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300HRSS-150 AUTOMATIC FULL SCALE ROCKWELL HARDNESS TESTER

300HRSS-150AUTOMATIC FULL SCALE ROCKWELL HARDNESS TESTER Feature & Use * Test force closed-loop control * Automatic tracking and testing, no test error caused by deformation of frame and workpiece * Measuring head can move upwards or downwards and clamp the workpiece automatically, no need to apply preliminary test force by hand * High accuracy optical grating displacement measuring system * Large test table, which is suitable for testing of abnormal shape and heavy workpieces * The first test is effective * Large LCD display, menu operation, complete functions (data processing, hardness conversion between different hardness scales) * RS232 data interface (optional) * Upper-computer is optional (equipped with special software) * Precision conforms to GB/T 230.2, ISO 6508-2 and ASTM E18