Electronics > Beginners
Fake polypropylene capacitors from China?
Krampmeier:
Doctorandus_P, this is a Keithley 2461 high current SMU, and it's not mine. I am just lucky enough to have one at work which I can use for such experiments during my lunchbreak ;D
The off numbers also annoyed me a bit, but the smooth interaction with that screen kinda makes up for it. You should have seen the histogram functions, quite mind-boggling and very usable...
You can set the scale manually, in a 1-10-100-... fashion, but as soon as you use the touch screen to move or zoom the graph, the numbers get off just as you saw.
The Keithley 6500 is a more affordable multimeter, which shares the same UI. It should have a similar resolution, but of cause it is not a SMU.
Doctorandus_P:
--- Quote from: Krampmeier on February 04, 2019, 08:30:30 pm ---You can set the scale manually, in a 1-10-100-...
--- End quote ---
No built-in 1 - 2 - 5 sequence? Redicilous.
--- Quote from: Krampmeier on February 04, 2019, 08:30:30 pm ---as soon as you use the touch screen to move or zoom the graph, the numbers get off just as
you saw.
--- End quote ---
I really hate those off numbers.
It makes me stare at the index for 20 odd seconds in an atempt to read them. For me this is so distracting that I completely forget what I was measuring.
I'm still jealous though.
I read some spec's of the keithley's and saw some demo's from youtube/the signal path, Sharriarriaaahhrg has a tower of them standing on his desk.
Fortunately this stuff is so expensive that there is no use of even dreaming about it.
I do not know how good Keithley is in details for the GUI.
If I were to design such graph functions I would shift the axis ticks together with the data to keep round numbers on the axis. This may even be available in some menu 3 levels deep, but in this crasy world such simple Ideas are probably patented and impossible to sell / use in a normal way.
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