Single Beam UV VIS Spectrophotometer *Large sample compartment *Auto setting wavelength *With software Specifications ModelSE-5500PCOptical SystemSingle beam, Grating 1200 ... can be restored after a sudden power cut.4,Auto setting wavelength. Auto zero and blank.5,Tungsten lamp & deuterium lamp ... -5500PC Single Beam UV VIS Spectrophotometer, Large sample compartment, Auto setting wavelength