[Lowfer] frequency counter calibration

[Dexter McIntyre W4DEX]

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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