The Ultrasonic Watertight Integrity Test Indicator (Ultrasonic Watertight Indicator) is a type of portable ultrasonic watertightness detection indicator specifically designed to inspect the watertight/integral weather-tight integrity of structures such as ship hatch covers, watertight doors, and cable penetrations.
✅ Core Functions of Ultrasonic Watertight Integrity Test Indicator
• The transmitter emits ultrasonic signals inside the compartment.
• The receiver scans the edges of the seal from the outside.
• If there is a leak, the ultrasonic signal will penetrate the gap and be captured and quantified by the receiver.
• The results are displayed in decibels (dB) or as a percentage of open hatch volume (%OHV), with the ability to detect leaks as small as 0.06 mm.
✅ Advantages
• Not affected by weather conditions; it can be used on rainy days or in sub-zero environments.
• No need for water jetting, avoiding pollution and interference with operations.
• Quickly locates leak points, suitable for new shipbuilding, in-service ships, and insurance inspections.
• Certified by classification societies such as ABS and RINA, widely accepted in marine insurance and P&I clubs.
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