Keysight Technologies U1190A Serie Guide Rapide page 15

Diode test
1
Set up your clamp meter to test diodes as shown.
Probe the test points and read the display.
This test sends a current through a semiconductor
NOTE
junction, and then measures the junction's voltage
drop. A good diode allows current to flow in one
direction only.
Keysight U1190A Series Quick Start Guide
Forward-bias
diode
3
2
15