W-HRD-45A The Electric Surface Rock-well Hardness Tester

W-HRD-45A The Electric Surface Rock-well Hardness Tester Main features:

1. Loading lever, reliable and durable, laboratory process automation, one for operator error
2. Dial direct reading, HRN, HRT, and optional Rockwell other scales
3. Precision hydraulic buffers, steady load and speed adjustable
4. No friction spindle, high precision experiments force
5. Accuracy according to GB / T230.2, ISO6508-2 and American ASTM E18 Standard