403265 Datasheet, PDF (6/8 Pages) Extech Instruments Corporation. – Non-Contact Infrared Thermometer

Laser Pointer
The Laser is used to help aim the IR sensor. The Laser button (center) enables the Laser
Pointer feature. When enabled, the meter emits the red laser beam each time the MEAS
button is pressed. A triangle with a black circle appears in the top left of the LCD to let the
user know that the Laser function is enabled. The triangle display icon is cleared when the
Laser feature is disabled. Note that the Laser pointer beam and the IR sensor beam are
separated by 0.63 inches (Refer to the Field of View diagram).
o_C/o_{F Select}
With the meter off, press and hold the backlight button then press the MEAS button to
select degrees F. With the meter off, press and hold the laser button then press the
MEAS button to select degrees C.
MODE Button
Pressing the MODE button while HOLD is active accesses the configuration mode. The
following parameters can be configured: Emissivity value, High Alarm setpoint (ALM Hi),
Low Alarm setpoint (ALM Lo), Maximum reading (MAX), and Minimum reading (MIN).
Emissivity Adjust
1. In the HOLD mode, press the MODE button
2. Use the UP/DOWN arrow buttons to set the desired emissivity from 0.10 to 1.00. The
normal value is 0.95.
High Alarm Set Point
1. In the HOLD mode, press the MODE button two times. “ALMHi” will appear in the
display.
2. Use the UP/DOWN arrow buttons to set the desired Hi Alarm set point.
Low Alarm Set Point
1. In the HOLD mode, press the MODE button three times. “ALM Lo” will appear in the
display.
2. Use the UP/DOWN arrow buttons to set the desired Lo Alarm set point.
MAX/MIN
1. In the HOLD mode, press the MODE button four (MAX) & five (MIN) times to view the
highest (MAX) and lowest (MIN) temperatures measured since the meter was last
turned on.
2. In the Measure mode, press the MODE button to step through the highest (MAX),
lowest (MIN) and current temperature.
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403265 Version 1.7 2/05