[volt-nuts] Calibration of 34401A

John Phillips john.phillips0 at gmail.com
Wed Oct 12 15:44:40 EDT 2016


The only problem could be that the current calibration is already using
most of the adjustment range making the required adjustment outside the
limits.

On Wed, Oct 12, 2016 at 4:32 AM, Illya Tsemenko <illya at xdevs.com> wrote:

> I had fixed 34401A before and DIY calibrate using on-hand sources, with
> calibrated 7.5d DMM as reference.
> Whole process can be visible on video - https://www.youtube.com/watch?
> v=9kukXTqhzsU if you like.
> So it's not a rocket science, but does need set of stable
> sources/calibrator.
>
> 12/10/16 17:53, Dr. David Kirkby (Kirkby Microwave Ltd) пишет:
>
> On 12 Oct 2016 10:31, "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
>>
>>> --------
>>> In message <120112818.2234439.1476263954443 at mail.yahoo.com>, Bruce
>>>
>> Griffiths wr
>>
>>> ites:
>>>
>>> Does anybody know if a 34401A can be adjusted by a competent 3rd party
>>>>
>>> lab,
>>
>>> or are the details of how to adjust the meter not available outside of
>>>> Keysight?
>>>>
>>> The service manual has the calibration procedure, and it is all software.
>>>
>>> --
>>> Poul-Henning Kamp       |
>>>
>> Cheers.  It seems that the lab is incompetent then, as none of the values
>> appeared to be in a massive difference
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>
>
>
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-- 

*John Phillips*


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