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In this work, the design and assembly of a dual spectrophotometer system capable of measuring the absorption as well as time resolved luminescence spectra of liquid, gaseous, or solid samples are reported. The system incorporates a 1024×376 elements coupled charge detector (CCD) capable of monitoring changes in optical spectra with time delays as short as few microseconds time scale. Such a design reduced significantly the costs of purchasing two separate systems containing similar optical and electronic components. In addition, the design enabled further investigations on the photodegradation mechanism for a benzimidazole based pesticide.