A general term for describing a combination of spectral apparatus with one or more detectors to measure the intensity of one or more spectral bands.
See also:
sequential spectrometer
simultaneous spectrometer
multiplex spectrometer
filter spectrometer
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] [Paper]