SADT HBRV-187.5 Brinell Rockwell & Vikers 경도 시험기 (20~70HRC;40~1000HV;8~650HBW)

Test range: 

Rockwell HRA: 20~75,±2, 75~88,±1.5 HRB: 20~45,±4, 45~80,±3, 80~100,±2;HRC: 20~70,±1.5 

Vickers: 40HV~1000HV, 100~250HV,±2%, 300~1000HV, ±3% 

Brinell HBW: 8~650, <125, ±3%, 125~225, ±2.5%, >225, ±2% 

Scale: HBW2.5/31.25, HBW2.5/62.5, HBW2.5/187.5, HBW5/62.5

HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRK, HRH

HV30, HV100

Preliminary test force: 98.07N(10kg)

Rockwell hardness test: 60kgf (588.4N), 100kgf (980.7N), 150kgf (1471N)

Brinell test force test: 30kgf (294.2N), 31.25kgf (306.5N), 62.5kgf (612.9N), 100kgf

(980.7N), 187.5kgf (1839N)

Vickers hardness test: 30kgf (294.2N), 100kgf (980.7N)

Minimum unit of measurement: 4μm (Brinell), 2μm (Vickers)

Test force dwell time: 2-60s

Magnification of microscope x: 37.5x (Brinell), 75x (Vickers)

Max. height of specimens (mm): 185(Rockwell), 115(Vickers), 100(Brinell)

Max. depth of specimens (mm): 165

Power: AC220V, 50-60Hz

Dimension (DxWxH) (mm): 520 x 240 x 700

Net weight (kg): 80