Cintra 6020 Variable Slit Width UV-Visible Spectrometer. A high speed scanning, true double beam UV-Visible spectrometer controlled by an external computer operating Cintral Windows based software and USB comms. Requires as a minimum, a computer capable of running Windows software (not included). The spectrometer comes standard with a 1x1 fixed path length cell holder (suits 10 mm cells). 190-1,200 nm range with a variable slit width of 0.5 to 3.0 nm in 0.1 nm steps.