
Operation Manual
Hardness Tester NOVOTEST T-UD3
Page. 24
12.
After pushing the trigger button the impact body hits the tested surface and the value of
measured hardness is displayed (Figure 2.18).
Figure 2.18 – The display after the Leeb probe measuring
Caution!
The minimal distance between the points of measuring (imprints) should be not less than 3 mm.
Repeated measurements at the same point are not allowed. They give overestimated values of the
product hardness due to cold-worked metal in the imprint zone.
2.3.6 Measurement modes
Enter measurement mode and press <
> key to enter the mode selection menu (Figure 2.19).
The device will offer user the following measurement modes:
−
GRAPH – graph drawing mode;
−
HISTOGRAM – histogram building mode;
−
STATISTICS – statistics mode;
−
SMART – measurement failure filtration mode;
−
SIGNAL – signal displaying mode (for the Leeb probe only).
Figure 2.19 – Measurement mode selection
Press <
> key to set up the selection.
2.3.6.1 GRAPH
In this mode, the device displays the current measurement value or the average value of the series
of measurements in the form of a graph (Figure 2.20), depending on the settings in the menu settings.