Products > Test Equipment
Keysight's new 34465A (6.5 digit) and 34470A (7.5 digit) bench multimeters
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HighVoltage:
I can do this test on my 34470A tomorrow
HighVoltage:
Here you go ....

I did a 10k 4W Ohms measurement for about 1 hour each with my 34470A in 100 NPL

10k-Resitor_Environment-Noisy.png
This was done with some WiFi, Cell Phone and DECT phone in the area around the setup.

10k-Resitor_Environment-clean-1.png
For this test, the instrument was about 10 m away from any high frequency noise

Alex Nikitin:
Thank you! It looks almost 10 times better than my measurements, isn't it? Will give a call to Keysight on Monday  :( . From my measurements it is also well out of the noise spec, if I'm reading it correctly... .

Cheers

Alex
dr.diesel:
I didn't read all of the documentation, but does the 34470A average at some point > 10 NPLC?
HighVoltage:

--- Quote from: dr.diesel on October 22, 2016, 01:00:43 pm ---I didn't read all of the documentation, but does the 34470A average at some point > 10 NPLC?

--- End quote ---
I was not aware of this and I am not sure if this is the case.

Here are two more graphs of the same setup with the 34470A in the same noise free environment for 2.5 hours at pretty much 24.5 degrees C the full time.
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