[volt-nuts] HP-3458A Zero Reading

[Mike S]

On 7/27/2015 7:54 PM, Bill Gold wrote:
> You will observe that the HP/Agilent/Keysight manual for the 3458A
> does not give any "zero" stability specs, at least that I can find.

On DC 100 mV range, the standard model is spec'd for 14+3 ppm of range @
2 years from calibration, not considering temperature. That's 1.7 uV,
from my reckoning. The OP's reading of 0.7 uV is well within that - it
even beats the 90 day spec.