a system that performs content analysis on comestible products using volumetric determination with a single - chamber technique in a mass production environment . the content value determination system includes a conveyor system , a system for weighing the comestible products interposed along the path of the conveyor , a volumetric determination station that consists of a plurality of receiving chambers , and a control module . in this embodiment , each receiving chamber is equipped with a pressure sensor and a mechanical system for modifying the volume of the chamber . in addition , both the pressure sensors and the volume modification system of each receiving chamber are operably connected to the control module .