NewSonic SonoDur2 Issue 04 09/2016 Page 13
2.4 Hardness Testing Requirements
An adequate training of operating personnel in the field of material testing is required in order to
perform hardness measurements. This includes, for instance, adequate knowledge of:
General hardness testing
Effect of material characteristics on the hardness testing and selection of the measurement
system
Influence of surface condition
Selection of test force
Understanding about the comparability to other measurement methods, conversion.
Attention:
Lack of knowledge may lead to incorrect test results and cause unforeseeable consequences!
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