Commercial Electric 1001 418 355, Use And Care Manual

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12 13
Insert the RED test lead to V
Ω
socket
and BLACK test lead to COM socket ,
and rotate function knob switch to the
highest
Ω
setting (2M
Ω
).
De-energize the circuit.
Insert the RED test lead to V
Ω
socket
and BLACK test lead to COM socket ,
and rotate function knob switch to
( ) setting.
Measure the diode with test lead. The
measure reading will show on display
indicates forward bias, OL indicates reverse
bias. An open device will show OL on both
polarities.
Measure resistance by connecting test lead
to object and rotate the function knob switch
to lower range
Ω
to receive highest
resolution measurements.
NOTE: When in a Resistance mode and
the test leads are open (Not connected
across a resistor or objects), or when
a failed resistor is under test, the
display will indicate O.L. This is normal.
C
C
D D
B B
B
B
Red Test Lead Black Test Lead
B
Red Test Lead Black Test Lead
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