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Keysight's new 34465A (6.5 digit) and 34470A (7.5 digit) bench multimeters

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6thimage:

--- Quote from: LA7SJA on March 21, 2015, 06:55:44 am ---
--- Quote from: 6thimage on March 20, 2015, 01:02:49 pm ---I have had an update about the 34461A's firmware:


--- Quote from: Keysight ---Unfortunately the firmware release has been delayed until further notice as the engineers are performing some additional tests to make sure the firmware works as per the expectations

--- End quote ---

This has come from their contact centre, so I think "to make sure the firmware works as per the expectations" means they found a pretty significant bug in it. If they are fixing a bug, then it might delay the release further - as I get the impression that their firmware testing procedure takes a while to run.

--- End quote ---

The update has  arrived  :-+

2015-03-16 2.08 Update to add additional 34460A/34461A functionality and fix miscellaneous 34460A/34461A/34465A/34470A defects.

I have not installed this yet, I thought I should notify the forum first!
JFG

--- End quote ---

That's good news - it's nice to know that the contact centre always has accurate information :palm:

6thimage:

--- Quote from: HighVoltage on March 21, 2015, 10:48:44 am ---Here are two pictures after the FW update to v2.08, in comparison to a 33461A with the FW v1.10

Top instrument: 34461A, FW v1.10
Middle instrument: 34461A, FW v2.08
Bottom instrument: 34470A, FW v2.08

It seems the trend-chart received a higher resolution (one more digit) on the 34461A, which is really nice, to say the least.
All three instruments are set to the same setting and on the same voltage source

The dual display works excellent on the 34461A

--- End quote ---

Are both of the 61As scaled in the same way? It looks like the top 61A hasn't been auto-scaled.

EEVblog:

--- Quote from: HighVoltage on March 21, 2015, 10:48:44 am ---It seems the trend-chart received a higher resolution (one more digit) on the 34461A, which is really nice, to say the least.
The dual display works excellent on the 34461A

--- End quote ---

Those are really nice firmware upgrades!  :-+

HighVoltage:

--- Quote from: 6thimage on March 21, 2015, 12:57:31 pm ---
Are both of the 61As scaled in the same way? It looks like the top 61A hasn't been auto-scaled.

--- End quote ---
Top one was auto-scaled
It is confirmed by the upper, lower values on the scale to the left
Upper (max) value: 5.000 5 V
Lower (min) value: 5.000 4 V
On the old firmware there was no more resolution in between
Adding the extra digit added the extra resolution on the vertical axis.

The new FW v2.08 shows now on the left of the trend chart:
Upper (max) value: 5.000 48 V
Lower (min) value: 5.000 47 V

This is really great and something I did not expect from a firmware upgrade

It seems like we are now having the following resolution on the trend chart:

34461A, FW1.10 +/- 100 uV Resolution
34461A, FW2.08 +/- 10 uV Resolution
34470A, FW2.08 +/- 1 uV Resolution

rosbuitre:
Hi
Content with the new version of firmware  :-+ (34461A)
But I have a question, someone I can clarify why says Time since last calibration: 808 days ??, .......
Buy less than a month ago a representative of Keysight on Argentina

Regards

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