Digital Rockwell Hardness Tester
The Starrett 3831 Digital Rockwell Hardness Tester can be used directly to measure the most popular regular Rockwell hardness scales, and it can quickly convert that hardness value into HB, HV, HLD, HK, and many other scales. Loaded with many useful features such as ultra-precise results, wide measuring range, scale and test force selectable, automatic main test force loading/unloading, high-resolution digital display and USB data storage. The 3831 is suitable for testing the hardness of carbon steel, alloy steel, cast iron, non-ferrous metals, and engineering plastics.