| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a strain detector in which water does not reach a strain resistance element and which exhibits an always stable output characteristic. SOLUTION: A first protective layer 20 is installed so as to cover the surface of an insulating board 11 and surfaces of strain resistance elements 17, and a second protective layer 30 is installed so as to cover the surface of the layer 20.</p> |
