The mechanical and optical safety switch is responsible for controlling the maximum horizontal displacement, set at 20 mm, on the Automatic Shear Testing Machine. This safety feature ensures that the machine automatically stops the test if the horizontal displacement exceeds the predefined limit, thereby preventing potential damage to the machine and the test specimen. The incorporation of both mechanical and optical components in the safety switch provides a dual layer of protection, offering precise monitoring and immediate response to displacement limits during testing.

This functionality is particularly helpful during shear strength tests, where exceeding the intended displacement could compromise the accuracy of the test results or cause undue stress on the machine’s components. By maintaining the displacement within safe operational limits, the NG-Shear DGEN preserves the integrity of the testing process and extends the equipment’s lifespan. Additionally, this safety mechanism supports a controlled testing environment, allowing for reliable and consistent data collection essential for geotechnical analysis and research.

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