Diode Test - Extech Instruments EX330 User Manual

DIODE TEST

1. Set the function switch to the
2. Insert the black test lead banana plug into the
negative COM jack and the red test lead
banana plug into the positive
3. Use the MODE button to view the
the display.
4. Touch the test probes to the diode under test.
Forward voltage will typically indicate 0.400 to
0.700V. Reverse voltage will indicate "OL".
Shorted devices will indicate near 0V and an
open device will indicate "OL" in both polarities.
position.
jack.
icon on
8 Model EX330 - Version 4.0 – 05/06