DOPPLER VELOCITY LOG

DVL333 - 300 m

Tracking du fond de 0.3 à 380 m. Profondeur opérationnelle de 300 m.

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Overview

  • The DVL333 is a universal Doppler Velocity Log that combines compact design with unprecedented functionality. It can fly higher in the water column and closer to the seabed than similar equipment. This 333 kHz Doppler Velocity Log is used by industry leaders in the subsea market because of its high accuracy and state-of-the-art technology.

Highlights

  • Bottom track from 0.3-380 m range
  • Per-ping and per-beam data quality estimates
  • 300 m operational depth

Applications

  • Highly accurate subsea surveys
  • AUVs with long missions or high accuracy requirements
  • Easy integration with leading inertial navigation systems (INS)

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    • Bottom velocity

      Single ping std @ 3 m/s 0.5 cm/s
      Long-term accuracy ±0.1% / ±0.1 cm/s
      Minimum altitude 0.3 m
      Maximum altitude >380 m2)
      Velocity resolution Better than 0.01 mm/s
      Maximum ping rate 8 Hz
    • Water tracking

      Minimum accuracy 0.3% of measured value ± 0.3 cm/s
      Minimum range 4.0 m
    • Current profiling

      Minimum accuracy 0.3% of measured value ± 0.3 cm/s
      Velocity resolution 0.1 cm/s
      Interval User-specified Nth ping
      Maximum range 100 m
      Blanking 0.5 m
      Cell size 0.5-4.0 m
      Max # cells 140
    • Environmental

      Operating temperature -4 to +40 °C
      Storage temperature -20 to +60 °C
      Vibration IEC60068-2-64
      EMC approval IEC/EN 61000-6-2, 61000-6-3
    • Mechanical

      Depth rating 300 m, 1000m available as custom design
      Weight 3.5 kg
      Weight in water 0.5 kg
      Height 203 mm
      Diameter ø186 mm
    • Hardware

      Frequency of operation 333 kHz
      Beam width 4.3°
      Configuration 4-beam Janus array convex transducer, 25° beam angle
      Internal memory 16 GB / 64 GB optional
      Frequency of operation 500 kHz
      Bandwidth 25% centered at transmit frequency
    • Interfaces

      Serial (either serial or ethernet) Configurable RS-232 or RS-422 Subconn connector, 8-pin male
      Ethernet 10/100 Mbits Auto MDI-X. TCP/IP, UDP/IP, HTTP protocols. Fixed IP / DHCP client /Auto IP address assignment. UPnP and Nortek proprietary instrument discovery over Ethernet. IEEE1588/PTP and NTP for absolute time stamping. Multiple simultaneous data format transmission possible.
      Data formats Nortek proprietary w/ 1 ms time stamp accuracy, NMEA0183, Variants of PDx
      Trigger Internal 1, 2, 3, 4, 5, 6, 7 or 8 Hz or Trigger In. Trigger option through command (Ethernet or serial) External TTL or 485 lines: (configurable Rising/Falling/Edges)
    • Sensors

      Pressure 0.1% FS /precision better than 0.002% of full scale per sample
      Temperature -4° to +40 °C ± 0.1 °C
    • Power

      DC input 12-48 V
      Maximum continuous current 1.5 A
      Average power 4.0 W*
      * Power based on 1 Hz sampling and altitude with greatest transmit pulse.
    • Materials

      Standard models POM housing

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    • Technical drawings

    • Approvals


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    • Main product

      01

      DVL333 - 300m

    • Probe type / Head

      01

      4 beam head

    • Housing

      01

      Plastic housing, 300m

    • Memory

      01

      16 GB SD card data logger

      02

      64 GB

    • Pressure sensors

      01

      Pressure sensor 0-10 m, 0,1%

      02

      Pressure sensor 0-20 m, 0,1%

      03

      Pressure sensor 0-30 m, 0,1%

      04

      Pressure sensor 0-50 m, 0,1%

      05

      Pressure sensor 0-100 m, 0,1%

      06

      Pressure sensor 0-200m, 0,1%

      07

      Pressure sensor 0-300m, 0,1%

    • Cables

      01

      Cable, 8 pin female ethernet AD2CP with RS485 trigger

      02

      Cable, 8 pin female serial AD2CP with RS485 trigger

      03

      Cable, 8 pin female ethernet AD2CP with TTL trigger

      04

      Cable, 8 pin female serial AD2CP with TTL trigger

    • Other

      01

      Bottom track

      02

      Current profiles, 4 beams



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