[volt-nuts] HP-3458A Zero Reading

[Poul-Henning Kamp]

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In message <CANwu9JZP8Mb-PFS8qr7kfoBYjLgOEuc_0TQJbsvFw1XrNZC2Xg at mail.gmail.com>
, Randy Evans writes:

>A bit of a false lead.  I took the readings after an hour of warmup.
>However, after about two hours, the zero reading went to less thatn 0.2 uV,
>which seems just fine to me.  I guess i just needed to get a really good
>warmup time.

You may want to try to shade the terminals from air-movement when you
work in that range, thermal sensitivity is not negligble.

I had better luck using relatively thick (1.5mm^2) copper wire.


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