Indenter tip stroke: 0-2.5 mm. Indenter tip pressure: A: 0.55-8.05N. This hardness tester complies with the relevant provisions of GB/T 531, GB 2411, HG/T 2489, and JB 6148. Check before usage,and make sure it display"0.0”in free state(If not,press the"z"key to set zero).
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