Hardness Tester Automatic Scales HB HR15N HR15T HR30N HR30T HR45N HR45T HRA HRB HRC HRD HRF HV Measuring Range 8 to 650HBW Resolution 0.0246 in 0.625 mm Magnification 20X Indenter Ball Work Surface Depth (In.) 6 1/2 in Max Workpiece Height (In.) 7 7/8 in Features Measure Indentation Measuring Microscope Read Hardness Value From LCD Force Loading By Electric Motor Without Weights LCD Touch Screen Digital Display