SpectroVis Plus is a portable and affordable visible light spectrophotometer with fluorescence capabilities. Measure wavelengths from 380 nm to 950 nm and analyze results in full color. Tech & Learning Award of Excellence 2011 Winner SpectroVis Plus educational spectrophotometer combines fluorescence capabilities with a linear CCD array detector in a compact unit that requires no external power supply. Two different excitation wavelengths enable analysis of compounds such as fluorescein, chlorophyll, or GFP.