[Lowfer] frequency counter calibration

[Douglas D. Williams]

On further thought,  and discussion, I very much doubt this frequency
counter's precision will be anywhere equal to my needs, even if
calibrated by the most precise standards available now.

So.....I will pursue other methods.

73, Doug KB4OER




On Fri, Jan 25, 2013 at 12:53 PM, Douglas D. Williams <kb4oer at gmail.com> 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