DMTA-10004-01EN, Rev. D, November 2016
Chapter 12
218
The thickness readings at this point may not be accurate because a proper zero offset
for the transducer has not yet been set.
c)
Couple the transducer to the thinnest test block step.
d)
If necessary, press
[GAIN]
to adjust the gain so that the instrument properly
detects the back-wall echo.
e)
If necessary, adjust the extend blank so that the gage is making proper
detection on the back-wall signal (see “Blanking Adjustments in Manual
Echo-to-Echo Detection Mode” on page 83).
f)
Ensure that the instrument properly detects echoes on all test block steps.
4.
Activate the V-path function (see “Activating the V-Path Function” on page 216
for details).
5.
Couple the transducer to a thick sample representing the thickest material that
you will measure.
6.
Press
[CAL VEL]
.
7.
In the help text bar, select
YES
to the
VPath Calibration?
Figure 12
‑
4 Answering YES at the V
‑
path calibration prompt
8.
While the transducer is coupled to the thick sample and getting a steady thickness
reading, press
[ENTER]
.
9.
In the
V
‑
PATH CALIBRATION
screen, edit the point
1
value to match the known
thickness (see Figure 12-5 on page 219).
NOTE
Summary of Contents for 38DL PLUS
Page 9: ...DMTA 10004 01EN Rev D November 2016 Table of Contents ix Index 297 ...
Page 10: ...DMTA 10004 01EN Rev D November 2016 Table of Contents x ...
Page 28: ...DMTA 10004 01EN Rev D November 2016 Important Information Please Read Before Use 16 ...
Page 30: ...DMTA 10004 01EN Rev D November 2016 Introduction 18 ...
Page 50: ...DMTA 10004 01EN Rev D November 2016 Chapter 2 38 ...
Page 60: ...DMTA 10004 01EN Rev D November 2016 Chapter 3 48 ...
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Page 294: ...DMTA 10004 01EN Rev D November 2016 Appendix A 282 ...
Page 300: ...DMTA 10004 01EN Rev D November 2016 Appendix C 288 ...
Page 306: ...DMTA 10004 01EN Rev D November 2016 List of Figures 294 ...
