The ICON LevelPro TFS Tuning Fork and Vibration Level Switch is a vibrating type level switch for use in all liquid and slurry applications such as overflow, high, low, and demanding applications, as well as pump protection. The TFS Series is designed for industrial use in all areas of process technology and can be used with liquids and slurries. With a tuning fork insertion length of only 45 mm (1.77"), the TFS switch can be mounted in small pipes and applications with confined space. The TFS Series can be used in difficult conditions including turbulence, air bubbles, and foam.