A NexSens CB-75-SVS data buoy floating on the surface of the water. A NexSens CB-75-SVS data buoy floating on the surface of the water.

CB-75-SVS Wave Buoy

The compact CB-75-SVS Wave Buoy offers the latest in real-time wave observations with flexible communications and optional expansion with additional sensors.

Features

Compact



With 21” (53.34cm) hull diameter and less than 40 lb. (18.2kg) weight, the CB-75-SVS can measure waves in drifting, tethering or mooring applications.

Close-up of the CB-75-SVS data buoy with instrument cage attached. Close-up of the CB-75-SVS data buoy with instrument cage attached.

Compact



With 21” (53.34cm) hull diameter and less than 40 lb. (18.2kg) weight, the CB-75-SVS can measure waves in drifting, tethering or mooring applications.

Close-up of the CB-75-SVS data buoy with instrument cage attached. Close-up of the CB-75-SVS data buoy with instrument cage attached.


Self-Powered



Three integrated 4-watt solar panels are evenly spaced around the buoy to capture sunlight from any direction and charge the internal buoy battery.

Close-up of the CB-75-SVS data buoy solar tower. Close-up of the CB-75-SVS data buoy solar tower.
Close-up of the CB-75-SVS data buoy solar tower. Close-up of the CB-75-SVS data buoy solar tower.

Self-Powered



Three integrated 4-watt solar panels are evenly spaced around the buoy to capture sunlight from any direction and charge the internal buoy battery.



Integrated Wave Sensor



Wave height, period and direction are measured with the industry-leading SeaView Systems SVS-603HRi inertial wave sensor built directly into the waterproof buoy electronics.

Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well. Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well.

Integrated Wave Sensor



Wave height, period and direction are measured with the industry-leading SeaView Systems SVS-603HRi inertial wave sensor built directly into the waterproof buoy electronics.

Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well. Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well.


Data Logging



The CB-75-SVS Wave Buoy includes the X3-SVS Wave Data Logger with integrated power supply, wet-mate marine connectors and optional wireless telemetry.

The NexSens X3 submersible data logger. The NexSens X3 submersible data logger.
The NexSens X3 submersible data logger. The NexSens X3 submersible data logger.

Data Logging



The CB-75-SVS Wave Buoy includes the X3-SVS Wave Data Logger with integrated power supply, wet-mate marine connectors and optional wireless telemetry.



Wireless Communications



The X3-SVS wave data logger is available with 4G cellular or Iridium satellite communications. The integrated antenna is nestled securely beneath the solar top.

Close-up of the CB-75-SVS data buoy with data waves. Close-up of the CB-75-SVS data buoy with data waves.

Wireless Communications



The X3-SVS wave data logger is available with 4G cellular or Iridium satellite communications. The integrated antenna is nestled securely beneath the solar top.

Close-up of the CB-75-SVS data buoy with data waves. Close-up of the CB-75-SVS data buoy with data waves.


System Expansion



Two additional sensor ports on the X3-SVS wave data logger allow for optional expansion with GPS receivers, meteorological stations, water quality sondes and other sensor types.

Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well. Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well.
Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well. Close-up of the X3-SUB installed inside the CB-75-SVS data buoy's data/battery well.

System Expansion



Two additional sensor ports on the X3-SVS wave data logger allow for optional expansion with GPS receivers, meteorological stations, water quality sondes and other sensor types.



Top-to-Bottom Ports



Three 1.5-inch pass-through ports allow for sensors to be mounted underwater while securely routing the cable. Each port includes a slotted cap secured by hex bolts.

X-ray view of the CB-75-SVS data buoy. X-ray view of the CB-75-SVS data buoy.

Top-to-Bottom Ports



Three 1.5-inch pass-through ports allow for sensors to be mounted underwater while securely routing the cable. Each port includes a slotted cap secured by hex bolts.

X-ray view of the CB-75-SVS data buoy. X-ray view of the CB-75-SVS data buoy.


Mooring Connections



Three eye nuts on the bottom frame provide mooring points for tethering and mooring applications. The stainless steel instrument cage provides ballast weight and also includes a mooring eye.

Close-up of the CB-75-SVS data buoy hull from below. Close-up of the CB-75-SVS data buoy hull from below.
Close-up of the CB-75-SVS data buoy hull from below. Close-up of the CB-75-SVS data buoy hull from below.

Mooring Connections



Three eye nuts on the bottom frame provide mooring points for tethering and mooring applications. The stainless steel instrument cage provides ballast weight and also includes a mooring eye.



