| 摘要 |
PROBLEM TO BE SOLVED: To realize a gas pressure detecting device with high accuracy and high reliability by stably detecting pressure in gasses to be measured (LP gas and city gas). SOLUTION: A pressure sensor element 1 is supported above a protruding part 14 for setting the interval of the pressure introducing tube 4 of a sensor case 5 integrally molded with a lead from 3 and a pressure introducing tube (gas proof material) 4 via a gas-proof adhesive 2 to from a gas pressure detecting passage so as to be airtightly held. A pressure introducing part 16 to come into contact with a gas to be measured is formed of a rubber sealing material or gas-proof material. By this, it is possible to prevent material degradation due to a fluid to be measured. By applying the gas-proof adhesive evenly in thickness, the function of buffering stress is sufficiently demonstrated, and the stability of output is improved.
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