The DU 800 Spectrophotometer is a PC controlled system intended for use in quantitative and qualitative analysis in biological and industrial procedures that require spectrophotometric measurements in the UV and visible region of the electromagnetic spectrum. If the instrument is used in a manner other than as described, the safety and performance of the instrument can be impaired. The DU 800 Spectrophotometer operates in the wavelength range of 190 to 1100 nm and has a bandwidth of rve. The PC requires Microsoft* Windows 2000 or later as the operating system.