Products
If a hardness tester is used continually, the instrument should be tested against a test block. This will give a good indication if the instrument is out of calibration or if the indenter has been damaged.
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TEST BLOCKS
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PRODUCT NUMBER
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SCALE
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RANGE
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PRODUCT NUMBER
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SCALE
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RANGE
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HRA90
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HRA
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89-92
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HR15N-L
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HR15N
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Low
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HRA80
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HRA
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79-82
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HR15N-M
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HR15N
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Medium
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HRA70
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HRA
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69-72
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HR15N-H
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HR15N
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High
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HRB92
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HRB
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90-95
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HR30N-L
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HR30N
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Low
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HRB85
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HRB
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85-90
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HR30N-M
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HR30N
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Medium
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HRB60
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HRB
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60-62
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HR30N-H
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HR30N
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High
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HRB50
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HRB
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40-59
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HR15T-L
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HR15T
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Low
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HRC60
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HRC
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60-65
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HR15T-M
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HR15T
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Medium
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HRC40
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HRC
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40-46
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HR15T-H
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HR15T
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High
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HRC30
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HRC
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30-40
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HR30T-L
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HR30T
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Low
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HRC20
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HRC
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20-30
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HR30T-M
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HR30T
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Medium
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HR30T-H
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HR30T
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High
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TEST BLOCKS
MICRO HARDNESS |
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PRODUCT NUMBER
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SCALE
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PRODUCT NUMBER
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SCALE
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100HV
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Vickers
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100HK
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Knoop
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200HV
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Vickers
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200HK
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Knoop
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300HV
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Vickers
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300HK
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Knoop
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400HV
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Vickers
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400HK
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Knoop
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500HV
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Vickers
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500HK
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Knoop
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600HV
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Vickers
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600HK
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Knoop
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700HV
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Vickers
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700HK
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Knoop
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800HV
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Vickers
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800HK
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Knoop
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