[Lowfer] frequency counter calibration

[Douglas D. Williams]

No, I'm sure it does not.

Fill me in. ;-)

73, Doug KB4OER

On Fri, Jan 25, 2013 at 1:02 PM, Dexter McIntyre W4DEX
<dexter.mc at gmail.com> wrote:
> Doug,
> I bet you have all that is needed to calibrate the counter yourself.  I
> don't think that counter has an oven reference does it?
>
> Dex
>
> Douglas D. Williams wrote:
>
>
>> I found an old Optoelectronics hand held frequency counter, model 2810,
>> that I had almost forgotten I owned, in a drawer in my "electronics junk
>> closet". I remember buying this new probably ten or more years ago. The
>> built-in NiCad battery pack would no longer hold a charge, so I found a
>> replacement on Ebay for $16 + shipping. Got that soldered in and the
>> frequency counter is again operational, but I question it's calibration
>> after all these years. After contacting Optoelectronics, they want $75
>> plus
>> return shipping to calibrate it. "Calibrating" it simply involves
>> supplying
>> it with a known frequency standard of 10 MHz or greater and turning a
>> small
>> screw on the front of the unit. It doesn't even have to be opened up.
>>
>> Any of you gentlemen who own a GPS referenced 10 MHz or higher frequency
>> standard willing to "do a Bro a solid" and calibrate this unit for me? I
>> will of course ship it to you and include return shipping costs in the
>> box.
>> I have the manual and a suitable oscilloscope probe for connecting to your
>> frequency standard source.
>>
>>
>> 73, Doug KB4OER
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>
>
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