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M310 Manual Appendix B: Calibration Methods  29

When calibrating infrared sensors at wavelengths other than 8-14 µm region, the graph below

displays the target effective emissivity vs. wavelength after factory radiance calibration is

performed.

Infrablack 3 Coating on HT version (450C)

0.9

0.91

0.92

0.93

0.94

0.95

0.96

0.97

0.98

0.99

0 5 10 15 20 25 30

Wavelength (um)

emissivity

'emissivity'

mean emissivity=0.915

3-5um

8-14um

e=0.970

8-12um

e=0.969

Normalized emissivity for 350C version

0.93

0.94

0.95

0.96

0.97

0.98

0.99

1.01

1.02

0 5 10 15 20 25 30

Wavelength (microns)

effective emissivity

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 35

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Lumasense-technologies M310 Manuale Utente Pagina 29