[volt-nuts] What's the probability of a random used 3458A passing a Keysight calibration?

[J. L. Trantham]

I think the only option for repair, out of warranty or out of repair agreement, is 'Per Incident' which the KS website lists as $2851.00.  This is a 'one charge fits all' kind of repair price.  It comes with a calibration as well.

It's what makes the repair agreement attractive as 'insurance' on such an expensive instrument.

Joe

-----Original Message-----
From: volt-nuts [mailto:volt-nuts-bounces at febo.com] On Behalf Of Dr. David Kirkby
Sent: Tuesday, January 16, 2018 5:35 PM
To: Discussion of precise voltage measurement
Subject: Re: [volt-nuts] What's the probability of a random used 3458A passing a Keysight calibration?

On 16 January 2018 at 23:06, Dr. Frank <frank.stellmach at freenet.de> wrote:

> Surely the AC errors if any must be associated with the A2 AC 
> Convertor
>>> board - 03458-66502?  >> Dave
>>>
>>
> Why should this be a hardware error???
>
> It's much much more probable, that this is a natural drift phenomenon.
> This is 'as found' and the 'as left' report is missing, that would 
> tell the whole story.
>
> Anyhow, this can very probably be adjusted by the regular calibration 
> process.
>
> Frank
>


But given that Keysight calibration includes adjustments free of charge, the fact it was not adjusted suggests that it can not be adjusted. The AC board 03458-66502 is obsolete, but the replacement (03458-66512)

https://www.keysight.com/my/faces/partDetail.jspx?partNumber=03458-66512

is $2243.00with a $439 trade-in. So the AC board price is $1794, which is not inconsistent with a 2100 Euro repair bill.

Dave
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