concentration-sensitive detector

in chromatography
https://doi.org/10.1351/goldbook.C01232
A device the response of which is proportional to the concentration of a sample component in the eluent.
Source:
PAC, 1993, 65, 819. 'Nomenclature for chromatography (IUPAC Recommendations 1993)' on page 849 (https://doi.org/10.1351/pac199365040819)