[Test-Equipment] KEITHLEY 179
Pete Lancashire
pete at petelancashire.com
Wed May 27 13:10:05 EDT 2009
> http://www.voltagestandard.com/
Would be interesting to put it (minus) the battery in a
disused dual chamber xtal osc can. Single chamber ones
are basically free if the osc is dead.
-pete
> Analog Devices makes some very good references.
>
> -John
>
> ==========
>
>> Hi again Nigel,
>>
>> That's an interesting reference source. I remember seeing what I'll
>> call "precision zener diodes", which are very similar. I don't
>> remember where I saw them off hand, or what their claimed accuracy is.
>>
>> Thanks again for the help.
>>
>> -ed
>>
>> On Wed, May 27, 2009 at 4:33 AM, <GandalfG8 at aol.com> wrote:
>>>
>>> In a message dated 27/05/2009 05:07:25 GMT Daylight Time,
>>> k9ew57 at gmail.com
>>> writes:
>>>
>>> Got it  !  Thanks Nigel.  Now to find a "DC  Calibrator".
>>>
>>>
>>> ---------------
>>> Glad you found it ok, and good luck with the calibrator.
>>>
>>> I bought a Fluke 760A a while ago at a seriously bargain price, but
>>> Â that
>>> reflected it also being a seriously heavy piece of kit with
>>> Â calibratione
>>> needs of its own that could keep me busy for ages:-)
>>>
>>> There's plenty of more modern kit available but often at a cost much
>>> Â more
>>> than the value of the meter you need to calibrate.
>>>
>>> Although not variable , so perhaps not a complete solution, I bought
>>> one
>>> of
>>> Â these as a 5 volt reference for confidence checks on my meters.....
>>>
>>> _http://www.voltagestandard.com/_ (http://www.voltagestandard.com/)
>>>
>>> It's good value and Doug, the seller, is a great guy to deal with, I'd
>>> certainly recommend it and him.
>>>
>>> Usual disclaimer, no vested interest just a happy customer.
>>>
>>> regards
>>>
>>> Nigel
>>> GM8PZR
>>>
>>>
>>>
>>>
>>>
>>>
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>
>
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