2.4
Mounting Considerations
Installation Planning
The integrated WBMS family of sonars are engineered for greater simplicity and efficiency of
installation; these systems were designed to be mounted on any marine vessel. For any questions
about mounting, please contact NORBIT Support. If not using an integrated WBMS, then fixing the
IMU on the survey pole reduces the need for well-designed and robust mounting systems that allow
the most minimal flexing with respect to the survey platform.
Review the survey platform (ship, launch, jet-ski, sea-kayak, USV, ROTV, ROV, AUV, etc.), record
the vessel layout and where cables could be secured to avoid tripping hazards or require chafe
protection. Have a walk around the vessel to best formulate the most ideal install locations. Attempt
to mount the systems nearest to vessel CoR. This is often off the port or starboard gunwale at the
fore/aft location of the approximate CoR. Beware of hull reflections or bubble sweep-down; mount
the sonar at or below the keel depth.
To reduce the likelihood of unexpected equipment failure and data quality degradation, care must
be taken when routing sensor cables on a vessel. Run the cable as far as possible from high power
electrical cables or devices. Electrical interference from such sources may result in loss of system
performance. It is advised to keep bends in the cables to a minimum and to avoid kinks, twist or
unnecessarily stretching the cables. Avoid pinching them in windows, doors and other equipment.
Cables should be secured to avoid excess movement or prevent wear on the cable sheath. Long
cables should be kept away from power sources and separated from itself (not coiled tightly and
placed in a corner) to avoid electrical interference.
The sonar cable is simply a bundled LAN and DC power cable. It is possible, therefore, for cables
to easily be repaired on-site by an experienced electronics technician. Please contact NORBIT
support for detailed guidance. Cable length may be up to 50m or be ordered to a custom length.
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