April 2011 - Class Instrumentation, a London, UK based company was invited to attend the NAMS Global Marine Surveyors Conference in St Louis, Missouri earlier this month. Ken Hawes, Technical Director at Class Instrumentation and a world-renowned expert in ultrasonics, spoke on Ultrasonic Hatch Cover Testing and met with a very attentive audience. He demonstrated the benefits of ultrasonic testing with the Cargo-Safe™ Ultrasonic Hatch Cover Tester over other methods of hatch testing, such as hose and chalk.
The principle for ultrasonic hatch cover testing is simple. After the hatch covers are closed, the transmitter generating an ultrasonic signal is placed in the cargo hold (empty or loaded with cargo). The surveyor then uses the CARGO-SAFE™ ultrasonic receiver to ‘listen’ from the outside of the hold and detect any ultrasound that passes through holes in the hatch cover sealing system with pin-point accuracy.
Class Instrumentation also exhibited their range of ultrasonic testing and NDT equipment designed to improve safety and benefit the marine industry.
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