7 Special functions of the DMS Go+ TC Basics
7-2 Edition 4 (05/2014) DMS Go+
7.1 Basics
The DMS Go+ TC has two special functions that enable
improved methods of measurement in connection with a
special 4-element probe, especially in residual wall
thickness measurements through coatings:
● Auto-V
● TopCOAT
Both functions are based on measurements using the
4-element probe, mathematically evaluated by the in-
strument.
The 4-element probe has 2 transmitter/receiver pairs
which are arranged at a different distance from the cou
-
pling face of the probe each.
While the first pair of elements (close to the coupling
face) is used for acquiring basic data (e.g. sound veloc
-
ity in the test object), the second pair of elements (lying
deeper in the probe) is used for determining the wall
thickness of the test object.
Only the echoes of the second pair of trans-
ducer elements are visible in the A-scan.
After calibrating the DMS Go+ TC to the connected
probe, the basic data of the probe are stored in the in
-
strument.
Probe
2nd pair of elements
1st pair of elements
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