| 摘要 |
A hydrogen sensor of contact combustion type, comprising a mounting base pla te (29) having a gas detection chamber (34) formed therein, a detected gas inle t (35) provided in the mounting base plate (29) and opening to an outlet side passage (24) to lead hydrogen gas into the gas detection chamber (34), a gas detection element (39) stored in the gas detection chamber (34) to detect hydrogen gas, and a water-repellent filter (44) covering the detected gas inlet (35). |
