[volt-nuts] 3458A question

[David C. Partridge]

Correction to -0.00060mV to -0.00070mV

Dave

-----Original Message-----
From: volt-nuts [mailto:volt-nuts-bounces at febo.com] On Behalf Of David C. Partridge
Sent: 10 January 2018 10:14
To: 'Discussion of precise voltage measurement'
Subject: [volt-nuts] 3458A question

After running an ACAL 0 with a four wire short in place I get a DCV reading starting at about  -0.00005 mV to increasing to about 0.00060 to 0.00070 mV over a minute or so at which point it seems to stabilise.

Is this "normal" and if not what could be wrong (AZERO is turned on).

Dave

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