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6. If two materials are press-fitted or laminated together, the gauge
will only measure the thickness of the sample that contacts the
probe.
8.2Measurements Of Pipes Or Cylindrical Parts
When using the TI-25M to
measure the wall thickness of
a pipe, the orientation of the
probe is very important to obtain
accurate readings.
Pipe diameter is greater than
4 inches (100 mm):
Position the probe so the centerline of
the probe wearface is perpendicular to
the long axis of the pipe as shown in
illustration “A.”
Pipe diameter is less than
4 inches (100 mm):
Two measurements should be performed at the same location, one with the
centerline of the probe perpendicular to the long axis and one parallel
(illustration “B”).
The smaller (thinner) of the two measurements should be used as the
actual wall thickness at the measurement location.
Additionally,on applications on pipe diameters less than 3 inches,
we recommend using the optional V-Block fixture which helps
maintain stable probe placement on the rounded measuring surface.
A
B
Parallel
Perpendicular
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