i
Table of Contents
Title Page
Introduction....................................................... 1
Contacting Fluke .............................................. 1
Safety Information ............................................ 2
Symbols and Safety Markings........................ 3
Features ........................................................... 5
Display ............................................................. 7
Display (63).................................................... 8
Display (66/68)............................................... 8
Buttons (66/68)................................................. 9
How the Thermometers Work........................... 9
Operating the Thermometer ............................. 10
Temperature Measurement............................ 10
Locating a Hot or Cold Spot ........................... 10
Distance and Spot Size.................................. 11
Field of View .................................................. 13
Emissivity ....................................................... 13
Switching
°
C and
°
F ....................................... 15
Trigger Lock (66/68)....................................... 15
Backlight and Laser On/Off Switch (63) ......... 16
Function Button Functions (66/68) ................. 16
Selecting a Function (66/68) .......................... 17
Setting the High Alarm, Low Alarm, and
Emissivity (66/68)........................................... 18