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I think it will come down to the quality of your amplifier. Let's put some numbers together. With 10 volt excitation (typical) and a gage factor of 2.2 (typical), and full bridge wiring as per line 9 in this reference (https://www.hbm.com/en/7163/wheatstone-bridge-circuit/, there are other ways to do a full bridge but this is common), 40e-6 in/in would ...


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Let's imagine a solid cylinder attached to a fix support at one end and free at other. We twist it at the other end by a torque. It will rotate about it's axis without warping, ( small angles condition). Now we cut the cylinder with laser longitudinally in 4 cuts into 8 triangle sections, radiating from the center of the circle, so if you look at the cross ...


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The reason is symmetry. For a circular rod under torsion, if you rotate the rod through any angle the warped shape has to look the same, because there is no "special" point around the circumference where you can start measuring angles from. So, if the rod warps, the warped shape can only vary with the radius across the section. Similarly, the warping must ...


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