Table of contents
13.4.1 General........................................................................ 68
13.4.2 Figure.......................................................................... 68
13.5 Draft ...................................................................................... 69
13.5.1 General........................................................................ 69
13.5.2 Figure.......................................................................... 69
14 About FLIR Systems .......................................................................... 71
14.1 More than just an infrared camera ................................................ 72
14.2 Sharing our knowledge .............................................................. 73
14.3 Supporting our customers........................................................... 73
15 Definitions and laws .......................................................................... 74
16 Thermographic measurement techniques ............................................ 76
16.1 Introduction ............................................................................ 76
16.2 Emissivity................................................................................ 76
16.2.1 Finding the emissivity of a sample...................................... 76
16.3 Reflected apparent temperature................................................... 80
16.4 Distance ................................................................................. 80
16.5 Relative humidity ...................................................................... 80
16.6 Other parameters...................................................................... 80
17 History of infrared technology............................................................. 81
18 Theory of thermography..................................................................... 84
18.1 Introduction ............................................................................. 84
18.2 The electromagnetic spectrum..................................................... 84
18.3 Blackbody radiation................................................................... 85
18.3.1 Planck’s law .................................................................. 86
18.3.2 Wien’s displacement law.................................................. 87
18.3.3 Stefan-Boltzmann's law ................................................... 88
18.3.4 Non-blackbody emitters................................................... 89
18.4 Infrared semi-transparent materials............................................... 91
19 The measurement formula.................................................................. 92
20 Emissivity tables ............................................................................... 96
20.1 References.............................................................................. 96
20.2 Tables .................................................................................... 96
#T559828; r. AK/40423/40448; en-US
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