Detector for use in measurement of flow speed or flow rate of a fluid

摘要

A detector for use in measurement of flow speed or flow rate of a fluid, comprising a bluff body disposed in a pipe, detection elements provided in the groove of the bluff body for detecting Karman's vortex streets shed by the bluff body, and a fluid passage for introducing the fluid pressure change resulted in the pipe by the Karman's vortex streets to the detection elements.