DeepWater Buoyancy and Tekmar Group are exhibiting together at the Business Network for Offshore Wind’s International Partnering Forum 2022 conference.
Instrument Bottom Mounts
DeepWater Buoyancy’s BTM-AL50 bottom mounts are designed for ADCP deployment in shallow ocean waters, rivers, coastal areas, and anywhere else where the size and remote recoverability of the AL-200 and AL-500 TRBM are not required.
These rugged diver-serviceable tripods come ready to accept your ADCP and battery canister, and can be modified to fit CTD, wave / tide gauge, velocimeter or other instrumentation.
BTM-AL50’s are manufactured using 5000 series aluminum, galvanically-isolated fasteners, and are fitted with zinc anodes for superior corrosion resistance. The double axis gimbal keeps your ADCP oriented to vertical after deployment and is manufactured using ultra-high molecular weight polyethylene to deter marine growth.
The units' three foot pads are supplied with through holes for ballast or for spiking, depending on your application. Standard (10lb/4.5kg) urethane-coated ballasts are provided for each of the three legs. Additional ballast is available upon request.
BTM-AL50-A Welded Bottom Mount - Side View
BTM-AL50-A Welded Bottom Mount
BTM-AL50-A Welded Bottom Mount - ADCP Battery Clamp View
BTM-AL50-B Collapsible ADCP Bottom Mount - Open
BTM-AL50-B Collapsible ADCP Bottom Mount - Closed
BTM-AL50-B Collapsible Bottom Mount with Teledyne SentinelV ADCP and DeepWater Buoyancy Pop-Up Recovery Buoy System
DeepWater Buoyancy Pop-Up Recovery Buoy System mounted on leg of BTM-AL50-B Collapsible Bottom Mount 
DeepWater Buoyancy Pop-Up Recovery Buoy System mounted on leg of BTM-AL50-B Collapsible Bottom Mount 
BTM-AL50-A ADCP Bottom Mount - Gimbal Detail
BTM-AL50-B Collapsible Bottom Mount with Teledyne SentinelV ADCP mounted in the 2-axis gimbal.
BTM-AL50-A ADCP Bottom Mounts with Ballast
BTM-AL50-A ADCP Bottom Mounts
BTM-AL50-A ADCP Bottom Mounts in Crate for Shipment
Custom BTM-AL50-B Collapsible Bottom Mount ClosedRelated Media
Oceanology International 2022
DeepWater Buoyancy is exhibiting at Oceanology International 2022 – March 15-17 at ExCel London.
Representative Spotlight – DeepBlue Technology
DeepWater Buoyancy is highlighting our French representative group.
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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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Instrument Collars
Designed for long term submergence, our instrument collars provide years of reliable service and stand up to rough handling during operations. Each yields the buoyant force needed for a rapid ascent and positive recovery without impairing the performance of the instrument. From shallow water surveys to ultra deepwater positioning, you can count on these collars to help ensure overall success in the field.
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