Portable hardness tester device equotip2D with ISO certificate which can measure in rockwell brinell and Vikers scales is the product of swiss company who invent the velocity method of determining the hardness of the metals. The measurement method of the device was defined in ASTM A 956. EGE LİNYİTLERİ İŞLETMESİ made his choice to this device Because of those properties.