Pocket spectrometer and an arrangement with the pocket spectrometer

摘要

pocket spectrometer (1), where the pocket spectrometer (1) is designed as a hand-held device,with a spectrographic device (2) to measure a spectrum of light (14),characterized by:the spectrographic device (2) has a filter device (25) to filter the light beam (14) and a sensor device (26) to measure the intensity of the filtered light beam (14).