[volt-nuts] HP 3458A DC current accuracy

Steve steve-krull at cox.net
Fri Jul 13 16:34:35 UTC 2012


I wouldn't lose any sleep over it, but maybe I'm not "nutty" enough for the current discussion :-o

Steve



On Jul 13, 2012, at 10:49 AM, Artekmedia <henderson47 at embarqmail.com> wrote:

> There are 1,209,600 seconds in a fortnight (14days/fortnight x 24 hours/day x 60 min/hour x 60 seconds/min) so the implied error is a bit less than 1PPM.
> 
> 
> Dave
> 
> "Experience keeps a dear school ..but a fool learns in no other" ..Ben Franklin
> 
> 
> On 7/13/2012 8:09 AM, Steve wrote:
>> But what if a leap second occurs during the fortnight the standard is being set? ;)
>> 
>> Steve
>> 
>> 
>> 
>> On Jul 13, 2012, at 7:22 AM, "Poul-Henning Kamp"<phk at phk.freebsd.dk>  wrote:
>> 
>>> In message<4FFFEBEC.8030802 at embarqmail.com>, Artekmedia writes:
>>> 
>>> Yes, I'd expect the last non-metric country in the world to go for that :-)
>>> 
>>>> Coulombs per fortnight to be sure :-)
>>>> 
>>>> On 7/13/2012 2:40 AM, Poul-Henning Kamp wrote:
>>>>> In message<CAE6XXrjKES2=BPCNyzOcbXFM73+4ztOTAkUEcTTaqTsDuvrJGw at mail.gmail.com>
>>>>> , Will writes:
>>>>> 
>>>>>> No practical quantum Ampere so far?
>>>>> It has always surprised me that the Ampere was not defined in terms of
>>>>> electron charges per second...
>>>>> 
>>>> -- 
>>>> Dave&   Lynn Henderson
>>>> Manuals at ArtekMedia.com
>>>> www.Artekmedia.com
>>>> PO Box 175
>>>> Welch,MN 55089
>>>> 
>>>> 
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>>> -- 
>>> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
>>> phk at FreeBSD.ORG         | TCP/IP since RFC 956
>>> FreeBSD committer       | BSD since 4.3-tahoe
>>> Never attribute to malice what can adequately be explained by incompetence.
>>> 
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> 
> -- 
> Dave&  Lynn Henderson
> Manuals at ArtekMedia.com
> www.Artekmedia.com
> PO Box 175
> Welch,MN 55089
> 
> _______________________________________________
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