Dave tears down the Keithley 617 Electrometer, capable of measuring sub-femtoamp (attoamps!) resolution.
Hires Teardown photos:
Video on the relay matrix
Another look at finding a $50 analog oscilloscope on ebay. Forum HERE Podcast: DownloadBe Sociable, ...
The EEVblog Store generally ships twice a week, on Tuesdays & Fridays, Sydney time. Dismiss