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Best-in-class performance and day-to-day operation
Monitoring your processes with accurate clamp-on ultrasonic flow measurement leads to higher transparency, improved productivity – and a better bottom line. To optimize every operation, we offer a comprehensive selection of clamp-on flow sensors, transmitters and complete flow systems.
Clamp-on ultrasonic flowmeters showcase the benefits of digital signal processing: market-leading accuracy, noise immunity and reliability.
High speed update rate ensures superior user-friendliness at every stage of installation and operation. With no pressure drop or energy loss, a wide turndown ratio and non-intrusive sensors that can be installed without cutting into the pipe, makes these sensors the ideal solution for liquid flow measurement. The flow system consists of a transmitter paired with clamp-on ultrasonic sensors, which are available in three different versions: WideBeam® (High-Precision), Universal and High-Temperature. The sensors feature low maintenance and high precision – even for applications with high levels of aeration or suspended solids.
HVAC
Power engineering
Water and wastewater
Chemical Industry
Transducers can be replaced under pressure
No pressure drop
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
| Range | ±12 m/s (±40 ft/s), bidirectional |
| Flow Sensitivity | 0.001 m/s (0.003 ft/s) flow rate independent |
| Pipe Size range | 12.7 mm to 10 m (0.5" to 394") |
| Working Temperature | -10 ... +50 °C (14 ... 122 °F) |
| Storage Temperature | -20 ... +60 °C (-4 ... +140 °F) |
| Material (pipe) | Steel EN 1.0345-P235GH |
| Material (transducer) | Stainless steel AISI 316 or similar |
| Accuracy | 1% for velocities ≥ 0.3 m/s (1 ft/s) |
| Repeatability | ± 0.25 % (according to ISO 11631) |
| Channels | Single Channel |
| Input | 2x digital inputs for totalizer start/stop and reset |
| Output | 1x 4 -20 mA, 1x relay, 1x pulse/frequency |
| Output (transducer) | 4 – 20 mA HART PROFIBUS PA |
| Display | 240 x 160, fully graphical |
| Display units | All standard engineering units in m3, litre, gallon, ft3, imperial gallon |
| Communication | Modbus RTU, compatible with SIMATIC PDM |
| Power Supply | 100 ... 240 V AC @ 20 VA or 11.5 ... 28.5 V DC @ 10 W |
| Dimensions (W x H x D) | 176 x 240 x 87 mm (6.9 x 9.5 x 3.4 inch) |
| Enclosure Material | Polycarbonate |
| Protection Class | IP65 (NEMA 4) |
| SITRANS FST020 | Transmitter |
| SITRANS FSS 200 | Clamp-on ultrasonic sensors |
External Controller
Product Code: AN-EXT-CNTLR
COMMUNICATION
Product Code: AN-COMM
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Best-in-class performance and day-to-day operation
