FLIR i5 User Manual page 10

19 Glossary ...........................................................................................................................................
20 Thermographic measurement techniques ...................................................................................
20.1 Introduction ..........................................................................................................................
20.2 Emissivity ..............................................................................................................................
20.2.1
20.3 Reflected apparent temperature ..........................................................................................
20.4 Distance ................................................................................................................................
20.5 Relative humidity ..................................................................................................................
20.6 Other parameters ..................................................................................................................
21 History of infrared technology ......................................................................................................
22 Theory of thermography ................................................................................................................
22.1 Introduction ...........................................................................................................................
22.2 The electromagnetic spectrum ............................................................................................
22.3 Blackbody radiation ..............................................................................................................
22.3.1
22.3.2
22.3.3
22.3.4
22.4 Infrared semi-transparent materials .....................................................................................
23 The measurement formula .............................................................................................................
24 Emissivity tables .............................................................................................................................
24.1 References ............................................................................................................................
24.2 Important note about the emissivity tables ..........................................................................
24.3 Tables ....................................................................................................................................
x
Finding the emissivity of a sample .......................................................................
20.2.1.1 Step 1: Determining reflected apparent temperature .......................
20.2.1.2 Step 2: Determining the emissivity ...................................................
Planck's law ..........................................................................................................
Wien's displacement law ......................................................................................
Stefan-Boltzmann's law .........................................................................................
Non-blackbody emitters .......................................................................................
Publ. No. T559382 Rev. a358 - ENGLISH (EN) - June 23, 2009
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