FIELD: instruments which convert speed of gas or liquid flow to digital signal, in particular, transducers of air speed of aircraft. SUBSTANCE: device has hard- streamline body which has trapezoid and rectangular prisms which are connected by means of lesser base of trapezoid prism and side surface of rectangular prism. Said body is located guides and is mounted on strut which cross section is laminar, greater base of trapezoid prism is directed in opposite to flow. In addition rectangular prism is designed as layered structure which has alternating elastic and piezoelectric plates which are rigidly attached. outputs of piezoelectric plates are connected to input of electronic processor which is equipped with corresponding software. EFFECT: increased functional capabilities. 2 cl, 2 dwg
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