[volt-nuts] 3458A Zero reading

[J M]

I use a 8 oz styrofoam cup to isolate air currents around the 3458A terminals when zeroing with shorting bar


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iPhone....


> On Jul 27, 2015, at 2:57 PM, Richard Moore <richiem5683 at gmail.com> wrote:
> 
> 
> Randy — My 3458A manual specs 12 or 14 gauge solid copper wire for the short, bunt in to a U shape. I use 14 gauge. Poul-Henning’s comments about thermals are well-taken — even a simple folded up carboard shield helps. But I think you’re near the limit.
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