TG110DL User’s Manual
7 | P a g e NDT Systems, Inc. 5542 Buckingham Drive, Huntington Beach, CA 92649, PH: 714-893-2438
SCAN BAR & SCALE: The black bar at the bottom of the display is called a Scan Bar. This feature is unique to NDT
Systems handheld thickness gauges. A visual representation of the measured thickness, as the thickness value
changes the bar position across the screen changes. See figures below.
.249" reading on a total scale of .500" 0.093" reading on a total scale of 2.00"
NOTE: The Scan Bar is a visual representation of the measured thickness only. Setting the Scan Bar Scale maximum
or minimum values too high or too low will not affect the measured thickness.
COUPLING ICON: The Coupling Icon automatically changes states to help
indicate the quality of the thickness reading. A “coupled” state is indicated by
the cylinder making contact with the thin bar beneath. indicates satisfactory
coupling, adequate material penetration, and proper probe/beam
normalization (perpendicular to surface). Thickness readings must not be
considered reliable if the Coupling Icon fails to contact the bar, intermittently
blinks, or flickers on and off the bar.
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