Nicoustic is a Norwegian start-up that has developed a highly accurate, non-intrusive sensor technology for measuring levels in tanks and reservoirs, based on guided ultrasonic waves that enable the detection of both solid and liquid levels, with emulsion interface and foam layer measurement currently under development. The pilot validated this technology through installation on a glycerin–fat decanter under real operating conditions, assessing sensor performance and reliability without process interference or shutdowns, and demonstrating its potential to enhance process monitoring, operational efficiency, and safety in industrial separation systems.