PVX-B
Precision Visual Thickness Gauge
35
Note:
If the user opted to do a setup from scratch for interface-echo (I-E)
mode, a two point calibration must be performed to set the probe zero.
1) Using a set of calipers, physically measure two known thickness locations
on the sample of material.
Note:
The two locations should represent the
desired thickness range being measured. If the range is from .050” - .200”,
then the two known locations should represent this range, or be slightly
outside or inside of this range. A typical example would be to find two
locations at .063” and the other at .247”. These thickness points will satisfy
the required thickness range noted above.
2) Apply a drop of couplant on the transducer. Place the transducer in steady
contact on thickest known location first. 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. 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.
3) Use the
UP
and
DOWN
arrow keys to scroll through the sub menu items
until
ONE POINT
is highlighted.
4) Press the
ENTER
key to display the
Digits Edit Box
.
5) Press the
UP
and
DOWN
arrow keys to scroll the highlighted value.
6) Press the
LEFT
and
RIGHT
arrow keys to scroll the digit locations.
7) Repeat steps
5 & 6
until the known thickness value is correctly displayed.
8) Press the
OK
key to calculate the velocity for the
ONE POINT
calibration
and return to the
CAL
menu screen, or press
ESC
to cancel entering the
velocity.
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