FLIR
CM72_CM74
USER
MANUAL
Document
Identifier:
CM72_CM74
‐
en
‐
US_AA
15
TIME
CURRENT
0A
Start
Stop
Current
Detection
Threshold
Measured Inrush
Current
100ms Sample Window (60Hz)
5.4.4
Extended
Functionality
Modes
In
addition
to
the
basic
measurements
that
the
CM72
and
CM74
can
perform,
a
variety
of
extended
functions
are
included.
Refer
to
the
following
sections
for
details.
5.4.4.1
Inrush
Current
Mode
(CM74
only)
In
Inrush
current
mode,
the
meter
displays
the
highest
AC
current
reading
in
the
first
100ms
period
after
the
trigger
point
(current
detection
threshold)
is
reached,
see
Fig.
5.3
below.
The
current
detection
threshold
is
0.5A
for
the
60.00A
range
and
5.0A
for
the
600.0A
range.
Inrush
current
mode
is
available
when
measuring
AC
current.
1.
Connect
the
meter
to
the
unpowered
circuit
under
test
2.
Set
the
meter
to
A
3.
Press
the
Inrush
button
to
enable
the
Inrush
current
mode.
The
Inrush
display
icon
will
appear
on
the
LCD.
4.
Turn
on
the
power
to
the
circuit
under
test
5.
When
the
threshold
is
reached,
the
meter
will
display
the
RMS
reading
for
the
100ms
integration
time.
Figure
5.3
Inrush
Current
