FLIR
CM72_CM74
USER
MANUAL
Document
Identifier:
CM72_CM74
‐
en
‐
US_AA
22
7.
Specifications
7.1
General
specifications
Display
counts:
0~6000
Measuring
rate:
3
times
per
second
Over
‐
range
indication:
OL
or
–OL.
Auto
power
off:
10
minutes
(can
be
disabled)
Low
battery
indicator:
is
displayed.
Replace
battery
when
indicator
appears.
Power
requirement:
4
×
1.5
V
AAA
alkaline
batteries.
Battery
life:
Approx.
200
hours
for
CM72;
100
hours
for
CM74
(with
alkaline
batteries
and
backlight/work
light
off)
Calibration:
1
year
calibration
cycle.
Operating
conditions:
14
to
50°F
(
‐
10
to
10°C)
(non
‐
condensing)
50
to
86°F
(10
to
30°C)
(
≤
80%
RH)
86
to
104°F
(30
to
40°C)
(
≤
75%
RH)
104
to
122°F
(40
to
50°C)
(
≤
45%RH)
Storage
conditions:
4
to
140°F
(
‐
20
to
60°C);
0–80%
RH
(batteries
not
installed)
Dimensions:
(D
×
W
×
L):
1.7
×
3.5
×
9.5
in.
(43
mm
×
89
mm
×
241
mm)
Weight
CM72:
12.8
oz.
(363g)
including
batteries
Weight
CM74:
15.0
oz.
(426g)
including
batteries
Temperature
coefficient:
0.2
×
(specified
accuracy)/°C,
<64.4°F
(18°C),
>82.4°F
(28°C)
Over
‐
voltage
category:
IEC
61010
‐
1
CAT
IV
‐
600
V,
CAT
III
‐
1000
V,
IEC
61010
‐
2
‐
033
CAT
Application
field
III
Distribution
circuits,
machinery,
main
switching
devices
close
to
switchgears,
industrial
installations
and
high
current
close
to
distribution
circuits
IV
Installation
sources,
utility
transformers,
all
outside
conductors,
counters,
protective
devices
on
primary
sides
and
electricity
meters
Operating
altitude:
6562
′
(2000m)
Jaw
opening:
1.38in.
(35mm)
Pollution
degree:
2
