DFX-7
Ultrasonic Flaw Detector
89
3) Press the
ENTER
key to display the list of material types.
4) Press the
UP
and
DOWN
arrow keys to scroll through the material list until
the appropriate material is highlighted.
5) Press the
ENTER
key to overwrite the material type and display the menu
items with the new material type selected.
6) Finally, press the
MEAS
key to return to the measurement screen and begin
taking readings.
11.6 Material Velocity
The
DFX-7
has a built in feature to manually adjust the material velocity to a know
value in the calibration section of the
DFX-7
. It should be noted that this does not
calculate the zero value like the two point calibration option does. Therefore, if the
material velocity is changed you should check the calibration. The procedures for
adjusting the velocity are outlined below:
Adjusting Velocity
