FLIR T6 series User Manual page 13

Table of contents
29 About FLIR Systems ...................................................................... 266
29.1 More than just an infrared camera ............................................ 267
29.2 Sharing our knowledge .......................................................... 267
29.3 Supporting our customers....................................................... 267
29.4 A few images from our facilities ................................................ 268
30 Glossary ...................................................................................... 269
31 Thermographic measurement techniques ........................................ 272
31.1 Introduction ........................................................................ 272
31.2 Emissivity............................................................................ 272
31.2.1 Finding the emissivity of a sample .................................. 272
31.3 Reflected apparent temperature............................................... 275
31.4 Distance ............................................................................. 275
31.5 Relative humidity .................................................................. 275
31.6 Other parameters.................................................................. 275
32 History of infrared technology......................................................... 277
33 Theory of thermography................................................................. 280
33.1 Introduction ......................................................................... 280
33.2 The electromagnetic spectrum................................................. 280
33.3 Blackbody radiation............................................................... 280
33.3.1 Planck's law .............................................................. 281
33.3.2 Wien's displacement law.............................................. 282
33.3.3 Stefan-Boltzmann's law ............................................... 283
33.3.4 Non-blackbody emitters............................................... 284
33.4 Infrared semi-transparent materials........................................... 286
34 The measurement formula.............................................................. 287
35 Emissivity tables ........................................................................... 291
35.1 References.......................................................................... 291
35.2 Tables ................................................................................ 291
#T559880; r.15724/15724; en-US
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