Goofing around with a Keithley 2461 SourceMeter

Keithley 2461 SourceMeter https://www.tek.com/source-measure-units/2461 Keithley Graphical Multimeter https://www.welectron.com/Keithley-DMM6500-Benchtop-Multimeter Patreon: https://www.patreon.com/marcoreps Almost but not quite as good: http://bit.ly/2kM1uCv CERN straws and more: https://twitter.com/GigaBecquerel