User Manual

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8. APPENDIX
8.1. ILLUMINANTS
The instrument handles 3 types of illumination source:
natural or incandescent - illuminant A dened by standard NF C-42-710
uorescent tubes with three narrow bands, or F11
LEDs at 4000K.
8.1.1. CURVE OF ILLUMINANT A
0
0,2
0,4
0,6
0,8
1
350 450 550 650 750
Standardized spectral distribution
0
0,2
0,4
0,6
0,8
1
350 450 550 650 750
Wavelength (nm)
8.1.2. CURVE OF THE FLUORESCENT ILLUMINANT (F11)
Standardized spectral distribution
Wavelength (nm)