Table of contents
10 Mechanical drawings ....................................................................... 56
11 Technical data................................................................................. 58
11.1 Note about technical data ......................................................... 58
11.2 Note about authoritative versions................................................ 58
11.3 FLIR X6520sc ........................................................................ 59
12 Maintenance and service.................................................................. 61
12.1 Cleaning the camera ............................................................... 61
12.1.1 Camera housing, cables, and other items .......................... 61
12.1.2 Infrared lens................................................................ 61
12.2 Cooler maintenance ................................................................ 62
12.2.1 General...................................................................... 62
12.2.2 Signs to watch for......................................................... 62
13 Quality ........................................................................................... 63
13.1 Quality assurance ................................................................... 63
13.2 For the US market................................................................... 63
13.3 For the Canadian market .......................................................... 63
13.4 For the whole world ................................................................. 63
14 About FLIR Systems ........................................................................ 64
14.1 More than just an infrared camera .............................................. 65
14.2 Sharing our knowledge ............................................................ 65
14.3 Supporting our customers......................................................... 66
15 Terms, laws, and definitions.............................................................. 67
16 Thermographic measurement techniques .......................................... 69
16.1 Introduction .......................................................................... 69
16.2 Emissivity.............................................................................. 69
16.2.1 Finding the emissivity of a sample.................................... 69
16.3 Reflected apparent temperature................................................. 73
16.4 Distance ............................................................................... 73
16.5 Relative humidity .................................................................... 73
16.6 Other parameters.................................................................... 73
17 About calibration............................................................................. 74
17.1 Introduction ........................................................................... 74
17.2 Definition—what is calibration? .................................................. 74
17.3 Camera calibration at FLIR Systems ........................................... 74
17.4 The differences between a calibration performed by a user and
that performed directly at FLIR Systems....................................... 75
17.5 Calibration, verification and adjustment........................................ 75
17.6 Non-uniformity correction.......................................................... 76
17.7 Thermal image adjustment (thermal tuning) .................................. 76
18 History of infrared technology........................................................... 77
19 Theory of thermography................................................................... 80
19.1 Introduction ........................................................................... 80
19.2 The electromagnetic spectrum................................................... 80
19.3 Blackbody radiation................................................................. 80
19.3.1 Planck’s law ................................................................ 81
19.3.2 Wien’s displacement law................................................ 82
19.3.3 Stefan-Boltzmann's law ................................................. 83
19.3.4 Non-blackbody emitters................................................. 84
19.4 Infrared semi-transparent materials............................................. 86
20 The measurement formula................................................................ 87
21 Emissivity tables ............................................................................. 91
21.1 References............................................................................ 91
21.2 Tables .................................................................................. 91
#T810207; r. AA/43061/43086; en-US vii
