The 400 Series UV/Vis spectrophotometers offer a revolutionary approach to UV/Vis instrumentation. The latest electro-optical technologies are incorporated into a radically new design, resulting in features and performance unprecedented in compact laboratory grade UV/Visible spectrophotometers. The 400 Series UV/Vis spectrophotometers are ideally suited for research, teaching labs, industry, radiometry and color analysis.Since 1993, Spectral Instruments has been designing and manufacturing high performance analytical instruments utilizing scientific CCD array technology.In 2002, S.I. Photonics was formed as a division of Spectral Instruments for the purpose of further developing spectroscopy related products. S.I. Photonics continues this tradition of diversified product designs to accommodate our ever expanding client needs and desires.