in the field of solar cell manufacturing, obtaining the reflectivity of solar silicon wafers is of great significance to production control and research. jingyi optoelectronics designed the rt3000 integrating sphere reflectometer according to iso7724 and din5033 standards. the single-point test time is only 1 second to complete, which helps customers control the quality of solar cells and improves the detection efficiency. with many years of experience in designing spectral testing instruments, jingyi optoelectronics' rt3000 series standard 8-degree angle integrating reflectometer has become the standard testing equipment for quality control of the texturing and coating links in the solar photovoltaic industry.