[volt-nuts] 3478A - Kelvin Klips

[Brooke Clarke]

Hi John:

A lot depends on how low.  I did a lot of testing using the 34401A DMM 
in 4-wire mode and determined that the DC method is not accurate below 
50 milliohms because of voltage generation.  This testing was done using 
the HP 11059A Kelvin lead set.
http://www.prc68.com/I/Kelvin.shtml
Links to Kelvin clips and part numbers at the bottom of the above page.

For 100 milliohms and lower you need to use an AC method, like the 4328A
http://www.prc68.com/I/HP4328A.shtml

Have Fun,

Brooke Clarke
http://www.PRC68.com


J. Forster wrote:
> A bunch of people on eBay sell knock-off Kelvin Klips. I'd like to get a
> set for 4-terminal Ohms with my 3478A.
>
> Does anybody have any experience on which are good and which are trash? I
> do have a slight preference for made-up lead sets w/ Bananna Plugs on the
> meter end.
>
> I am not interested in 8 digit accuracy, just being able to measure low
> ohms w/o contact issues.
>
> Best,
>
> -John
>
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