Swirl Master Flow Meter FSS 430 / 450


 

Swirl Master Flow Meter FSS 430 / 450

ABB offers Swirl Master Flow Meter for reliable measurement of Liquids, gases, and steam in volume, mass or energy units with a measurement accuracy of 0.5% of measured value. The Model variants are FSS 430 and FSS 450 ( With integrated temperature Compensation and flow computer functionality.)

The inlet pipe converts the axial flow of the incoming measuring medium into rotational movement. In the center of this rotation, a vortex core is formed which is forced into a secondary spiral-shaped rotation by the backflow. The frequency of this secondary rotation is proportional to the flow and, if the internal geometry of the meter measuring device exhibits an optimum design, will be linear over a wide measuring range. This frequency is measured by a Piezo sensor. The frequency signal from the flowmeter sensor, which is proportional to the flow, undergoes downstream processing in the transmitter.


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