DeepWater Buoyancy and Tekmar Group are exhibiting together at the Business Network for Offshore Wind’s International Partnering Forum 2023 conference.
Benthic Lander
DeepWater Buoyancy’s Benthic Lander allows for deployment of instruments to the seafloor to depths as great as 6000 meters. The design provides for a dual acoustic release system for release redundancy. It is highly-customizable and can accommodate a variety of instruments. The unit is designed to remain on the seafloor until the acoustic releases are activated.
Release activation causes the ballast pack to be dropped. The loss of weight from the dropping of the ballast leaves the unit positively buoyant and it ascends to the surface. The base frame is manufactured with 5000 series marine aluminum. The recovery buoy is made from high-strength DeepTec® solid syntactic foam that is rated to the application’s deployment depth and, unlike hollow glass balls, carries no risk of implosion.
The foam is finished with an abrasion-resistant, polyurethane elastomer coating. Additional framework is fabricated from 316 stainless steel and are electropolished for superior corrosion resistance. The unit is suited for both shallow and deep water applications but is not designed for trawl resistance. For applications in trawling areas, please see our Trawl-Resistant Bottom Mount.
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To get assistance in choosing or configuring the correct product, to obtain a quote, or to place an order, please contact us.
DeepWater Buoyancy's Benthic Lander undergoing final inspection.
Detail of instrument hardware on the topside of the Benthic Lander buoyancy block.
Close up view of the dual acoustic release and ballast assembly for the DeepWater Buoyancy Benthic Lander.
NOC preparing to deploy their Benthic Lander.
National Oceanography Centre of Southampton UK deploys their 6000 meter Benthic Lander.Related Media
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UpdatedInstrument Bottom Mounts
Whether your bottom mount requirement is for a mid-frequency or high-frequency ADCP, we can accommodate you. These diver-serviceable units can be produced to accept your ADCP, battery, CTD, acoustic modem or other instrument. The popular BTM-AL50 is now offered in both welded and collapsible versions.
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Trawl-Resistant Bottom Mounts
These TRBMs may be deployed by free-fall, or by a diver or ROV. They have a double axis gimbal inside a buoyant recovery pod, and are designed to permit retrieval of all mounted instruments. An optional Spectra line pack can be provided for recovery of the base for turnaround deployments. Our TRBMs are available in depths of over 500 meters. We also offer disposable concrete bases.
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