28 Aug 2018 --- In response to industry demand for increased quality in food and beverages at every level, Emerson has introduced the Rosemount CT4215 Food and Beverage Leak Detection system. The Rosemount CT4215 is the first quantum cascade laser/tunable diode laser (QCL/TDL) continuous, inline detection system designed to help assure quality and safety, maximize production volume and decrease product waste for food and beverage products.