The PMA-12 is compact spectral measurement apparatus that combines a spectrometer and optical detector into one unit.
An optical fiber is used. Because of the high sensitivity, spectra can be obtained easily just by bringing the optical fiber close to the sample in normal applications, without a special light collection system. Since the spectrometer and photo-detector are fixed, the PMA-12 is stable and can be used with confidence for long periods of time. The wavelength axis and spectral response characteristics are already calibrated, so spectral measurements can be carried out easily and accurately.
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