Aanderaa SeaGuardII DCP Wave

Aanderaa SeaGuardII DCP Wave is a 600kHz Doppler Current Profiler able to measure directional wave parameters and currents from a bottom-mounted installation. The Acoustic Wave software 5759 used by the DCPS implements unique features to improve the wave measurement accuracy by optimizing the signal to noise ratio.

The maximum deployment depth is 40m in normal scatter conditions. Available as a self-recording instrument, it is easily integrable into a real-time system offering reliable two-way communication. Redundant wave measurement for QA/QC can be implemented by adding the wave and tide sensor 5218.

Aanderaa SeaGuardII DCP Wave Applications

  • Navigation safety
  • Prediction and modeling
  • Energy assessment
  • Infrastructure design
  • Coastal processes, erosion
  • Oil & Gas

Specifications | Velocity profile measurement

  • Acoustic frequency: 600 kHz
  • Typical profiling range
    – Broadband: 30-70m
    – Narrowband: 35-80m
  • Cell size: 0.5m – 5m
  • Cell overlap: 0-90%
  • Velocity range
    – Narrowband: 0-500cm/s – (1000cm/s with max tilt ± 5°)
    – Broadband: 0-400cm/s
  • Velocity accuracy: 0.3cm/s or ±1% of reading
  • Velocity resolution: 0.1cm/s
  • Velocity precision: <3,3cm
  • Ping rate: Up to 10Hz (config. dependent)
  • Cell positioning: Instrument or surface referred
  • Multiple columns: 3 simultaneous columns + Surface cell3)
  • Max. number of cells: 150 total, 75 for first column, 50 for second and 25 for third
  • Blanking zone: 1m

Wave measurement

WAVE Range Resolution Accuracy
Height 0.2m – 20m 1cm ± 5cm or
<1% of value
Period 3-30 sec <0.05 sec <1%
Direction 0-360° 0.1° <2°(RMS)4)
Minimum wave period (s) 10m 20m 30m 40m
Cut-off period (Hs) 03.12 03.33 4 5
Cut-off period (Dir) 03.05 04.04 05.09 06.06
  • Integration time: 5-30min
  • Wave calculation update rate: 10min – 2h
  • Wave sampling rate: 2Hz, 4Hz

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Aanderaa SeaGuardII DCP Wave Echo intensity

  • Dynamic range: > 50dB
  • Resolution: < 0.01dB
  • Precision: < 0.01dB

Tilt and compass

  • Type: Internal solid state
  • Pitch / roll range: ± 90° / ± 180°
  • Tilt accuracy: <0.5°(RMS), ±1.5°
  • Heading accuracy: <2°(RMS), ± 3.5°
  • Tilt / Heading resolution: < 0.1°

Embedded temp sensor 4080 (optional, on request)

  • Range: -4- +40°C
  • Resolution: 0,001°C
  • Accuracy: ± 0,05°C
  • Response Time: (63%): <5 sec

Pressure sensor 4117 (needed for surface distance)

  • Resolution: <0.0001% FSO
  • Accuracy: ±0.02% FSO standard; ±0,01% FSO on request

Wave sensor 5218 (recommended)

  • Wave max: 1000kPa
  • Resolution : <0,0001% FSO
  • Accuracy:  ±0,02% FSO standard; ±0,01% FSO on request
  • Wave: Sampling rate: 2Hz, 4Hz
  • Samples: 256, 512, 1024, 2048

Communication and recording

  • Data storage: 2GB SD Card /remote download
  • Available telemetry: Cable, radio modem, GPRS, GOES, Iridium
  • Configuration and real-time data software: Real-Time Collector
  • Configuration interface: USB / RS232 / RS422
  • Recording interval: From 30 sec to 3 hrs

Power options

  • External power supply: 12-30V
  • Internal battery :
    2 batteries in the instrument
    Alkaline 3988: 9V, 15Ah
    Lithium 3908: 7V, 35Ah
    Additional rechargeable battery 4021 for the bottom mooring frame 3448
  • Current drain example: 1.4W

Aanderaa SeaGuardII DCP Wave Environmental

  • Depth rating: 300m
  • Operating temperature: -5 to +40°C
  • Dimensions: D: 160mm H: 585mm
  • Weight: In Air (SW 10.8) In Water (SW 3.6kg)
  • Materials: PET, PUR, Titanium, Stainless steel 316, polyurethane

Optional additional sensors

  • Temperature Sensor 4060
  • Tide sensor 5217
  • Conductivity Sensor 4319
  • Turbidity Sensor 4112
  • Oxygen Optode 4835/4330

Aanderaa SeaGuardII DCP Wave Analog and serial inputs

  • Analog: 4 channels 0-5V
  • Serial: 2 channels with sensor and power switching one RS232 port and one RS422

Download Datasheet: SeaGuardII DCP Wave

Reference: aanderaa.com

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