Dakota Ultrasonics DFX-8 plus MANUAL2 - Manual (Page 17)

DFX-8
Ultrasonic Thickness Gauge
13
Using a Known Thickness
Note: Be sure that the probe zero procedure has been performed prior to
performing this calibration procedure.
1) Physically measure an exact sample of the material or a location directly on
the material to be measured using a set of calipers or a digital micrometer.
2) Apply a drop of couplant on the transducer and place the transducer in
steady contact with the sample or actual test material. Be sure that the
reading is stable and the repeatability indicator, in the top left corner of the
display, is fully lit and stable. Press the MENU key once to activate the
menu items tab. Press the MENU key multiple times to tab right and the
ESC key multiple times to tab left until the CAL menu is highlighted and
displaying the submenu items. Alternatively, press the LEFT and
RIGHT arrow keys multiple times using the left button wheel.
3) Use the UP and DOWN arrow keys on the left button wheel to scroll
through the sub menu items until MATL 1PT is highlighted.