FLIR ETS320 User Manual page 4

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Table of contents
9.15.2 Procedure .................................................................... 24
9.16 Performing a non-uniformity correction (NUC) ................................. 24
9.16.1 General........................................................................ 24
9.16.2 Procedure .................................................................... 24
9.17 Changing the settings ................................................................ 25
9.17.1 General........................................................................ 25
9.17.2 Procedure .................................................................... 25
9.18 Updating the camera ................................................................. 25
9.18.1 General........................................................................ 25
9.18.2 Procedure .................................................................... 26
10 Technical data ................................................................................... 27
10.1 Online field-of-view calculator ...................................................... 27
10.2 Note about technical data ........................................................... 27
10.3 Note about authoritative versions.................................................. 27
10.4 FLIR ETS320 ........................................................................... 28
11 Mechanical drawings ......................................................................... 31
12 Cleaning the camera .......................................................................... 36
12.1 Camera housing, cables, and other items....................................... 36
12.1.1 Liquids......................................................................... 36
12.1.2 Equipment .................................................................... 36
12.1.3 Procedure .................................................................... 36
12.2 Infrared lens ............................................................................ 36
12.2.1 Liquids......................................................................... 36
12.2.2 Equipment .................................................................... 36
12.2.3 Procedure .................................................................... 36
13 About FLIR Systems .......................................................................... 38
13.1 More than just an infrared camera ................................................ 39
13.2 Sharing our knowledge .............................................................. 40
13.3 Supporting our customers........................................................... 40
14 Terms, laws, and definitions................................................................ 41
15 Thermographic measurement techniques ............................................ 43
15.1 Introduction ............................................................................ 43
15.2 Emissivity................................................................................ 43
15.2.1 Finding the emissivity of a sample ...................................... 43
15.3 Reflected apparent temperature................................................... 47
15.4 Distance ................................................................................. 47
15.5 Relative humidity ...................................................................... 47
15.6 Other parameters...................................................................... 47
16 The secret to a good thermal image ..................................................... 48
16.1 Introduction ............................................................................. 48
16.2 Background ............................................................................. 48
16.3 A good image .......................................................................... 48
16.4 The three unchangeables-the basis for a good image ..................... 49
16.4.1 Focus .......................................................................... 49
16.4.2 Temperature range ......................................................... 50
16.4.3 Image detail and distance from the object ............................ 51
16.5 The changeables-image optimization and temperature
measurement........................................................................... 52
16.5.1 Level and span .............................................................. 52
16.5.2 Palettes and isotherms .................................................... 52
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