Hardness testers are devices used to measure the hardness of materials, which is the resistance of a material to indentation or scratching. Brinell hardness tester is a type of instrument used to measure the hardness of materials using the Brinell hardness test method. Hardness testing procedures involve a series of steps to measure the hardness of a material accurately. While the specific procedures may vary depending on the hardness testing method and equipment used. Allowing the load to remain on the material’s surface for a predetermined period to ensure proper indentation. portable hardness tester is a type of hardness testing instrument that is designed to be lightweight, compact, and easily transportable for on-site or field hardness testing.

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