| 摘要 |
PROBLEM TO BE SOLVED: To provide a spectrophotometric device for reducing an instrumental error between a plurality of spectrophotometric devices.SOLUTION: The spectrophotometric device 1 is configured to measure the spectral reflectivity of an object 9 to be measured, and to calculate the color value of the object 9 to be measured on the basis of the color-matching function and spectral reflectivity of an XYZ colorimetric system, and characterized to include an irradiation section for irradiating the object 9 to be measured with the rays of light having spectral intensity distribution in which relative intensity in a wavelength giving a peak value z in the color-matching function is 0.5 or more, in which the relative intensity is 1. |
