Visible range spectrophotometer with automatic wavelength selection and automatic blanking. Large LCD (128x64 bits) displays 50 data sets, standard curve graphs, and kinetics. Stores results and stores data in case of power failure. Equipped with a high-quality photometric silicon diode array detector and 1200 lines/mm diffraction grating. Easy-to-use automatic zero and blanking. Simple switching between transmittance, absorbance, and concentration modes. Sample compartment for 5 to 100 mm pitch cuvettes.