Underwater
submerged in water.
See Also: Water, Water Quality, Water Meters, H2O, Wastewater, Water Spray, Water Leak, Water Flow, Sea, Subsea, Autonomous Underwater Vehicle
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Product
Sea
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General Dynamics Global Imaging Technologies
Our maritime solutions are trusted above and below the open sea to address next-generation challenges. From secure communications to complex weapons systems, underwater vehicles to electronic warfare, our innovations equip the U.S. Navy, Coast Guard and maritime communities with a vast array of advantages to protect the freedom of the seas.
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Miniature High Density (MHD) Metal Shell Connectors
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A high density (up to 96 contacts) miniature waterproof electrical connector keeps weight to a minimum and fits into compact spaces. Well suited for underwater vehicles such as ROVs, AUVs, and UUVs, where space and weight are typical design constraints. Durable materials allow reliable connectivity with low risk of operational failure.
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Vacuum Leak Test Systems
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Vacuum leak testing is the principal leak test method for testing parts that could have leakage from an external source into their housings and casings. Parts like underwater sensors or housings, outdoor electrical housings, sealed components, and components associated with vacuum sources are all prime candidates for vacuum leak testing. Operation of instruments that supply vacuum to test parts instead of pressure works in a similar, yet essentially opposite, manner as pressure decay testing.
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Wave Profiler
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The Wave Profiler allows the user to measure non-directional wave parameters continuously for long periods of time with high temporal and spatial resolution in deeper water from the safety of an underwater mooring. The instrument is particularly useful for clients who need to measure long-period waves (such as rogue waves or infra-gravity waves), waves in wash and in wakes, and non-linear waves.
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Pioneer Doppler Velocity
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Teledyne Marine RD Instruments
Designed with unmanned and remotely operated vehicles in mind, the 600kHz and 300kHz compact DVLs can be packaged into small, portable, underwater vehicles. Additionally, these powerful DVLs can be leveraged for surface and subsurface manned and unmanned vessels.
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Single-point Current Meter
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The SEAGUARD® is the core module used in small and medium sized underwater observatories. Whether used as a multipurpose instrument, or as a hub for strings in the water column, the SeaGuard manages connected sensors and the real-time communication of data and meta-data to shore. In autonomous configurations, long battery life is achieved with aggressive power routines keeping the full system at the lowest power levels possible.
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Wayfinder DVL
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Teledyne Marine RD Instruments
The expertise of nearly 30 years of experience and over 5000 DVLs in the field has been distilled into a pocket-sized package—the Wayfinder DVL. Designed for today’s micro-ROVs, precision navigation and positioning of underwater vehicles has never been easier and more affordable.
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Modular Connectorized Distribution Unit
MCDU
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The Modular Connectorized Distribution Unit (MCDU) is a modular family of factory-qualified subsea distribution units that provide oil-filled, pressure-balanced junctions for flexible underwater configurations.A new configuration has recently been introduced with a lighter, more cost-effective frame, highly visible ROV lifting handles, and wide openings to facilitate installation and removal of the housing. The compact frame design negates the need for lifting wires, making it easy for ROVs to install and retrieve the unit from the sea floor.
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Sensors
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We design, develop and produce state-of-the-art SIGINT sensors that seek, exploit, identify, and locate sources of RF energy, underwater sound, light, heat and other complex phenomena. These sensors recognize threats, gather intelligence, and allow our customers to make informed, strategic response decisions.
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Product
Harness Design and Manufacture
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When designing an underwater cable harness, there are some factors which need to be considered, and we have produced the following list as a guide for customer information:Component considerations:- Electrical requirements- Mechanical considerations- Quality requirements- Reliability- Design redundancy (contact count)- Connector selection (type and form)- Locking requirements- Backpotting requirements- Waterblocking in moldings- Cable specification- Cable jacket material and compatibility with elastomers- Abrasion resistance- Stiffness profile at termination- Connector format (straight or right angle)- Molding format (straight or at an angle)- Clearance allowance for molding and cable routing- Elastomer compatibility (eg oil filled units)- Metalwork selection re: corrosion and cathodic delamination- Surface finish for metalwork as appropriateOperational considerations:- Operating depth profile (not just max. depth)- Tensile loads- Torsional loads- Bending loads- Bend control requirements (to limit bending at termination)- Deployment and recovery loads- Dynamic loading-Flow turbulence effects.
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Light Measurement
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Redesigned light sensors optimized for ecological, meteorological, solar energy, plant research, and underwater measurements.
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Product
Rechargeable Submersible Strobe up to 6000m
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The Teledyne Bowtech ST6K, Xenon submersible strobes are self-contained, compact, high intensity xenon beacons, designed for use as a visual aid to locate submersible vehicles or instrumentation packages when they surface for recovery. They can also be used to mark underwater objects, vehicles, divers or work sites.
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SeaRaptor Autonomous Underwater Vehicle (AUV)
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The SEARAPTOR™ is a survey grade deep water autonomous underwater vehicle (AUV) designed to operate at abyssal depths. A wide range of sensors allow the SeaRaptor™ to complete several types of missions including: broad area search with side-scan sonar, hydrographic survey with multibeam and sub bottom profiler, and high resolution inspection survey with camera and acoustic sonar. These surveys support a variety of applications, such as search and recovery, salvage, exploration, construction support, marine archaeology, and oceanography.
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Product
Underwater Package
LI-1500/G-UW
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GPS enabled LI-1500 Light Sensor Logger with the hardware necessary to take underwater measurements.
