Ballast weight may be needed to prevent overturning a CB-series buoy system and ensure stability in the water. The center of gravity of NexSens CB-Series buoys is near the water surface without instruments connected. Therefore, any top-side weight added above the water’s surface (e.g., sensors, sensor mounts) must be appropriately counterbalanced by ballast weight below the […]
Real-Time Water Quality Measurements The Sea-Bird Scientific HydroCAT CTD is ideally suited for extended deployments in remote, biologically rich environments to measure conductivity, temperature, pressure, and optical dissolved oxygen. The sensor is compatible with NexSens X-Series data loggers using the SDI-12 communication protocol and sensor interface. Parameter data is transmitted, in real-time, at a user-specified […]
The TriOS NICO UV Nitrate Sensor is an in-situ UV photometer that measures nitrate in lakes/rivers, drinking water, and wastewater applications. Nitrate is measured using the common principles of UV optical absorption utilized in laboratories worldwide. The sensor is compatible with the X2 data logger over the RS-485 sensor interface using the Modbus-RTU communication protocol. […]
The table below indicates the minimum recommended buoy ballast weights for each CB-Series data buoy, assuming no additional topside weight and calm environmental conditions. Included instrument cages mounted to the buoy frame helps stabilize the buoy and provides a deeper location for mounting additional weight. The small model instrument cage (10 lbs.) is included with […]
The following buoy storage requirements are required when storing a CB-Series data buoy with an X2-CB data logger: Storage Requirements Store the buoy in a dry environment that is kept above freezing. A climate-controlled location may be necessary. Extremely cold temperatures can negatively impact the performance of the batteries. Cold or excessively fluctuating storage temperatures […]
Use a DC volt/multimeter to verify the battery voltage of a CB-Series data buoy on the UW-6 (6-pin) SOLAR port on the data well top plate. This method works for both user-supplied battery systems with CB-PTL pass-through lid and NexSens-supplied CB-A01 and CB-A05 SLA battery systems. Measure the voltage between pins 3 (V+) and 4 […]
Offshore buoy monitoring systems, the advanced instruments they carry, and the data they provide are used in a broad range of applications. Some of these include scientific research, marine and weather forecasting and more.
These data buoys enable quick, easy deployment yet remain stable and keep sending data, no matter the surrounding conditions.
A water quality monitoring buoy with radio telemetry transmits data from Upper Lyman lake to the geology laboratory at Carleton College.
The Racine Hydroelectric Plant continually monitors dissolved oxygen in the Ohio River to ensure levels do not fall out of regulation.
