Patent ID: 8863578
Filing Date: 2014-10-21
Classification: G01L

Abstract:
1. A pressure gauge for measuring the pressure of a fluid flowing through a pipe, comprising a metallic pressure gauge body having a straight and cylindrical internal space penetrating the pressure gauge, the pressure gauge body comprising: a strain-measurement strain gauge attaching surface on the outside surface of the pressure gauge, at a portion having a thickness where pressure produced in the internal space when a fluid is made to flow through the internal space can be detected with a strain gauge attached, the strain-measurement strain gauge attaching surface being at a part of the outside periphery of the internal space; and a portion having a thickness where the pressure produced in the internal space is impossible to detect even with a strain gauge attached; the pipe being connected to a fluid inlet and outlet of the internal space and a strain-measurement strain gauge being attached to the strain-measurement strain gauge attaching surface, to measure the pressure of the fluid in the internal space.