SeaView Systems SVS-603HR Wave Sensor

The SVS-603HR Wave Sensor is an augmented version of the highly accurate SVS-603 wave sensor that reports heading, wave height, wave period and wave direction via RS-232 or logs to its on-board data logger.


  • Plug-and-play interface with the full line of NexSens CB-Series data buoys
  • Sophisticated onboard electronics provide near-real-time wave statistics
  • On-board data logger capable of logging as much as twenty years of wave data
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The SeaView Systems SVS-603HR represents a new generation in accuracy and completeness for wave sensing electronics whose features include:

  • Low power consumption; fits the smallest power budget
  • Small environmental footprint; sold packaged or as bare PCB
  • Sensors account for 3-D motion, rotation and compass heading in all dimensions to cover nine degrees of freedom
  • Onboard electronics provide near-real-time wave statistics
  • Variable sample set size (256, 512, 1024, 2048 or 4096)
  • On-board temperature compensation
  • On-board data logger capable of logging as much as twenty years of wave data, depending on desired outputs
  • Easy configuration to match exact sensing rate and output requirements
  • Readily interfaced with transmitter using NMEA or other configurable data output
  • Sampling rates from 1 to 8Hz (user configurable)

The SVS-603HR can be used to replace existing sensors, to upgrade existing buoys, or to add wave sensing capabilities to even the most compact buoys. Among the wave data that are available as outputs from the sensor are:

  • Significant wave height in meters (Hs)
  • Wave period in seconds
  • Wave direction in degrees from north
  • North, east and up displacement time series
  • First-5 Fourier wave coefficients
  • Maximum wave height (Hmax)
  • Wave period at Hmax
  • Wave energy
  • Spectrum (raw or processed)
  • Heading in degrees
  • Custom outputs as required
Other outputs or data manipulations can be incorporated via firmware updates or through calculations on the available data stream.
Questions & Answers
Can I use this sensor with my own data logger?
The SVS-603HR wave sensor reports calculated wave statistics via RS-232 with multiple output formats including NMEA, so you just need to make sure the data logger in question supports RS-232 with a compatible format. All of the NexSens X2 data loggers are compatible with the SVS-603HR wave sensor.
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SeaView Systems SVS-603HR Wave Sensor
SVS-603HR inertial wave height, period & direction sensor, board only
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NexSens SVS-603HR Wave Sensor
SVS-603HR inertial wave height, period & direction sensor with waterproof housing & UW plug connector, 3m cable
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