DMTA-10022-01EN, Rev. C, January 2015
Chapter 10
178
Figure 10-11 Echo window setting for mode 1
In mode 2 and mode 3, the echo window is limited to the time interval between
successive interface echoes (see Figure 10-12 on page 178). The end of the echo
window must be set ahead of the second interface echo in order to prevent an
incorrect detection, which in turn determines a maximum measurable thickness. In
applications involving mode 2 and mode 3 immersion measurements, the echo
window placement must apply throughout the range of the water paths to be used.
Figure 10-12 Echo window setting for mode 2 and mode 3
Interface echo
Echo window
Interface blank
Second interface echo
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