| 摘要 |
PROBLEM TO BE SOLVED: To provide a sensor capable of improving responsiveness while protecting a detection part.SOLUTION: A sensor for detecting the moisture content in oil includes: a detection element 20; and a cylindrical cover 12 inside which the detection element 20 is housed. In the cover 12, a plurality of second introduction holes 26 whose size is smaller than that of the detection element 20 are formed in the circumferential direction. The second introduction holes 26 are formed in positions prevented from being opposed to each other.SELECTED DRAWING: Figure 1 |
