... , AZS, 100%T 1.Wavelength range:195-1020 nm UV-1100 UV-VIS Spectrophotometer, 195-1020nm, 4nm, AZSProduct Description: This instrument ... Optional Deuterium lamp Optional RS-232Port, Connecting line Optional UV-1100 UV-VIS Spectrophotometer, 195-1020nm, 4nm