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Underwater CCTVTraditionally an underwater video camera consists of an ordinary CCTV camera mounted in a stainless steel or aluminium housing which keeps it dry and at normal atmospheric pressure. This is still the only suitable system for some survey jobs, where top quality imaging is required from a high value camera and/or zoom lens. However, for the majority of underwater and contaminated area operations this level of expense and complexity is unnecessary. For these jobs we produce a range of simple, fixed focus video cameras encapsulated in polyurethane resin for a fraction of the cost of a conventional underwater camera. The small size and rugged construction of these cameras makes them idea for use on ROV manipulators, and the low price means that it can be cost effective to dispose of units rather than attempting decontamination after operations in heavily contaminated water. We offer a wide range of camera light combinations - B/W or colour cameras, with standard or wide angle fixed focus lenses, choice of integral LED lighting or separate LED lighting units (white for colour cameras, red or infra-red for black and white). Since all our camera and light units are made to order, we can tailor them to your exact requirements, and supply them with either an unterminated cable, or terminated with your choice of connector. The standard housing is 51mm diameter by 60mm long, and consists of a 3mm thick GRP sleeve, with the camera or light source encapsulated in high performance polyurethane resin within. Cameras have an acrylic viewport, recessed by 5mm to minimise damage, and LEDs are encapsulated in optically clear polyurethane. This method of construction makes the units extremely rugged - during a recent chimney survey one of our cameras was inadvertently 'drop tested' approximately eight metres onto concrete, with no ill effect. Units are normally depth rated to 20m, though deeper ratings are possible if required. We also supply variable lighting controllers, power supplies, cabling and connectors, video overlay and recording equipment, and can install and commission systems on site if required. As each system is built to the customers exact requirements it is not possible to list specifications and prices. Please contact us for more information, advice, or a quote. |
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| Copyright Mark Mitchell 2004. All rights reserved | ||||||||||