Hard facts
Applications & tips
Back to overviewAccording to ISO 6507 and ASTM E92 resp. ASTM E384, the standardised period of exposure to the test force is between 10 and 15 seconds (nominal time duration according to ISO: 14 s).
If the exposure period is longer or shorter than the range specified in the standard, then this must be documented in the measurement result.
Example: 650 HV30/25, means: 25 seconds test force exposure