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1. Rockwell scale: HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK
2. Rockwell test force: 60kgf (588N), 100kgf (980.7N), 150kgf (1471N)
3. Brinell scale: HBW2.5/31.25, HBW2.5/62.5, HBW5/62.5, HBW2.5/187.5
4. Brinell test force: 31.25kgf (306.5N), 62.5kgf (612.9N), 187.5kgf (1839N)
5. Vickers scale: HV30, HV100
6. Vickers test force: 30kgf (294.2N), 100kgf (980.7N)
7. Hardness reading: Rockwell: dial type; Brinell, Vickers: measuring microscope
8. Microscope magnification: 37.5×, 75×
9. Hold time: 2~60s
10. Maximum height of specimen: Rockwell: 170mm; Brinell, Vickers: 140mm
11. Instrument size: 520×240×700mm
12. Instrument weight: 80kg
13. Power supply: AC220V±5%, 50~60Hz
