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L&L Maritime Corporation

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Save time and reduce costs with direct factory-to-ship delivery of ultrasonic testing instruments designed for watertight integrity testing, liquid level measurement, thickness gauging, and leak detection. Our award-winning ultrasonic hatch cover testers and non-destructive testing equipment are trusted across the maritime, shipping, fire safety, and manufacturing industries — helping crews perform accurate risk assessments and predictive maintenance at low cost. Built for reliability and certified to ISO 9001:2000, our innovative instruments are easy to use with little or no training required, offering exceptional long-term value while supporting safety and environmental protection.

Water Ingress Detection

Engineered for harsh marine environments, ultrasonic water ingress detectors quickly pinpoint leaks in hatch covers, bulkheads, and watertight doors. Using high-frequency sound, they provide rapid, non-contact detection—even in sealed, fully laden, or hard-to-reach spaces—helping protect cargo, maintain vessel integrity, and ensure safety at sea in all conditions.

Water Leak Detection

Built for marine and industrial use, these acoustic water leak detectors help quickly locate leaks in pipes, tanks, and hull systems—even when buried or hidden. Using sensitive microphones and ground probes, they identify leak sounds with precision, enabling fast, non-invasive detection. Ideal for vessel maintenance, dockside systems, and onboard plumbing, they improve safety, efficiency, and response time in demanding environments.

Gas Leak Detection

Designed for tough environments, ultrasonic gas leak detectors are ideal for detecting pressurised gas leaks aboard vessels, offshore platforms, and port facilities. Unlike traditional sensors, they detect the high-frequency sound of escaping gas, allowing fast, non-contact leak detection even in noisy or hard-to-access areas. With no need to calibrate for specific gas types, they offer reliable performance in confined spaces, engine rooms, and fuel systems—where speed and safety matter most.

Levels, Thickness & Vibration Testing

Essential for shipboard safety and maintenance, these ultrasonic gauges provide accurate, non-invasive measurement of liquid levels and material thickness. Ideal for fuel tanks, cargo holds, and hull inspections, they deliver fast, reliable readings—even through coatings or in difficult-to-access areas. Compact, rugged, and easy to use, they help ensure regulatory compliance and structural integrity across maritime operations.