NexSens CB-50 Data Buoy

The CB-50 data buoy is designed for quick deployment in emergency response situations including industrial spills and natural disasters

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With an overall 18-inch diameter by 37.5-inch height, the CB-50 can be deployed quickly and easily from a small boat. Fully configured systems typically weigh around 50 lbs. 




A removable topside foam tower protects the electronics, supports solar marine lights, and offers a convenient lifting point via (3) 5/8” eyenuts.


Centre Hole:


The 5.5” ID center hole is designed to securely house X2-SDL data loggers. Empty canisters are also available for user-supplied electronics.


Sensor Connections:


The X2-SDL is configured with three sensor ports for connection to industry standard communication protocols including SDI-12, RS-485 and RS-232.


Instrument Cage:


An optional instrument cage provides a secure mounting location for water quality sensors, multi-parameter sondes, depth sonar and more.


Solar Beacon:


The optional solar marine light has a one to three nautical mile range and securely mounts to the buoy top plate for maximum visibility.


Data Logging:


The CB-50 data buoy is designed to accommodate the X2-SDL submersible data logging system, which includes integrated power supply and optional wireless telemetry.


Wireless Communication:


The X2-SDL data logger is available with radio-to-shore, cellular and Iridium satellite communications. An integrated antenna mounts securely beneath the tower.


Built to Last:


Constructed of cross-linked polyethylene foam with a heavy polymer skin and an indestructible stainless steel frame, the CB-50 is designed for years of service.


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    Additional information

    Hull Dimensions

    20" (50.80 cm) outside diameter; 12" (30.48 cm) tall

    Tower Dimensions

    14" (35.56 cm) outside diameter; 10" (25.40 cm) tall

    Centre Hole Dimension

    5.5" (13.97 cm) inside diameter


    5.5" (13.97 cm) inside diameter


    50 lbs. (22.68 kg)

    Hull Material

    Cross-linked polyethylene foam with polyurea coating & stainless steel deck

    Hardware Material

    316 stainless steel

    Mooring Attachments

    1 point, 3/4" eyenut