Rockwell Hardness Tester

"The Rockwell hardness testers manufactured by TX company apply Rockwell hardness testing principle, with initial test force 10kgf, total test force 60kgf, 100kgf and 150kgf, and three kinds of indenters: 120° diamond cone indenter, 1.588mm and 2.5mm

http://www.txinstruments.com/products/rockwell-hardness-test...