Pressure sensor using strain gauges

摘要

The pressure sensor (1) has a cylindrical body (2) on which an extension measuring circuit (5) is imprinted. The measuring circuit comprises balancing resistors (10), which electrically connect conductive paths (11a-11d) with each other. One of the balancing resistors comprises a form, which is curved in a circumferential direction. The conductive paths curvably extend in the circumferential direction, and are placed at a distance from each other. The paths are electrically connected with each other in a radial direction. The body is made of ceramic.