SITRANS FS220

High accuracy and repeatability – accuracy of 1% of flow rate and repeatability of 0.25% according to ISO 11631 Exceptional zero stability – minimal need to set a zero point Best-in-class user-friendliness – fully graphical display with simple menu navigation, multiple setup wizards and the option to display up to 6 customizable parameters on the same screen Easy servicing – includes removable SensorFlash® microSD card and built-in USB service port The SITRANS FS220 digital clamp-on ultrasonic flowmeter provides the most essential flow measurement functionalities with superior accuracy, cost efficiency and ease of use. It is the best-in-class solution for straightforward flow monitoring of liquid processes. The SITRANS FS220 flow system consists of a SITRANS FST020 transmitter paired with SITRANS FSS200 clamp-on ultrasonic sensors, which are available in three different versions: WideBeam® (High-Precision), Universal and High-Temperature. The FSS200 sensors feature low maintenance and high precision – even for applications with high levels of aeration or suspended solids. SITRANS FST020 wall-mount transmitter CHANNELS Single channel COMMUNICATION Modbus RTU, compatible with SIMATIC PDM ENCLOSURE RATING IP65 (NEMA 4X) DISPLAY 240 x 160, fully graphical POWER SUPPLY 100-240 V AC 15 VA max., 11.5-28.5 V DC 7.5W max. INPUTS 2x digital inputs for totalizer start/stop and reset OUTPUTS 1x 4 -20 mA, 1x relay, 1x pulse/frequency ACCURACY 1% for velocities ≥ 0.3 m/s (1 ft/s) FLOW RANGE ±12 m/s (±40 ft/s), bidirectional PIPE SIZE RANGE 12.7 mm to 10 m (0.5″ to 394″) APPROVALS UL, ULc, CE Typical applications: water and wastewater, HVAC, power and chemical