Audio Gauge Survey
Audio gauge testing is conducted to determine deterioration or wastage in aluminum and steel shell plating, structure/members, decks, piping and tankage. Wastage is determined in piping also. The test often does not require the coatings to be removed

Audio gauge testing measures the amount of deterioration in aluminum or steel plating, most commonly used on underwater hull areas and tanks. The test does not require the coatings to be removed saving the owner many thousands of dollars.