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IRT653 Manual -2P-043008:Layout 1
OPERATION FUNCTIONS:
To operate the advanced functions of the unit, press the "F"
button to change the functions. The sequential operations
and the corresponding explanations are shown in the
following chart.
Data Mode
Parameter
Setup Mode
4/30/08
• Scan and display the
temperature during
measurement
• Continuously measure and
display the temperature
without pulling the
measuring trigger
• Activate the data record
function when pulling the
trigger and recall the
stored data by using
L or M button
(Note: While triggering to
record, the new data will
replace the existing data
on the next storage space.)
• The maximum temperature
within one shot measuring
• The minimum temperature
within one shot measuring
• The average temperature
within one shot measuring
• The highest and lowest
difference within one shot
measuring
• Adjustable emissivity for
more accuracy on all
surfaces
• Highest alarm temperature
• Lowest alarm temperature
(*The parameters are
adjusted by using
L and M buttons)
12:29 PM
Page 4
OPERATION REMARKS:
If you need to know more details of our tender
considerations for users on the operations, please read the
following contents.
• No matter if you push the measuring trigger or not,
when the unit's power is on, you can change the
functions or adjust the parameters.
• To avoid dummy operations, the setup of functions can
be performed only after the unit wakes up by the
measuring trigger to make sure the correct operations.
• To avoid careless touch, some power management
designs have to be implemented.
• Auto function allows you to continuously measure the
target temperature and you don't have to keep pulling
the measuring trigger all the time .
• Auto function can be only setup when both the
measuring trigger and the "F" function buttons are
pressed at the same time.
• The unit is totally powered off, there will be no more
standby current when storage. This will help the
battery last longer.
TECHNIQUES OF INFRARED THERMOMETER:
FIELD OF VIEW (FOV) RATIO =
DISTANCE TO DIAMETER (DS) RATIO
The field of view is the angle of vision at which the
instrument operates and it is determined by the optics of the
unit. The FOV is the
ratio of the distance
from the target to the
target diameter. The
smaller the target, the
closer you should be to
it. When the target
diameter is small, it is
important to bring the
thermometer closer to
the target to insure that
only the target is
measured, excluding
the surroundings.
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