The Endress+Hauser Liquiphant FTL31 is a compact and reliable vibrating fork point level switch designed for universal use in liquids. It serves as an ideal solution for overfill prevention or pump dry-run protection in storage tanks, agitated vessels, and pipelines across various industries. The FTL31 operates on the tuning fork principle, ensuring safe and accurate switching independent of changing media properties such as conductivity, build-up, turbulence, or air bubbles. This specific model, FTL31-AA4M2AAWBJ, is constructed from durable 316L stainless steel and features a standard G1 process connection. Its plug-and-play functionality requires no calibration or adjustment, simplifying installation and commissioning for maintenance-free operation.