Dakota Ultrasonics
36
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.
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