Máy đo độ cứng siêu âm JFE Advantech SONOHARD SH-22-E1, SH-22-E2, SH-22-E4

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Indentation size

Relationship between Vickers hardness value and indentation size

HVxxx = 0.1891 × F / d ²P : Indenting force( N） d : Indentation depth( mm)

HVxxx = 1.85437 × P / d ²P : Indenting force( kgf） d : Indentation depth( mm)

Hardness (HV)	Indentation size (calculated value)	Indentation depth (calculated value)	Reference hardness (HRC)
400	0.021 mm	0.003 mm	41
800	0.015 mm	0.002 mm	64

Hardness (HV)	Indentation size (calculated value)	Indentation depth (calculated value)	Reference hardness (HRC)
200	0.136 mm	0.019 mm	(11)
400	0.096 mm	0.014 mm	41
800	0.068 mm	0.010 mm	64

Specification

Model name	Handy hardness tester SONOHARD ® SH-22 type
Measurement indenter	Micro Vickers Diamond Indenter
Frequency	Manual probe: about 38 to 40 kHz
Measurement load	SH-22-E1: 10 N (about 1 kgf) SH-22-E2: 20 N (about 2 kgf) SH-22-E4: 40 N (about 4 kgf)	SH-22-S005: 1N (approximately 0.1 kgf)
Measuring range	Vickers hardness: 100 to 1000 HV Rockwell C hardness: 10.0 to 70.0 HRC Rockwell B hardness: 60.0 to 100.0 HRB Shore hardness: 20.0 to 100.0 HS Brinell hardness: 85 to 550 HBW	Vickers hardness: 400 to 1000 HV (Hardness value in scales of HRC, HRB, HS, HBW are also indicated fore reference)
Reproducibility (with measuring stand)	Vickers Hardness: ± (3% rdg) HV Rockwell C Hardness: ± 1.0 HRC Rockwell B Hardness: ± 2.0 HRB Shore Hardness: ± 1.0 HS Brinell Hardness : ± (3% rdg) HBW	Vickers hardness: ± (5% rdg) HV
Nonlinearity (with measuring stand)	200 to 1000HV± (5% rdg)HV (Measuring on stadard block)	400 to 1000HV± (5% rdg)HV (Measuring on stadard block)
Measurable tolerance angle	Within ± 3 °

Hardness (HV)	Indentation size (calculated value)	Indentation depth (calculated value)	Reference hardness (HRC)
200	0.096 mm	0.014 mm	(11)
400	0.068 mm	0.010 mm	41
800	0.048 mm	0.007 mm	64

Model lineup	SH-22-S005	SH-22-E1	SH-22-E2	SH-22-E4
Indenting force	1N（ Approx. 0.1kgf）	10N（ Approx. 1kgf)	20N（ Approx. 2kgf）	40N（ Approx. 4kgf）
Typical application	Press-formed metal sheet Gravure printing roll （chrome/copper plated） Thin metal sheet, Thin plated sheet	Crankshaft Camshaft Gravure printing roll （copper plated） Gear, Small parts Narrow measuring area, Bearing, Nitrided part	Crankshaft Camshaft Heat treated parts Nitrided part	Crankshaft （Rougher surface） Camshaft （Rougher surface） Object of rougher surface Welded part, forged parts （Mainly adopted to be equipped automatic testing machines