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Leading subsea technology developer Sonardyne International Ltd. has acquired maritime and marine science technology specialist Chelsea Technologies Group Ltd. The acquisition is part of a long-term growth strategy for Sonardyne, to diversify into markets where it sees an opportunity to build on its core technology base and expertise in underwater acoustic and optical communications, navigation and autonomous monitoring systems. In acquiring Chelsea (also known as CTG), Sonardyne will both strengthen its presence in the maritime, marine and ocean science sectors and create new opportunities in the water environmental, defence and process control markets. Chelsea will gain access to Sonardyne’s considerable research, production, testing, compliance and global distribution capabilities, allowing the company to access many more international territories.

Fluorescence used to monitor crop spray

“We have developed our first prototype of a hand held imaging fluorometer which measures the spray deposits on crops,” reports CTG’s specialist Dr John Attridge. “Field trials were carried out last month to test the prototype on Cherry orchards in Sevenoaks, UK. These trials have helped in our understanding of how well the device is functioning practically e.g. battery life, spray coverage analysis. These insight will be used to further enhance the development of our commercial product," concluded John.

 

Chelsea works with leading tyre manufacturer to detect faults on production line

Leading radiation detection company, Mirion Technologies has been using a number of CTG  HydroSense hydrophones for monitoring of machine noise within nuclear facilities. These hydrophones are integrated into a Mirion Technologies’ system which also includes cameras and microphones for nuclear facility monitoring. The specific Hydrosense model chosen gives the required sensitivity within a small self-contained package and provides an easy interface for system integration.

Chelsea works with leading tyre manufacturer to detect faults on production line

Chelsea Technologies Group works with leading tyre company to investigate using a fluorescence measurement to improve efficiency on their production line.  One of the final processes in the manufacture of a tyre is the moulding of the tread and vulcanization of the rubber. This process involves inflating a rubber bladder inside the tyre using superheated water within a mould press. The continual inflation and deflation of the bladder, combined with potential chemical contamination and dissolved oxygen in the water supply, eventually leads to a degradation of the bladder rubber and its failure. When this happens the moulded tyre does not vulcanize properly in the area of the failure.

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