© 2014 Proceq SA
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3.5 Measurement Modes
Transmission time
The measured transmission time between the transmitter and receiver.
Distance
Enter the pulse velocity of the material under test or perform an “Auto-
matic Estimation of Pulse Velocity” as described in the previous chapter.
The result is the thickness of the slab or distance to the internal object
(e. g. void, delamination) that is the source of the echo.
Pulse Velocity
Enter the thickness of the object under test.
The result is the transmission time and pulse velocity of the material un-
der test.
B-Scan
Provides a cross sectional image of the test object perpendicular to the
scanning surface in the plane through which the individual A-scans have
been collected.
The spacing between A-Scans is entered in the “Settings” menu.
Position the transducer at the starting position.
Press the start icon to begin or the left button on the
transducer.
Record the first measurement. The measurement may
also be recorded by pressing the left button on the
transducer.
• The LED’s on the transducer provide a visual feedback when a meas-
urement has taken place successfully. This is accompanied by an
acoustic tone on the display device. The volume of the tone may be
adjusted in system settings.
• Move the transducers to the next point of the scan. Make the second
measurement and continue.
• The current A-Scan is shown on the right hand side of the screen.
• The current status of the B-Scan is shown on the main part of the
screen.
Press this icon or the right button on the transducer to
save the current B-Scan.
Press this icon or the right button on the transducer to
continue the current B-Scan.
Use this icon to delete the last measurement made.
Press the to save the current series and reset the in-
strument for a new series.
The green cursor (cross-hairs) may be moved to any point on the B-Scan
simply by dragging. The actually cursor position is displayed on the axes.
The current A-Scan selected changes with the cursor position. This is
indicated by the A-Scan number at the top of the chart and also on the
A-Scan display at the right side of the measurement screen. This feature
is also available on saved B-Scans in the Explorer or in PL-Link.
