It serves to measure the hardness of ferrous, non-ferrous metals, hardmetals, carburized or nitrided layers, and other chemical treating layers.It is also used to for the hardness test of thin pieces.

• 45型光学表面洛氏维氏硬度计适用于黑色金属、有色金属、硬质合金、渗碳、氮化层和其他化学处理层及薄形零件的硬度测定。