910-269-EN, Rev. B, June 2011
242 Chapter 12
The EPOCH 1000 Series recognizes six phased array probes as standard probes. These
six probes have been designed to closely match the specifications and frequencies of
common conventional transducers used in manual inspections. When one of these six
probes is selected, the Wedge ID item limits possible selections to wedges that are
compatible with the selected probe. This allows you to quickly make a wedge
selection without browsing through many incompatible wedge types.
If a non standard probe is attached to the instrument, the Wedge ID list includes all
possible wedges. If either the attached probe or the desired wedge is not listed as a
possible selection, use the Edit Probe setup page to define a custom probe and/or
wedge. For more information, see section
12.3 on page 244.
12.2.2 Inspection Material and Geometry
The second section of items in the Beam setup page allows adjustment of the material
and geometry being inspected. When a standard probe and a wedge are selected
using Probe ID and Wedge ID, the value of these items change to default values. You
may then make manual adjustments to fit the needs of the current inspection. These
items include:
Thick
Defines the thickness of the part to be inspected. In angle beam inspections, Thick
allows correct depth-to-reflector measurements as well as correct leg and grid
overlays.
Geometry
Defines the geometry of the test piece. You can select from Plate, Cylinder, or
Tube.
Inner Dia.
Allows you to specify the inner diameter of a curved inspection piece. This value
is used when curved surface correction is active for circumferential inspections on
the inner diameter of a pipe or other curved surface.
Outer Dia.
Allows you to specify the outer diameter of a curved inspection piece. This value
is used when curved surface correction (CSC) is active for circumferential
inspections on the outer diameter of a pipe or other curved surface.
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