Touch Screen Brinel Rockwell Vickers Universal Brinell Testing Machine Brinell Hardness Machine HBRV-187.5DX Introduction: Digital multi-functional universal hardness tester has Brinell, Rockwell, Vickers three testing methods, has seven grade test force ,it can meet the needs of a variety of hardness tests. Test force loading, dwell, unload adopted automatic switching mechanism, test force transformation obtained by the rotation of hand wheel, indentation measured by