SITRANS FS220

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…
Benefits
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 customizable parameters on the same screen
- Easy servicing – includes removable SensorFlash® microSD card and built-in USB service port
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



