Calibration Of Known Sound Velocities; Calibration Of Unknown Sound Velocities - AND AD-3255 Instruction Manual

4-3-2. Calibration of Known Sound Velocities

Step 1. Numerical Input of the Sound Velocity.
Press the
Display the sound velocity using the
switch from pre-installed value
"or using the
Press the
Refer to "5-6.Reference Data of Sound
Velocities" concerning principal sound velocities.

4-3-3. Calibration of Unknown Sound Velocities

Prepare a sample piece that the thickness is known.
Step １. Perform the Probe-Zero Function.
Perform the "4-2-2. Probe - Zero Function".
Step ２. Measure the Thickness of Sample Piece.
Apply couplant to the surface of the sample
piece. Press the transducer against it. The
thickness value is displayed.
Remove the transducer from the surface
after the measurement.
Step ３. Input the Thickness Value.
Press the
Input the thickness value using the
switch and
Press the
The sound velocity is calculated.
Press the
the measurement.
switch twice in the measurement mode.
switch and
switch to store.
switch. The mm blinks.
switch.
switch to store.
switch to return to
－ 17 －
Select
switch".
Measure it and remove the transducer
Couplant
Sample piece
Thickness Input
Calculated velocity
Twice
or
or
Thickness