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Ballast Weight & Stability
An optional instrument cage mounted to the buoy
frame can help stabilize the buoy and provides a deeper
location for mounting additional weight. If needed, a
1/2” galvanized chain (~2.3 lb/ft) or other weight may
be added to the bottom of the cage or buoy frame. For
single-point mooring configurations, mooring chain and
lines connected to the bottom of the cage or frame may
provide adequate ballast.
a. For more information regarding top-side and ballast
weight, follow the link provided:
• nexsens.com/dbbwstab
Mooring Configurations
To develop an effective mooring strategy, a variety of
application-specific criteria (water level fluctuations,
currents and wave action, debris loads, etc.) must be
thoroughly reviewed prior to deployment. NexSens does
not endorse any particular mooring strategy for any
specific application.
a. For more information on mooring configurations,
follow the link provided:
• nexsens.com/mooringdb
Safe Deployment
Warning
: Always follow safe marine and boating
practices. Heavy anchors, ballast weights, and chain
require careful maneuvering. Small boats with limited
lifting equipment and boat clutter can be unsafe. Care
must be taken during deployment to maintain a clean
and safe environment.
CB-50 Buoyancy
The upper float of the CB-50 should not be submerged
for extended periods of time. The SDL communication
bulkhead (outlined in red) should be oriented above
the water line (blue line) under normal deployment
conditions. Excess ballast weight may result in the
submersion of the SDL bulkhead and a subsequent
decline in both remote communication performace and
life of the data logger.
For additional information, please reference the CB-50 Resource Library on the NexSens Knowledge Base.
nexsens.com/cb50kb
Remove the orange exterior O-ring from the
bottom of the X2-SDL.
a. Insert the X2-SDL into the data well.
b. Push down until the top exterior orange
O-ring rests against the data well plate.
Re-install the foam top and white plate.
a. Secure them in place by inserting and
tightening the three top-facing threaded rod
assemblies.
Figure 4: Insert the X2-SDL into the buoy well.
Figure 5: CB-50 buoyancy diagram.
