1 Getting Started
42 Keysight U3401A User’s and Service Guide
– A diode is considered shorted if the multimeter displays approximately
0 V in both forward and reverse bias modes, and the multimeter beeps
continuously.
– A diode is considered open if the multimeter displays OL in both forward
and reverse bias modes.
Figure 1-16 Forward-biased diode/continuity test terminal connection and
display
Figure 1-17 Reverse-biased diode/continuity terminal connection and
display
Test current
Forward
bias
+
–
+
–
Reverse
bias
Test current