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.

Close-up of the CB-75-SVS data buoy solar tower with a solar marine light attached. Close-up of the CB-75-SVS data buoy solar tower with a solar marine light attached.

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.

Close-up of the CB-75-SVS data buoy solar tower with a solar marine light attached. Close-up of the CB-75-SVS data buoy solar tower with a solar marine light attached.


Built to Last



Constructed of cross-linked polyethylene foam with a heavy polymer skin and an indestructible stainless steel frame, the CB-75-SVS is designed for years of service.

Close-up of the CB-75-SVS data buoy with instrument cage attached. Close-up of the CB-75-SVS data buoy with instrument cage attached.
Close-up of the CB-75-SVS data buoy with instrument cage attached. Close-up of the CB-75-SVS data buoy with instrument cage attached.

Built to Last



Constructed of cross-linked polyethylene foam with a heavy polymer skin and an indestructible stainless steel frame, the CB-75-SVS is designed for years of service.



Configuring a Data Buoy

YouTube video thumbnail.
YouTube video thumbnail.
United States Flag Icon

Purchase in the USA

Visit our US distributor, Fondriest Environmental, to purchase online.

Globe Icon

Purchase Internationally

Click the button below to find a local distributor.

Contact a NexSens Applications Scientist

Need help designing an Environmental IoT system? NexSens applications scientists will help you design the perfect monitoring system to meet field conditions and monitoring needs.

CONTACT A SPECIALIST

Tech Specs

Wave Sensor: SeaView Systems SVS-603HRi
Parameters: Hs Wave Height (Significant Wave Height), TP (DPD) Wave Period, Dominant Wave Direction, Mean Wave Direction (MWD), Te Energy Period, RMS Tilt Angle, Max Tilt Angle
Range: Wave Height: 0.2-20m; Wave Period: 1-30 seconds; Wave Direction: 0-360°
Resolution: Wave Height: 0.001m; Wave Period: 0.001 seconds; Wave Direction: 0.001°
Accuracy: Wave Height: +/- 0.5cm; Wave Period: <1%; Wave Direction: +/-2°
Buoy: NexSens CB-75
Hull Outer Diameter: 21” (53.34cm)
Hull Height: 13” (33.02cm)
See Full Specs
Tower Height: 8.2” (20.83cm)
Solar Panels: 3x 4-watts
Weight: 49 lb. (22.23kg)
Net Buoyancy: 81 lb. (36.74kg)
Tethering Attachments: 3x 3/8” eye nuts
Data Logger: NexSens X3-SVS
Operating Temperature: -40°C to 70°C
Rating: IP68
User Interface: Wireless Bluetooth or wired RS-485 via USB adapter to CONNECT Software; WQData LIVE Web Datacenter with optional wireless telemetry; Status beeps
Real Time Clock (RTC): <30sec/month drift1; Auto-sync weekly2; Internal backup battery
Data Logging: 8 MB non-volatile flash memory; >1 year storage with 20 parameters at 15-minute interval; Max 200 parameters per log interval (170 parameters per instrument)
Log Interval: User configurable (30-minute default minimum)3; Unique interval per sensor
Transmit Interval: User configurable (60-minute default minimum)
Transmission Trigger: Time-based; Selective parameter upload option
Sensor Interfaces: RS-232 (2 Channels), SDI-12, RS-485, Pulse Count
Built-in Sensors: Temperature (-40° to 100°C, 0.016°C resolution, ±0.3°C accuracy); Humidity (0% to 100%, 0.03% resolution, ±4% accuracy from 5 to 95% RH; System voltage; System current; System power; Real-time clock (RTC) battery voltage
Sensor Ports: (2) MCBH-8-MP for sensor interface (RS-232, RS-485, SDI-12, Power, GND)
Power Port: (1) MCBH-6-FS for power and communication (12V Solar In, Power Switch, RS-485 Host, GND)
Telemetry Options: 2.4GHz Wi-Fi (802.11 b/g/n), 4G LTE global cellular, Iridium satellite; includes fallback support
Antenna Port: Type N female

Notes

1 Assumes 25ºC operating temperature
2 Requires the X3-SVS to be connected to the internet
3 Minimum log interval dependent on wave sensor sampling frequency (5-minute, 10-minute, or 20-minute sample duration)

Tech specs image Tech specs image

Systems

Learn more about environmental system and equipment applications on the NexSens System database.

VIEW ALL SYSTEMS