EXTECH
INSTRUMENTS
3
IR255
‐
en
‐
EU_V1.4
9/14
Description
Meter
Description
1.
LCD
Display
2.
SET
Button
3.
MAX
‐
MIN
/
Down
Arrow
Button
4.
Laser
pointer
lens
5.
IR
Thermometer
lens
6.
Backlight
‐
Laser
Pointer
/
Up
Arrow
Button
7.
Measurement
Scan
Trigger
8.
Battery
Compartment
Display
Description
Emissivity
value
indication
Laser
pointer
active
icon
Scan
mode
(active
while
the
trigger
is
pulled;
displayed
temperature
tracks
the
temperature
of
the
scanned
surfaces)
Hold
mode
(displayed
temperature
freezes
with
trigger
release)
Maximum/Minimum
temperature
icons
Battery
capacity
indicator
(flashes
when
battery
voltage
is
critical)
Display
Backlight
icon
Temperature
units
(°F
/°C)
Temperature
Alarm
icons
and
audible
alarm
disable
icon
1
2
3
8
7
6
5
4