Dakota Ultrasonics
30
Performing a Probe Zero
1) Clean the surface of the
Probe Zero Disk
, located on top of the
PVX-B
(battery cover).
2) Apply a drop of couplant to the end of the transducer, or probe disk, and
hold the transducer in steady contact with the reference disk.
3) 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
PROBE
menu is highlighted and displaying the submenu items.
4) Use the
UP
and
DOWN
arrow keys to scroll through the sub menu items
until
ZERO TRANSDUCER
is highlighted.
5) Press the
ENTER
key to display the confirmation screen.
6) Press the
OK
key to zero the transducer and return to the menu screen, or
ESC
to cancel the zeroing process.
7) Remove the transducer from the probe zero disk.
8) Press the
MEAS
key to return to the measurement screen.
6.3 Material Calibration
In order for the
PVX-B
to make accurate measurements, it must be set to the correct
sound velocity of the material being measured. Different types of materials have
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