FLIR T420-NIST User Manual page 9

26.3 Supporting our customers ...................................................................................................
26.4 A few images from our facilities ...........................................................................................
27 Glossary ...........................................................................................................................................
28 Thermographic measurement techniques ...................................................................................
28.1 Introduction ..........................................................................................................................
28.2 Emissivity ..............................................................................................................................
28.2.1 Finding the emissivity of a sample .......................................................................
28.2.1.1
28.2.1.2
28.3 Reflected apparent temperature ..........................................................................................
28.4 Distance ................................................................................................................................
28.5 Relative humidity ..................................................................................................................
28.6 Other parameters ..................................................................................................................
29 History of infrared technology ......................................................................................................
30 Theory of thermography ................................................................................................................
30.1 Introduction ...........................................................................................................................
30.2 The electromagnetic spectrum ............................................................................................
30.3 Blackbody radiation ..............................................................................................................
30.3.1 Planck's law ..........................................................................................................
30.3.2 Wien's displacement law ......................................................................................
30.3.3 Stefan-Boltzmann's law .........................................................................................
30.3.4 Non-blackbody emitters .......................................................................................
30.4 Infrared semi-transparent materials .....................................................................................
31 The measurement formula .............................................................................................................
32 Emissivity tables .............................................................................................................................
32.1 References ............................................................................................................................
32.2 Important note about the emissivity tables ..........................................................................
32.3 Tables ....................................................................................................................................
Publ. No. T559772 Rev. a593 - ENGLISH (EN) - March 16, 2012
netzerotools.com
Step 1: Determining reflected apparent temperature .......................
Step 2: Determining the emissivity ...................................................
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