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I think they are, but it is still unclear.

58.165.233.158

In Reply to: RE: At least they are honest posted by Russ57 on August 27, 2015 at 15:50:51

I am hoping Keysight can provide some additional info so I know exactly what it can read and how accurately.

Their brochure states measurement from 0.1mV to 1000V. Their datasheet then introduces the 5 - 100% condition, which appears not to be clear going by the comments to this thread.

What I would expect is that it can read from 0.1mV to 1000mV (when ranged to mV), but its guaranteed accuracy is only applicable between 5% to 100% of that range. But, what I am seeing is that it may only read from 5%, which is misleading, whether intentional or not.

Otherwise, it seems like a nice (even extravagant) meter to have the kit for basic DIY.

Regards,
91.

"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein

Follow Ups:

RE: I think they are, but it is still unclear. - Garg0yle 19:04:18 08/28/15 (1)
I think it just means that the "True RMS" reading is only valid in that range. (5% to 100% of the range selected)
Your meter is accurate to 1% of 0.1mV (0.001mV)
However the last digit is accurate to 5 counts, so 0.001mV might actually read 0.005mV due to a resolution limit in the analog to digital converter for the display.
That is probably why the true RMS readings are off a little bit when measuring under 50mV.
Hope that clears things up.

Infamous sockpuppet

Edits: 08/28/15
- RE: I think they are, but it is still unclear. - 91derlust 13:58:41 08/29/15 (0)
  Yes, that is what I am hoping for.
  "Confusion of goals and perfection of means seems to characterise our age." Albert Einstein

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