The Baumer PF20S is an industrial flow sensor engineered to measure liquid flow velocity and media temperature in a single compact unit for process automation and monitoring. It uses a calorimetric measurement principle where the sensor tip alternately heats and measures how quickly the medium cools, providing accurate flow data across a broad industrial range from approximately 10 cm/s up to 400 cm/s and supporting a wide media temperature range. Its robust stainless steel construction and flexible process connections make it suitable for a variety of liquid system applications including cooling circuits, pump protection and flow control.
The PF20S offers multiple output options including analog (4 … 20 mA, 0 … 10 V), IO‑Link digital interface, and programmable switching outputs, allowing seamless integration with PLCs, controllers and SCADA systems. With orientation‑independent installation capability, high vibration resistance and environmental protection up to IP67/IP68/IP69K, this sensor delivers reliable performance in demanding industrial environments such as water, cleaning agents and cooling media monitoring.
