DMTA-10055-01EN, Rev. A, February 2015
Chapter 11
252
11.4.3
Storing the Gated Reflector
You can store the gated reflector as the Ref B value.
To store a Ref B value
1.
Use the GATES key to gate the echo from the reference-reflector. Move the probe
forward and backward to bring the echo to its maximum amplitude (peak), using
Peak Memory if necessary.
2.
Press 2
ND
F, (AUTO XX%) to bring the maximum peak of the gated echo to
reference height.
3.
Choose
AWS > Ref B
to store the gated reflector as the
Ref B
value and choose
YES
to confirm (see Figure 11-19 on page 252).
Figure 11-19 Reference B value before storage
Once the
Ref B
value is stored, the instrument displays a live D rating of any gated
indication (see Figure 11-20 on page 253). This live D value, which represents the
defect indication rating used with the published “AWS Acceptance - Rejection
Criteria” tables to classify a potential flaw, can be viewed as a separate measurement
reading in one of the five boxes. To activate and view this measurement, see “Setup
Pages” on page 86.
Содержание EPOCH 650
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