| 摘要 |
PROBLEM TO BE SOLVED: To provide a pressure sensor for ultra-high pressure fluid. SOLUTION: The pressure sensor has a joint part (6) for securing the pressure sensor to the channel wall (5) of fluid, and a pressure detecting element part (7) formed independently from the joint part (6) and held by the joint part (6). The pressure detecting element part (7) is provided with a pressure seal face (10) and the joint part (6) is provided with means (13, 14) for imparting a sealing force between the pressure seal face (10) and the channel wall (5).
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