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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Integrated USBL Acoustic Tracking and Communication Systems
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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Sea
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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PDS Slope Protection Software
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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Stock cables
The MacArtney Group depends on the support of a number of major cable manufacturers to supply a range of cables that are designed, manufactured and tested to meet the highest demands of the underwater technology industry. The product range includes TV, signal, instrumentation, fibre optic, ROV, oceanographic geophysical, telecommunication, fishery and sonar cables.
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Boat Mount with Pan & Tilt 2D Forward Looking Sonar
Deployed from a patrol boat, Teledyne BlueView's BV3100 is ideal for search and recovery operations, dive team situational awareness, and diver vectoring. It is also an effective means of harbor bottom inspection as well as diver and underwater IED detection.The BV3100 uses Teledyne BlueView's 2D forward looking sonar mounted to a digital pan and tilt system to deliver clear, streaming imagery during both confined and wide area searches. This real-time imagery is produced whether moving or stationary, even in zero visibility water conditions. The BV3100 can be used alone or as a complement to side scan sonar by allowing the user to reacquire and guide divers to targets found in side scan imagery.
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Wave Profiler
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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Modular Connectorized Distribution Unit
MCDU
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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FlowQuest Acoustic Current Profilers
FlowQuest is a line of Acoustic Current Profilers manufactured by LinkQuest Inc., a company renown for its innovation, capability and product quality. The FlowQuest current profilers are ideal for measuring currents and flows in oceans, harbors, lakes and rivers. With its capability for significantly longer range, standard deepwater depth rating and seamless integration with third-party sensors and LinkQuest acoustic modems, the FlowQuest system is not just a current profiler. It also serves as a focal point for your underwater deployments.
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SoundLink Underwater Acoustic Modems
With the innovative technologies, LinkQuest's modems have achieved significantly increased data rate (up to 38,400 baud), lower power consumption and unprecedented robustness. All of LinkQuest's modems perform at a bit error rate of less than 10 which is equivalent to the quality of wire line communication. LinkQuest's extensive line of underwater acoustic modems outperform any competing products in technical aspects for both near-vertical, horizontal and extreme horizontal underwater environments.
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Underwater LED Floodlight, 20,000 Lumen
LED-V-Series
The Teledyne Bowtech LED-V-Series is a high powered underwater LED floodlight, with a 20,000 lumen output. The light features our latest LED technology.Rated to operate at 6,000 metres ocean depth, the lights are manufactured with anodised aluminium, offering proven corrosion resistance.The 80° wide beam angle light produced, is ideal for illuminating large areas for HD viewing tasks.
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Sensors
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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PXIe-4480, 1.25 MS/s, 3.4 Hz AC/DC-Coupled, 6-Input PXI Sound and Vibration Module
784277-01
1.25 MS/s, 3.4 Hz AC/DC-Coupled, 6-Input PXI Sound and Vibration Module—The PXIe‑4480 is designed for high-bandwidth audio, acoustic, and vibration measurements. It provides six channels of dynamic signal acquisition, and you can use one of four gain settings to configure your input range. The PXIe‑4480 also includes software-configurable AC/DC coupling, charge measurement, voltage excitation, IEPE excitation, and TEDS support, making it ideal for measuring acoustic transducers, pressure sensors, and hydrophones. Common applications include audio test; noise, vibration, and harshness (NVH) analysis; and underwater acoustic measurements. For measuring sudden changes, such as high speed blast and pressure events, the PXIe-4480 can sample up to 20 MS/s per channel in time-domain mode.
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Sound Velocity, Temperature and Pressure for Underwater Vehicles.
UV-SVP
Designed for Underwater Vehicles where space is at a premium, the UV-SVP is based on the Valeport miniSVS. Incorporating Valeport’s class-leading time of flight sound speed sensor, a PRT temperature sensor and a 0.01% pressure sensor in a compact package weighing just 750 grams (in air), the lightweight titanium housing gives a depth rating of 3000m. A wide range (9-30V DC) isolated power supply and RS232 communications complete the package.
