rb oscillator?  I see a seller on eBay that he
>>> has some Rb ones for $1500 extra, but I don't see it as an option on the
>>> SRS web site.
>>> 
>>> Dr David Kirkby
>>> Managing Director
>>> Kirkby Microwave Ltd
>>> Registered office: Stokes Hall Lodge, Burnham Rd, Chelmsford, Essex, CM3
>>> 6DT, United Kingdom
>>> Registered in England and Wales as company number 08914892
>>> http://www.kirkbymicrowave.co.uk/
>>> Tel 07910 441670 / +44 7910 441670 (0900-2100 GMT)
>>> _______________________________________________
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