ChipCMOS diode-arrayWavelength Range(360 - 830) nmOptical Bandwidth10 nm, mathematical optical bandwidth correction according to CIE 214 can be automatically appliedData Resolution1 nmIntegration Time(5.2 - 30000) msShutterAutomatic aperture for dark signal measurements with the same integration time as that of light measurements. Aperture delay = 100ms.Typ. Measurement Time199,999 lx ≤ 5ms (white light)
100 lx ≤ 1s (white light)Color measurement range spectral(1 - 199,999) lxScotopicScotopic measurement range spectral (1 - 199,999) lx
Calibration uncertainty of scotopic illuminance +/-2.2%Peak wavelength+/- 1nmDominant wavelength+/- 1nmΔx, Δy reproducibility+/- 0.0001 (Standard illuminant type A)
+/- 0.0002 (LED)Δx, Δy uncertainty+/- 0.002 (Standard illuminant type A)
+/- 0.005 (typ. LED)CCT Measurement range1700 ~ 17000 KΔCCT+/- 50K (standard illuminant type A)
+/- 4% (depending on the LED spectrum)CRI (color rendering index)Ra and R1 to R15Stray Light6E-4 (Blue LED)
6E-4 (Green LED)
6E-4 (Red LED)
1E-3 (White LED)
(typical value, measured 100 nm to the left of the peak of the LEDs)Calibration uncertaintySpectral irradiance
(360 - 399) nm +/- 7 %
(400 - 799) nm: +/- 4 %
(800 - 830) nm: +/- 6 %
Spectral irradiance responsivity (360 - 830) nm