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Hydrophones
Piezo is a critical element in producing a hydrophone for military and commercial underwater listening applications. Hydrophones utilize piezoelectric elements to detect sound pressure waves produced by underwater vessels, animals, and the environment. Hydrophones must have a flat frequency response that is proportional to the magnitude of the sound pressure wave. CTS piezo elements provide this critical function in hydrophones by providing excellent frequency response and high coupling factors necessary in hydrophone applications. CTS materials provide excellent electrical properties for hydrophone applications while allowing the ability to form the piezo element to the desired mechanical structure for the hydrophone.
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Ultrasonic Transducers
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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Camera Option for Nosecone Module
The Point Grey Grasshopper digital camera provides high resolution, high sensitivity sensors, yielding optimal imaging for underwater photography. Housed in the nosecone, the camera takes photos at a rate of up to 3.5 frames per second. Images are stored on a compact flash card and can be viewed through the Gavia Control Centre.
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Miniature High Resolution Underwater Color CCD Camera
L3C/LCC-720-L
The Teledyne Bowtech L3C/LCC-720-L miniature high resolution underwater colour CCD camera (with six integral high intensity LEDs) provides a low cost solution to general underwater viewing and observation, down to 1,000, 4,000 or 6,000 metres in confined spaces.
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Reef DRIFTER
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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Hydrophone
RESON TC 4014
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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Acoustics
Chelsea Technologies specialises in the design of underwater transducer technology. With over 45 years’ experience, our comprehensive range of standard transducers are ideal for a wide range of applications from aquaculture to defence. Our in-house acoustics experts can also help with custom products and design projects.
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Light Measurement
Redesigned light sensors optimized for ecological, meteorological, solar energy, plant research, and underwater measurements.
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Underwater Thickness Gauges
Cygnus have created a range of versatile underwater and subsea thickness gauges for use by divers and engineers. These measuring devices provide a simple and time-saving method of obtaining ultrasonic thickness measurements in underwater conditions.
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Multi-Modulation Acoustic Telemetry System
MATS 3G
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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Small Tide Recorder
miniTIDE
The Valeport miniTIDE is a small Tide Recorder, designed for short-term underwater deployments, ideal for academic studies.
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Rechargeable Submersible Strobe up to 6000m
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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Mechanical Coating Thickness Gauge
211
This is one of the most popular mechanical coating thickness gauges in the world.Factory calibrated - with user calibration adjustmentFoils supplied to check calibration on siteIdeal for cold surfaces and underwater useSmall and portable with an accuracy ±5%The “V” grooved base, ideal for pipeline inspectionAvailable in either Metric or Imperial versions, the Elcometer 211 measures coatings up to 6mm (250mils)
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Thickness Gauges
UMX-2
UMX-2 underwater material and coating thickness gauge, designed for offshore inspections, and rated to a depth of 1000 feet (300 meters). The UMX-2 is very versatile, offering both Dual & Single element transducers. Equipped with multiple measurement mode options, the UMX-2 will meet all your application requirements. Onboard 5,000 point data logger, all UMX-2 settings stored for each measurement, along with an actual A-Scan waveform.
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Miniature High Resolution Underwater CCD Camera
L3C-720
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.
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Resistivity and IP Imaging System
ARES
ARES represents a well equipped resistivity and IP imaging system. Groundwater explorations, geotechnical investigations, monitoring of dams and dikes, environmental studies, pollution plumes mapping, geological surveys, mineral prospecting, archaeology, detecting of cavities, underwater, marine, borehole and cross-hole measurements.
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Hydrophone
RESON TC 4034
The TC4034 broad band spherical hydrophone provides uniform omni-directional characteristics over a wide frequency range of 1Hz to 480kHz.The overall receiving characteristics makes the TC4034 an ideal transducer for making absolute underwater sound measurements up to 480kHz. The wide frequency range also makes the TC4034 perfect for calibration purposes, particularly in higher frequencies.
