Feature & Use: * Automatic testing process, no human operating error * Precision conforms to GB/T 4340.2, GB/T 231.2, ISO6506-2, ISO6507-2, ASTM E92 and ASTM E10 It's suitable to determine the Vickers hardness of steel, non-ferrous metals, ceramics, treated layers of metal surface, and the hardness grads of carburized, nitrided and hardened layers of metals. It is also suitable to determine the Vickers hardness of micro and super thin parts and the Brinell hardness of soft metals and small parts. Specifications Measuring range: 8-650HBW, 10-3000HV Test force: 9.807, 24.52, 49.03, 98.07, 196.1, 294.2N (1, 2.5, 5, 10, 20, 30kgf) Max. height of test piece: 130mm Depth of throat: 100mm Magnifications of the measuring system: 500X, 125X Min. scale value of the optical micrometer: 0.25um Power supply: 220 AC or 110V AC, 50 or 60Hz Dimensions: 438 x 382 x 708mm Weight: approx. 88kg Standard accessories Coordinate anvil: 1 pc. Large flat anvil: 1 pc. Small flat anvil: 1 pc. V-notch anvil: 1 pc. Tungsten carbide ball penetrator: Φ1, Φ2mm, 1 pc. each Diamond pyramid penetrator: 1 pc. Brinell standardized block: 2 pcs. Vickers standardized block: 2 pcs. Electronic calculator: 1 pc.