The Swedish P& I club recommend using Ultrasound.

As stated in their 2018 report “A much more effective method is to use an ultrasonic device, which is designed for this purpose and can pinpoint the area which is leaking, and if the compression of the gasket is sufficient. The advantages of using this type of equipment are evident, since ultrasonic tests can be carried out during any stage of the loading without risking cargo damage. The test can also be completed in sub-zero temperatures. The ultrasonic test should be carried out as per the class requirements.” 

 Ultrasonics is proven to be the quickest, easiest and most efficient method of testing watertight & weather-tight seals of hatch-cover tester, doors, multiple cable transits. The Portascanner® WATERTIGHT is the most accurate model of its kind – proven to 0.06mm (+/-0.02mm). This is designed primarily to enhance the ease and accuracy with which critical watertight, airtight or weather tight seals can be inspected for leak sites or areas of reduced compression in the seal. The ultrasound generator emits a modulated signal of a specific frequency of ultrasound (in most cases 40,000Hz). The receiver then picks up the signal and converts it into a result indicating watertight integrity. The easy to use Portascanner® WATERTIGHT allows crew member to check for failing seals whilst at sea which allows for prompt maintenance.  

 Coltraco Ultrasonics focus on benefitting the crew; designing innovative ultrasonic solutions which the crew will be happy to use by being easy to operate, quick, accurate and a better method to traditional techniques. Thus increasing the likelihood of tests being regularly conducted, in line with regulations and even going above and beyond for more frequent testing. By so doing, the crew will be creating a safer ship.

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