DMTA-10055-01EN, Rev. A, February 2015
Software Features and Options
253
Figure 11-20 Active AWS with D rating
11.4.4
Scanning Gain
AWS codes require that you enter a certain amount of scanning gain to the
Ref B
gain
value. This allows you to locate flaws that might be smaller or deeper in the test piece
than the reference flaw.
To add scanning gain
1.
Use the dB key to adjust the scanning-gain value necessary to perform the
inspection as outlined by the AWS Code.
2.
Press
Scan dB
(P2 key) to toggle the scanning gain on and off as necessary.
To display a D indication rating value, the gated echo must peak at an amplitude
less than 110 % FSH (full screen height). You may need to turn off the scanning
gain, and even make further gain adjustments to bring the echo peak on screen.
Содержание EPOCH 650
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