FIELD: physics.
SUBSTANCE: flow state sensor has at least one frequency detecting device for detecting at least one predefined frequency characteristic of the flow state. The frequency detecting device has at least one oscillation element excitable to resonant oscillatory movement by a flow, and has a resonant frequency or natural frequency adapted to the predefined frequency characteristic, particularly corresponding to the predefined frequency characteristic. Also disclosed is use of the flow state sensor in a flow measuring device and in a flow measuring method, as well as the preferred method of making the flow state sensor.
EFFECT: simple design and easy operation.
25 cl, 6 dwg
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