Keysight Technologies B1500A Self-Paced Training Manual page 105

Module 3
Low Current Measurement
If you change anything in your fixturing or cabling, wait at least 1 minute before making a
measurement at low currents.
Here we see the effect of connecting a cable to the open SMU port of the B1500A. The discontinuity
lasted for 50 seconds of a 2 minute sweep from 0 to 1 volt in 10 mV steps.
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