AMV Scientific Co.

Brinell Hardness Tester is a device used to measure the hardness of materials, especially metals, by pressing a hard steel or carbide ball into the material's surface under a specified load. The resulting indentation is then measured, and the hardness value is calculated based on the size of the indentation. The Brinell hardness test is one of the oldest and most commonly used hardness testing methods, particularly for materials with a coarse or uneven grain structure, such as castings or forgings.

Vickers Hardness Tester is an instrument used to measure the hardness of materials, specifically metals and alloys. The Vickers hardness test (often abbreviated as HV) is a widely used method because of its ability to measure hardness across a wide range of materials, including very soft and very hard substances. It is based on the principle of indentation testing, where a diamond pyramid indenter is pressed into the surface of a material under a specific load.