Model |
KSU300 |
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Standard |
DIN50159- 1-2008; ASTM-A1038-2005; JB/T 9377-2010; JJG-654-2013; GBT34205-2017 |
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Range |
HV50- 1599, HRC20-76, HB76-618, HRB41- 100, HRB41- 100, HRA61-85.6, Mpa255-2180 |
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Test Error |
HRC: ± 2HRC; HB: ± 3%HB; HV: ± 3%HV |
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Maximum allowable relative error |
Hardness of standard test block |
Maximum allowable relative error of hardness tester % |
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HV10 |
HV5 |
HV2 |
HV1 |
HV0.8 |
HV0.3 |
HV0. 1 |
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<250HV |
4 |
4 |
4 |
4 |
4 |
5 |
5 |
|
250HV-500HV |
4 |
4 |
4 |
4 |
4 |
6 |
6 |
|
>500HV-800HV |
4 |
4 |
5 |
5 |
5 |
7 |
7 |
|
>800HV |
4 |
4 |
6 |
6 |
6 |
8 |
8 |
|
Probe test force |
2kgf(optional 0.5kgf, 1kgf, 5kgf, 10kgf) |
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Working temperature |
-20C~50C |
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Working humidity |
<=85% |