Diode Test - Extech Instruments EX310 User Manual

DIODE TEST

1. Set the function switch to the
position.
2. Insert the black test lead banana plug
into the negative COM jack and the red
test lead banana plug into the positive
jack.
3. Touch the test probes to the diode
under test.
4. A good diode will indicate approx. 700
ohms for the forward test and "1___"
for the reverse test.
5. A shorted diode will indicate the same
value of resistance in both the reverse
and forward test directions. An open
diode will indicate "1___" in both test
directions.
10 Model EX310-EU-ENG – V7.2– 05/2008