A self-contained automatic computer controlled system for checking and recalibrating the wavelength scale of both monochromators of a fluorescence spectrophotometer is described. No operator adjustments are required. The system sets the wavelength of each monochromator to within 0.1 nanometers. Besides...http://www.google.de/patents/US4681444?utm_source=gb-gplus-sharePatent US4681444 - Automatic wavelength calibration apparatus
