A @S05837@ which has more than one detector and enables the intensities of several spectral bands to be measured at the same time.
PAC, 1995, 67, 1725. (Nomenclature, symbols, units and their usage in spectrochemical analysis-IX. Instrumentation for the spectral dispersion and isolation of optical radiation (IUPAC Recommendations 1995)
) on page 1729 [Terms