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Hardness scale
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HL, HB, HRB, HRC, HRA, HV, HS
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Memory
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48～600 groups （impact times: 32～1）
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Measuring range
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HLD（170～960）See below table 1 and table 2
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Accuracy
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±6HLD (760±30HLD) error of displayed value
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Standard Impact Device
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D
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Optional Impact Devices
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DC/D+15/G/C/DL
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Min. Radius of Workpiece
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Rmin = 50mm (with special support ring Rmin= 10mm)
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Min. Workpiece weight
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2~5kg on stable support
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0.05~2kg with compact coupling
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Min. Workpiece thickness
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5mm (Impact Devices D/DC/DL/D+15)
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1mm (Impact Device C)
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10mm (Impact Device G)
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Min. thickness of hardened surface
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0.8mm
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Power
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Continuous Working time
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approx. 100 h (no back light off)
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Operating temperature
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0~40℃
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Relative humidity
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≤90%
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Overall dimensions
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125*67*31mm (main unit)
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Weight
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0.3kg (main unit)
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