Playing with the Keithley 238:
What's missing on the photo?
Front panel inputs. ![Tongue :P](https://www.eevblog.com/forum/Smileys/default/tongue.gif)
Yes, it's kind of annoying having rear triax connectors only.
Anyway, wrong answer.
BU508A: There's a proper decimal point between 0 and 9, so wrong answer too.
Hint: There's a resistor, an Ampere setting and a Volts reading ...
The cabling doesn't seem to be intact, it goes off screen, also at nA don't you have to be much more careful of shielded cables, ptfe pref, also the resistor and cable sitting on the top of a ? metal earth shield of the smu, shouldn't the DUT be shielded separately and be up at the potential of the source, ie proper triax set up?
(Takes off pedants hat)
Rob
(sore after a 7m long tumble off my mountain bike down a 30degree slope and 5 sutures to my lower lip - where the f****g bike hit me)