SR-Series Spectroradiometer is equipped with resolution detectors of different pixel levels, particularly adding a spectroscopic measurement mode, which provides optional specific wavelength intervals for data analysis of the measured luminance, chrominance, color temperature, spectroscopy, etc. Cooperated with ProICM professional analysis software, it can perform high-speed and high-precision measurement of micro luminous surfaces, and provides a new and practical optimization scheme of two-dimensional spectroscopic test.