COMBINES PRECISE MEHCANICAL STRUCTURE AND THE LOAD CELL SYSTEM. .5% ACCURACY COMPRESSION SYSTEM TO AUTOMATCIALLY COMPENSATE THE TEST FORCE LOST. EXTERNAL DIGITAL MICROSCOPE. DIRECTLY SHOWS THE HARDNESS VALUE, TEST FORCE, DWELL TIME AND INDENTATION LENGTH. AUTOMATICALLY GETS HARDNESS VALUE AND DISPLAYS ON SCREEN. SUITABLE FOR CAST IRON, STEEL, NON FERROUS METALS, SOFT ALLOYS AND SOME NON METALS.