SITRANS FS220 (User Friendly) - Clamp-On Ultrasonic Flow Meter


ABLE Instruments offer the SITRANS FS220 digital clamp-on ultrasonic flowmeter, which 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.


Built on the same architecture as other next-generation digital flow systems from Siemens, the SITRANS FS220 features among others:

  • 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 customisable parameters on the same screen
  • Easy servicing – includes removable SensorFlash microSD card and built-in USB service port

SITRANS FST020 wall-mount transmitter:

  • Single channel
  • Modbus RTU, compatible with SIMATIC PDM Communication
  • IP65 (NEMA 4X) enclosure rating
  • 240 x 160, fully graphical display
  • 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)
  • ±12 m/s (±40 ft/s), bidirectional flow range
  • 12.7 mm to 10 m (0.5″ to 394″) pipe size range
  • Approvals: UL, ULc, CE
SITRANS FS220 (User Friendly)
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