3
OPERATING INSTRUCTIONS
Power On / Off
Auto Power Off
The IR-450 will power down after not being used for 3
minutes.
Auto Hold
The unit will hold the reading for 10 seconds after the
on button is pressed.
Operating the Unit
To measure temperature, point unit at an object and press
the Test button. Be sure to consider distance-to-spot size
ratio and your distance from the measured object. The IR-
450 is equipped with a laser. Use the laser only for aiming.
See “Taking Temperature Measurement”.
Taking Temperature Measurement
Incorrect
Target Area
