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4-15
Diode test
WARNING
Never test diodes in a live circuit.
1.
1-Set the rotary function switch to the •)))
Ω position.
2.
Momentarily press the MODE button until the ‘
’ symbol appears on
the LCD display.
3.
Insert the black test lead into the COM input jack and the red test lead
into the Ω input jack.
4.
Touch the test lead probes to the diode under test.
5.
Forward voltage will indicate 0.4 to 0.7 on the display. Reverse voltage
will indicate ‘OL’ . Shorted devices will indicate near 0 and an open
device will indicate ‘OL’ in both polarities.
Red Black
Black Red
Forward test Reversed test
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