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UNI-T UT61E Multimeter teardown photos.

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Thilo78:

--- Quote from: Didix on January 04, 2015, 03:00:18 pm ---
I would be happy, if somebody has tried this out before ..

Well, actually I could buy the second UT61E with a serial interface.
Did somebody try that case? (one connected with USB and the other witch RS232 to the same computer)

-Didix

--- End quote ---

Hi Didix,

can't tell for the UT61E, but I just tried with my UT71E, both connected via USB.

I just opened the software twice and was able to display both meters (see screenshot).
Second window comes up with an error, but it doesn't seem to matter.

Hope it helps

Thilo

edit: Remark: Just a very, very quick test.  :-DMM

crystal:
I wonder does this latest UT61E pcb version overshoot when meausuring volts. Usually meters with weak input protection overshoots, so this latest version with improved protection should perform better.

Didix:

--- Quote from: Thilo78 on January 04, 2015, 03:13:00 pm ---Hi Didix,

can't tell for the UT61E, but I just tried with my UT71E, both connected via USB.

I just opened the software twice and was able to display both meters (see screenshot).
Second window comes up with an error, but it doesn't seem to matter.

Hope it helps

Thilo

edit: Remark: Just a very, very quick test.  :-DMM

--- End quote ---

Thanx so far Thilo!

Yes, the software can start up twice.
And it tells us, that the DB File is locked.

What we cannot see from your test is whether it is able to acquire and save two different signals at the same time.
And whether this data go to the same database or whether they can be saved to two files.
Would be perfect, if you (or somebody else) could give it a try  ::)

-Didix

Lightages:
Try installing the software twice to two different directories perhaps. Might not be possible.

Thilo78:
Yep, I see the problem now.
Actually, when leaving the meters and the two software instances on for a few minutes, one windows ceased to work.

Apparently working with two windows is not actually working.  :-//

Would have been too easy, I guess.
Also selecting the COM ports doesn't change anything...

The DB seems to be the same. I can't change it in preferences or whatever.

Edit: Tried the "two directories" method. This solves the DB issue.
But the problem is: The software doesn't check for individual USB ports. Thus one DMM wins, the other is not recorded  :-\

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