HK-D_HK-DB-BA-e-2020
15
Table 6
Type
of
rebound
sensor
Distance from the centre of
the two indentations
Distance from the centre of the
indentation to the corner of the test
piece
Not less than(mm)
Not less than(mm)
D, DC
3
5
DL
3
5
D+15
3
5
G
4
8
C
2
4
Reading the measured value
Print measurement result
The special procedure is described in chapter 6.3.3 and 6.6
To switch off, press the
off button
Evaluation of the test results
The mean value of 5 valid test points can be recorded as a test result of the Leeb
hardness.
What the measurement result expresses
- The hardness value appears on the display above HL (the Leeb hardness symbol).
The type of rebound sensor can be read to the right after the letters HL. For example,
700HLD means that the hardness is 700, measured with the rebound sensor D.
- For other hardness types into which Leeb hardness has been converted, the
corresponding hardness symbol should be added before the Leeb hardness symbol.
Go to
Example 400HVHLD, which states that the Vickers hardness value is 400, which was
converted from the Leeb hardness value measured with the rebound sensor D.
Important note:
HL values measured with different types of rebound sensors are different.
For example: 700 HLD does not equal 700 HLC!
Summary of Contents for HK-D
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