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Product
Doppler Velocity Logs
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NavQuest is a line of Doppler Velocity Logs manufactured by LinkQuest Inc., a company renown for its innovation, capability and product quality. The NavQuest Doppler Velocity Logs are ideal for precision navigation and positioning of underwater vehicles. With their capability for fast and accurate velocity output, significantly longer range and smaller minimum altitude when compared against similar products, the NavQuest Doppler Velocity Logs are the excellent choices for underwater precision navigation applications.
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Multibeam Echosounder - Subsea
SeaBat T20-S
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The T20-S is a new addition to the leading SeaBat product range engineered from the ground up to evolve with your business.Combined with the all-new Subsea Sonar Processor the T20-S provides the highest quality survey data in a fully integrated sonar processing and data storage unit housed in a subsea pressure vessel. Smaller form factor and reduced operational power to extend mission time for battery powered underwater vehicles. Internal data storage for self-contained survey solution, and interfacing via standard Ethernet to reduce integration time.
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Product
PDS Slope Protection Software
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A number of special features are implemented in Teledyne PDS for underwater slope protection purposes.Guidance features are used to position a work vessel and monitor the laying of slope protection material. 3D images and 3D views display all movements of the vessel, crane, and the slope protection system.
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Product
Small Tide Recorder
miniTIDE
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The Valeport miniTIDE is a small Tide Recorder, designed for short-term underwater deployments, ideal for academic studies.
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Multi-Modulation Acoustic Telemetry System
MATS 3G
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A single solution for all underwater communication needs, MATS 3G is the underwater acoustic modem that leverages state-of-the-art Digital Signal Processing technology to ensure reliable, long-range communication.
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AUV | ROV Sensors: AUV | ROV Sensors
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Autonomous and remotely operated underwater vehicles are rapidly evolving to fill scientific niches, many with capabilities otherwise unattainable through traditional manned research at a fraction of the operating cost. Sea-Bird Scientific offers a line of sensors uniquely designed for integration with various unmanned underwater vehicles, expanding data potential and opening new doors for unique research opportunities. While Sea-Bird Scientific originally designed most sensors for stand-alone applications, we have redesigned and miniaturized popular product lines meet the specific operational requirements of unmanned research platforms: a 1 kg CTD can now replace a 10 kg CTD while maintaining the same accuracy, and a precision optical sensor can now take up half the space while recording the same data channels.
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Combined Acoustic Release and Underwater Modem
SR-9100
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Smart Modem Acoustic Release Technology (SMART) Release is a unique concept from Teledyne Benthos, that combines the proven technology of an underwater acoustic release with the reliable undersea communications functionality of an acoustic modem.
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Integrated USBL Acoustic Tracking and Communication Systems
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The TrackLink systems are the world's best selling USBL acoustic tracking systems with fully integrated high speed acoustic communication capability. Capitalizing on its benchmark Broadband Acoustic Spread Spectrum (BASS) technologies, LinkQuest provides the end users with solutions for underwater tracking and communication at sharply reduced cost and increased robustness. An extensive line of models are available to suit the users' specification and budget constraint.
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Product
Reef DRIFTER
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The unique semi-submerged design can be used in shallow areas that can not be studied with drogue drifters. This drogueless shallow water drifter follows surface currents and resists being caught up on reefs or other underwater obstructions.
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Product
Mechanical Coating Thickness Gauges
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Mechanical Coating Thickness Gauges are suitable for working in high risk areas such as high temperature or flammable atmospheres, underwater or where the risk of explosion is high and could be triggered by the use of an electronic instrument. From the simplest coating thickness gauge Elcometer 101 which will provide you with quick and immediate results to the more accurate coating thickness gauge Elcometer 211, also called the "banana gauge" which is ideal for cold and underwater surfaces.
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Ultrasonic Transducers
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With a range of standard casings, we produce customised PVdF or ceramic transducers tailored to your specific needs. We have developed custom transducers for a wide range of applications and environments from underwater to use in CT & MRI systems, covering frequency range from 500KHz to 50MHz and above.
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Product
VPX Processing System
CRS-D4I-3VB1
System
4-slot, SWaP-reduced, rugged VPX Intel base plate cooled data processing system that can be applied across various applications including civilian and military unmanned vehicles, manned commercial and military aircraft, helicopters, over- and underwater research vessels, ground vehicles, and locomotives.
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Hydrophone
RESON TC 4014
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The TC4014-5 broad band spherical hydrophone offers a very wide usable frequency range with excellent omnidirectional characteristics in all planes. The overall receiving characteristics makes the TC4014-5 an ideal transducer for making absolute underwater sound measurements up to 480kHz. The wide frequency range also makes the TC4014-5 perfect for calibration purposes, particularly in higher frequencies.
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Forward Looking Imaging Sonar
SeaBat 7123-MkII
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The new SeaBat 7123-MkII is an advanced dual-use high resolution sonar suitable for both commercial and military applications.Commercial uses include super high resolution imaging for underwater inspection related tasks, long range detection of object in the water column and the sonar can be used as a platform for scientific and oceanographic research applications.
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Underwater Quantum/PAR Sensors
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Photosynthetic radiation is essential for the growth of the photosynthetic organisms such as corals. The wavelength range from 400 to 700 nm is PAR (Photosynthetically Active Radiation) or PPFD (Photosynthetic Photon Flux Density). Apogee quantum/PAR sensors are calibrated to measure the number of photons of light across this range.
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Miniature High Resolution Underwater CCD Camera
L3C-720
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The Teledyne Bowtech L3C-720 miniature high resolution underwater CCD camera, provides a low cost solution to general underwater viewing and observation.The camera housing is manufactured from high quality titanium fitted with a Sapphire glass window rated to either 1,000, 4,000 or 6,000 metres operating depth.
