EX330-EU-ENG – V4.2 1/08
11
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. Use the MODE button to view the icon on
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.
CAPACITANCE MEASUREMENTS
WARNING: To avoid electric shock, disconnect power to the unit under
test and discharge all capacitors before taking any capacitance
measurements. Remove the batteries and unplug the line cords.
1. Set the rotary function switch to the CAP
position.
2. Insert the black test lead banana plug into
the negative COM jack.
3. Insert the red test lead banana plug into
the positive CAP jack.
4. Touch the test leads to the capacitor to be
tested.
5. The test may take up to 3 minutes or
more for large capacitors to charge. Wait
until the readings settle before ending the
test.
6. Read the capacitance value in the display
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