Products > Test Equipment
Fluke 185 Review
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shakalnokturn:
By now my Fluke 183 is good enough to call a 185, it has all the extra functions including the 30 memory allocations.

While reading around the forum to see what information could be found on these meters I came across member "giosif" who had read the EEPROM from his meter.
Although I hadn't been able to help at the time of his posts:

https://www.eevblog.com/forum/repair/help-calibrate-adjust-a-fluke-185/
https://www.eevblog.com/forum/repair/fluke-185-repair-attempt-_uncal_-startup-message/

A couple of PM's later I had his copy of the EEPROM and he had mine. I was hoping that I'd be able to spot the difference in the dumps between the two models.
Giosif beat me to it, trying my dump in his un-calibrated meter worked well and shut it up about being "uncal", but it was now more a 183 than 185. Anyway he spotted the difference quickly: Memory location h600 contains h01 for the 183/TX1 meters or h02 for the 185/TX3 meters. (I'd bet that all this can be changed in factory mode over I.R., unfortunately nobody knows how to get to it...)
Changing this on mine turned it into a 185 model -not quite- of course Amps position was now displaying a temperature.
Next rerouted the Temp. and Amp. switch positions and cut a chunk off the rotation limit.
n3mmr:
The OP says:

Calibration manual: http://www.transmille.net/ProCal/Procedure%20Library/Fluke%20Digital%20Multimeter%20185%20%5b1.10%5d/Technical%20Data/Fluke%20183-185%20(PN%201610436%20Rev%201%206-02)%20Calibration%20Manual.pdf

However, that link fails.

Has anyone got a copy to share, or an up-to-date link?

(I've got a Tektronix TX3, which is exactly the 185, and it's time to recalibrate..)
shakalnokturn:
Here's the calibration manual however it doesn't give much useful information for adjustment other than reference to the "MET/CAL-PROC/0008" (Fluke PN: 1620265).
n3mmr:

--- Quote from: shakalnokturn on January 21, 2022, 07:02:59 am ---Here's the calibration manual however it doesn't give much useful information for adjustment other than reference to the "MET/CAL-PROC/0008" (Fluke PN: 1620265).

--- End quote ---

Well.
Not very useful, I agree.

I'll have to try looking at the eeprom contents, unless the "calibration comments" returned over the IR port provides some clue.
DK ekectro:
 with modifying this dump file, the problem is that I can't change the label h01 to h02 ... I've tried several programming applications but I miss the last three column to display the address, so at the top of the program I only have; 0123456789ABCDEF columns, but I'm still missing these next three columns; 012, where in the end is the data needed for the modification ... Can anyone help with this problem ...? Thank you!
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