16 Chapter 2
Figure 2.6: Graphic measure screen in select / edit mode
Use the
-
to edit and to save the change in the hardness unit
touch
.
In rebound hardness testers that use a separate impact device, the
angle in which the impact device is used, can affect the hardness value.
In order to avoid erroneous measurements set the electronic unit to
the same angle in which the impact device will be used.
Figure 2.7: Icons corresponding to the impact device angles