... materials metallographic composition TypeMHV-5 MHV-10 MHV-30 MHV-50 Testing Forces N1.961, 2. ... 2, 2.5, 3, 5, 10, 20, 30, 50Carriage ControlAutomatic(loading/holding-up of loading /unloading)Holding Time ... 20x, 40x can be selected according to user’s requirementStandard accessoriesX-Y stage test able Largest test table ... screen Vickers Hardness Tester MHV-5/10/30/50 for Glass, ceramics, agate China Vickers ...