What You Need:
Flaw Detector
Cables
Probes
Coupland (oil/gel)
Ruler
Marker
Cleaning equipment
Cleaning cloth
V1/DAC blocks, Other Blocks
Standards (ISO 1764; ISO 16111; )
Measure thickness
Testing/Acceptance Level ( BB2/CA3 ?)
Marking metal example - name/number/zero
Do transfer correction, mark the difference in dB
Enter thickness into DAC settings
Enter TC dB into DAC settings
Scan in straight lines, with 5 degree difference
Mark on the metal
Mark on the paper
Measure with the ruler
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Check the standards for Thickness + Maximum Db + Length of Defect for the final testing conclusion.