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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Underwater camera with wiper
SFIDA
SFIDA is made for biological research usage and it is able to be installed in many different ways.
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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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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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Forward Looking Imaging Sonar
SeaBat 7123-MkII
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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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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Pioneer Doppler Velocity
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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Wide Angle High Definition Underwater Camera
Surveyor-WAHD
The Surveyor-WAHD underwater camera is designed to provide a 14% increase in angle of view, from the previous WAHD camera, whilst remaining compact and very competitively priced. It is ideal for ROV inspection tasks, scientific observation and broadcast applications.Video output is available as component (Y/PbPr), utilising standard connectors or HD-SDI on hybrid 75 Ω coaxial or fibre optic connectors, a composite video output is also available.
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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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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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Spherical Underwater Quantum Sensor
LI-193
The LI-193 Spherical Quantum Sensor measures PAR in air or underwater from all directions at depths up to 350 meters. This sensor is useful for studies of phytoplankton, which uses radiation from all directions. The measurement is referred to as Photosynthetic Photon Flux Fluence Rate (PPFFR) or Quantum Scalar Irradiance.
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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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Subsea Data Logging Tensile Link
SUBD-3.0
The Subsea Data logging Tensile Link is a robust Tensile Link used for measuring loads on subsea mooring lines, underwater deployments and other similar applications. The instrument measures and records the applied load using an internal data logger which was developed by DLM Design Engineers.
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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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Underwater Thickness Gauge
Multigauge 4000
The Multigauge 4100 and 4400 ROV Underwater Thickness Gauges mount onto most types ROV. There are two models in the range, the Multigauge 4100 which has a depth rating of 1000m and the Titanium Multigauge 4400 which has a depth rating of 4000m.
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Ultra-Wide Underwater HD Camera
Surveyor-HD-Pro
The Teledyne Bowtech Surveyor-HD-Pro ultra-wide underwater HD camera is designed to provide the widest angle of view, whilst remaining compact and very competitively priced. The camera is ideal for ROV inspection tasks, scientific observation and broadcast applications.Video output is available as HD or HD-SDI over fibre.
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Cable Identification System & Cable Phasing System
Impulse Phaser
With the introduction of direct buried, solid dielectric primary voltage cables, the IMPULSE PHASER has come into greater prominence for safely and accurately identifying buried primary cables, including jacketed neutral designs. The IMPULSE PHASER has been accurately used on paper insulated, lead covered feeders in excess of 20 miles and even on submarine cable 300 feet underwater.
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Underwater Quantum/PAR Sensors
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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Glass Reinforced Epoxy (GRE) Connectors
Waterproof, submersible electrical connectors rated up to 20,000 psi. Specifically designed for harsh environments, the GRE connectors from Teledyne Impulse are rugged and reliable connections for ROVs, AUVs, underwater instrumentation, and others areas of high pressure or extreme conditions.
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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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Pocket-size pressure logger
DEFI2-DHG & DEFI2-D
DEFI2-DHG and DEFI2-D are miniature pressure recorders (depth meters) for long-term observations (DEFI-D and DEFI-DHG are up to 573 days and 52 days respectively and for 1 minute interval observation). These two recorders can be used attached to fishing nets, underwater instruments and moorings. Also, AAA alkaline batteries used by DEFI-DHG and DEFI-D are easily available, reducing the operating costs.
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Rechargeable Submersible Strobe up to 4,000m
ST4K
The Teledyne Bowtech ST4K, Xenon rechargeable 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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AUV | ROV Sensors: AUV | ROV Sensors
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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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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Miniature High Density (MHD) Metal Shell Connectors
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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Underwater Package
LI-1500/G-UW
GPS enabled LI-1500 Light Sensor Logger with the hardware necessary to take underwater measurements.
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Underwater Color Zoom CCD Camera
Surveyor-SD
The Teledyne Bowtech SURVEYOR-SD underwater colour zoom camera utilises CCD technology, delivering exceptional picture quality, with a 28:1 optical zoom lens and a horizontal resolution of 670 TV lines, all within a 4,000 (or 6,000) metre rated high quality titanium housing, with a 99.7% optically clear sapphire window.
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Sonar systems
For surface ship applications Ultra has developed a comprehensive, fully-integrated sonar system, comprising both on-board sonars such as hull-mounted and towed arrays. This modular system fuses data from own-ship and off-board sensors to build a complete underwater tactical picture delivering a bi-static sonar capability.
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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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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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Light Measurement
Redesigned light sensors optimized for ecological, meteorological, solar energy, plant research, and underwater measurements.
