The Milton Roy Spectronic 1001+ is a digital UV-Visible spectrophotometer with a wavelength range of 190-950nm. It offers double beam stability with single beam energy. It performs real-time repetitive scanning between start and stop wavelengths you select. It is also pre-programmed with test formulas (endpoint, kinetics, multiple wavelengths etc.). It stores up to 30 customized tests. Wavelength accuracy: <1.0nm. Spectral slitwidth: 2nm.