Non-Contact Temperature Measurements; Distance To Object - Extech Instruments 450 User Manual

NON-CONTACT TEMPERATURE MEASUREMENTS

1. Set the function switch to the red IR Temp position.
2. Press the SELECT button to select ºF or ºC
3. Point the meter at the surface to be measured.
4. If needed, press the IR Laser Pointer button to locate the exact
spot being measured.
5. The area of the surface to be measured must be larger than the
spot size as determined by the distance to spot size
specification.
6. Read the temperature in the display.
WARNING: Do not directly view or direct the laser pointer
at an eye. Low power visible lasers do not normally present a
hazard, but may present some potential for hazard if viewed
directly for extended periods of time.
Diameter of Spot
(5cm)
(2.5cm)
(20cm)
(40cm)

Distance to Object

14
(10cm)
(80cm)
EX450V5.0V 10/06