Range 190 to 1000 nm with facility for automatic concentration. Percentage Transmission, Absorbance and K-factor measurements. It has 16 2 line LCD data display and motorized wavelength selection on 4 digit LED display . It had quad sample holder with 4 position selector control for 10 mm path length curvetters. Facility has been provided on request. A set of 2 quartz cuvettes is provide.