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                                 Initial Test Force: 3kg 
Total Test Force: 15kg, 30kg, 45kg 
Indenter: 120°diamond cone 
Ф1.588mm carbide ball  
Ф1.588mm steel ball  
Accuracy: Meets the requirements of ISO6508, ASTM E 18 
Resolution: 0.5HR 
Testing Range: HRN, HRT,HRW, HRX, HRY, etc. 15 scales. 
Application: All metals including iron, steel copper, aluminium, zinc, lead, tin, carburized steel, nitrided steel etc. 
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