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. 2021 Aug 30;18(17):9136. doi: 10.3390/ijerph18179136

Table 3.

Specifications of the spectrophotometer (Minolta CM-2500d).

Model Minolta CM-2500d graphic file with name ijerph-18-09136-i001.jpg
Illumination, viewing system di:8, de:8 (diffuse illumination, 8-degree viewing), equipped with simultaneous measurement of SCI (specular component included)/SCE (specular component excluded) conforms to CIE No.15, ISO 7724/1, ASTM E1164, DIN 5033 Teil 7, and JIS Z8722 Condition C standard
Wavelength range 360–740 nm
Wavelength pitch 10 nm
Reflectance range 0 to 175%, resolution: 0.01%
Light source Two pulsed xenon lamps