The OL 750 is an extremely versatile spectroradiometric measurement system capable of performing a variety of highly accurate optical radiation measurements under computer control in the ultraviolet, visible and infrared. The modular approach of the OL 750 coupled with an extensive selection of accessories and powerful application software packages enables the user to tailor a turn-key system to their exact requirements as well as ensure expandability in the future. Both single (OL 750S) and double (OL 750D) grating monochromator versions are available. The basic system, along with an extensive selection of optional items and accessories, enables the OL 750 to measure over all or part of the entire 200 nm to 30 mm wavelength range.