DMTA-10055-01EN, Rev. A, February 2015
Chapter 9
156
Figure 9-9 Entering the Velocity Cal thickness value
9.5
Calibrating on a Single Test Block of Known Thickness
You can also auto-calibrate on a single test block of known thickness. You can use
multiple back-wall echoes instead of coupling on both a thin step and a thick step. In
this scenario, leave the transducer coupled on the thin step, move the gate over to one
of the multiple back-wall echoes, and then enter the correct sound path thickness
(2, 3, 4, etc. multiple of the first back-wall echo) during the velocity portion of the
calibration.
9.6
Calibrating with a Dual Element Transducer
The sample dual element calibration described below is performed using an Olympus
transducer part number DHC711-RM with a frequency of 5.0 MHz and an element
diameter of 6 mm (0.25 in.).
Содержание EPOCH 650
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