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IRT653 Manual -2P-043008:Layout 1
Operating Temperature: 32° to 122°F (0° to 50°C), 10 to
90%RH
Auto Power Off: Automatically after approx. 6 seconds
Emissivity: Adjustable 0.1 ~ 1.0
°F/°C Switchable: YES
Backlight: YES
Laser Sight Switchable: YES
Audio Alarm: YES
Max/Min/Avg/ΔT: YES
Auto Measuring: YES
10 Point Memory: YES
Dimensions: 7.09" x 5.12" x1.57" (180 x 130 x 40mm)
Battery Type: "9V" battery
Battery Life: 16 hours
Weight: 6.6 oz. (187 g) Approx.
Accessory: "9V" battery, Instruction Manual,
Soft Carrying Case
OPERATIONS OF INSTRUMENT
QUICK START:
To measure a temperature, point the unit at the target that
you want to measure, pull the measuring trigger and hold. In
SCAN mode, the LCD displays either the current temperature
in Celsius or Fahrenheit. The unit will HOLD the last reading
for about 6 seconds after the trigger is released; the word
HOLD appears. Be sure to consider the target area that is
inside the angle of vision of this instrument. The single spot
of laser is used for aiming only.
Display Screen
UNIT
DIAGRAM:
4/30/08
Laser
Sighting
Measuring
Window
Measuring
Trigger
Battery
and Cover
12:29 PM
Page 3
LCD & CONTROL PANEL:
SCAN/HOLD/AUTO
mode indication
Laser On/Off
indication
Data
Max/Min/Avg/ΔT
indication
Emissivity/High
alarm/Low alarm
adjustable
indication
Down value
button
°F/°C AND BATTERY CHANGE:
The unit is powered by "9V" battery and displays
temperature in either °F/°C. The user has to replace the
battery when the battery voltage drops below the voltage for
reliable operation and at the same time the low battery
symbol will
appear. To change the
"9V" battery, pull and
open the unit's handle
°F/°C switchable
by using the finger.
Change the "9V"
Laser On/Off
battery with a new
one and push the
"9V" battery
battery cover back
in place.
Data Memory
indication
°F/°C Indication
Temperature
indication
Low battery
Up value button
Function button
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