SELON SE-723PC Visble Spectrophotometer *To measure the intensity *more specifically * wavelength of ... Bandwidth:128×64 LCDSELON SE-723PC Visible Spectrophotometer, wavelength of light visible spectrophotometer, vis spectroscopy,spectrometers FEATURES1,Wavelength setting by ... degree setting and concentration readout directly with up to 50 sets of curve parameter and testing data stored4,System ...