FLIR
CM72_CM74
USER
MANUAL
Document
Identifier:
CM72_CM74
‐
en
‐
US_AA
18
5.5
Resistance
Measurements
Warning:
Do
not
perform
resistance
tests
before
removing
the
power
from
resistors
and
other
devices
under
test
during
a
measurement.
Injury
to
persons
can
occur.
1.
Set
the
function
switch
to
the
position.
2.
Use
the
MODE
button
to
select
the
resistance
mode
(continuity
symbol
should
be
OFF).
3.
Insert
the
black
probe
lead
into
the
negative
COM
terminal
and
the
red
probe
lead
into
the
positive
Ω
terminal.
4.
Touch
the
tips
of
the
probe
across
the
circuit
or
component
under
test.
5.
Read
the
resistance
value
on
the
display.
Figure
5.5
Resistance
and
Continuity
Measurements
5.6
Continuity
Test
Warning:
Do
not
perform
continuity
tests
before
removing
the
power
to
the
component,
circuit,
or
other
device
under
test
during
a
measurement.
Injury
to
persons
can
occur.
1.
Set
the
function
switch
to
the
position.
2.
Insert
the
black
probe
lead
into
the
negative
COM
terminal
and
the
red
probe
lead
into
the
positive
Ω
terminal.
Refer
to
Fig.
5
‐
5
for
connection
example.
3.
Use
the
MODE
button
to
select
continuity
measurement.
The
indicator
will
be
displayed.
4.
Touch
the
tips
of
the
probe
across
the
circuit
or
component
under
test.
5.
If
the
resistance
is
lower
than
30
Ω
,
the
meter
will
beep.
