HR-600 is the first Mitutoyo hardness tester to be equipped with a moving head. The head moves at a speed of 10 mm/s within a 210 mm range.

PP, HDPE, ABS/PMMA, and PS were chosen as representative plastics. The test conditions are shown in Table 3, and Fig. 2 shows the appearance of the DUH-210 Dynamic Ultra Micro Hardness Tester for ...