Dakota Ultrasonics PVX User Manual
Page 44
Dakota Ultrasonics
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9) Apply a drop of couplant on the transducer and place the transducer in
steady contact with the sample or actual test material on the thinnest, or
second known thickness location. Be sure that the reading is stable and the
repeatability indicator, located in the top left corner of the display, is fully lit
and stable.
10) Use the UP and DOWN arrow keys to highlight the TWO POINT calibration
submenu item.
11) Press the ENTER key to display the Digits Edit Box.
12) Press the UP and DOWN arrow keys to scroll the highlighted value.
13) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
14) Repeat steps 12 & 13 until the known thickness value is correctly displayed.
15) Press the OK key to calculate the velocity for the TWO POINT calibration
and return to the CAL menu screen, or press ESC to cancel entering the
velocity.
16) Finally, press the MEAS key to return to the measurement screen and
begin taking readings.
Note: CHECK YOUR CALIBRATION! Place the transducer back on both
calibration points. The thickness readings should now match the known
thickness locations. If they are not correct, repeat the steps above.