4
Operating Instructions
To measure an object’s temperature
•
Note size of the object to scan temperature.
•
Move the unit to the appropriate distance to scan its temp.
i.e. For a 50mm object, you will need to be 300mm away.
•
Point the infrared sensor to the object, and then press the “SCAN” button, the
unit begins working, and the laser appears.
•
Read the measured result from the LCD display.
•
Release the “SCAN” button, the measured result will hold automatically. Unit
automatically turns off after about 20 seconds of inactivity.
Distance: Size Ratio
The thermometer has a visual angle and visual spot size; a drawing is shown as
following:
Make sure that the target is larger than the unit’s visual spot size. The smaller the
target, the closer you should be to it. The relationship between distance and spot
size is 6:1, the drawing as following: