| 摘要 |
PROBLEM TO BE SOLVED: To solve problems that a cylindrical axial direction stress type power meter cannot be reduced in the total height, the output electricity of an electric strain gauge must be increased to the necessary voltage or above for a light-load power meter (several hundreds kgf or below), the thickness must be set to one-several hundredth through one-several tenth of 1 mm to make the stress of a stress cylinder section 2,000-8,000 kgf/cm2, and manufacturing and machining are difficult. SOLUTION: This strain gauge type power meter applying a load to a stress disk via a flexible load transfer section is provided with a flexible tubular load input section 2 and a load output section 4 protruded on the coaxial line with the stress disk from one face 3 and the other face 5 of the stress disk 1 and different from each other in diameter. Strain gauges 6 and 7 are provided concentrically with the stress disk on one face and the other face respectively, the other end of the load input section is continued to a pressure plate 8 on one face side, and the other end of the load output section is continued to a pressure plate 9 on the other face side.
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