Cygnus M3-DIVE - Page 48

Cygnus DIVE Operating Manual
M3-DIVE-M-ENG_Iss9.docx
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directly underneath the probe face as the gauge may
incorrectly measure the depth of the couplant.
Large Corrosion Pits.
The A-Scan display can assist you - you will see a unclear
ultrasound signal with no distinct back-wall echo.
Corroded Metal
Couplant
Probe
Avoid Measuring Directly Over Corrosion Pits.
Pit