Double Beam UV-Vis Spectrophotometer LUS-B12 is a compact, tabletop split double beam designed UV-Vis spectrophotometer, comprising automatic calibration and silicon photocell sensors. Features automatic 8-pool sample holder with 4 quartz cuvette, offers 190 to 1100 nm of wavelength range with C-T monochromator and 1200 L/mm holographic grating. Equipped with deuterium lamp and tungsten lamp as light source, it provides high-resolution, low stray light, and lasting stability. With LCD display, Windows based PC control software and USB interface, this spectrometer can meet the multi-level analysis application requirements of users.