| 摘要 |
The present invention provides a strain detector improved in output characteristic, in which no internal stress is generated in strain resistance elements even with it fixed on a fixing member. The strain detector is configured in that a detection hole is provided nearly at the center of a insulating substrate, a fixing hole is formed at the position of peripheral end, a portion around the detection hole is pressed by a pressing member, one holding member and the other holding member are provided with fixing holes opposing to the fixing holes of the insulating substrate, and the peripheral end of the insulating substrate is fixed by the fixing. member inserted. Accordingly, the detection hole in the insulating substrate is peripherally displaceable in vertical direction with respect to one holding member and the other holding member.
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