DOPPLER VELOCITY LOG

DVL1000 - 4000 m

Bottom-track from over 0.2 to 75 m range; 4000 m max. operational depth

Highlights

  • Industry’s smallest DVL
  • Bottom track from 0.2-75 m range
  • Quality estimates - per beam and ping

Overview

  • The DVL1000 is the world’s smallest commercially available Doppler Velocity Log. It combines compact design with unprecedented functionality, being able to fly higher in the water column and closer to the seabed than similar equipment. It has a maximum operational depth of 4000 m and is ideally suited for subsea navigation where size and weight are a concern. This 1 MHz Doppler Velocity Log is used by
    industry leaders in the subsea market because of its high accuracy and state-of-the-art technology.

Applications

  • Observation-class ROVs and AUVs
  • Near-bottom operations
  • Highly accurate subsea surveys
  • Easy integration with high-grade 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 0.2 m
      Maximum altitude 75 m
      Velocity resolution 0.01 mm/s
      Maximum ping rate 8 Hz max
    • Water tracking

      Minimum accuracy 0.3% of measured value ± 0.3 cm/s
      Minimum range 2.0 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 30 m
      Blanking 0.1 m
      Cell size 0.2-2.0 m
      Max # cells 150
    • Environmental

      Operating temperature -4 to +40 °C
      Storage temperature -20 to +60 °C
    • Mechanical

      Depth rating 4000 m
      Weight 2.7 kg
      Weight in water 1.7 kg
      Height 164 mm
      Diameter ø114 mm
    • Hardware

      Frequency of operation 1 MHz
      Beam width 2.9° 2.9°
      Configuration 4-beam Janus array convex transducer, 25° beam angle
      Internal memory 16 GB / 64 GB optional
    • Interfaces

      Serial (either serial or ethernet) Configurable RS232 or RS422 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 peak current 1.5 A
      Average power 1.3 W
    • Materials

      Standard models POM and titanium housing


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    • Main product

      01

      DVL1000, 4000m

    • Probe type / Head

      01

      4 beam head

    • Housing

      01

      Titanium housing, 4000m rated

    • 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 0-500m, 0,1%

      08

      Pressure sensor 0-1000m, 0,1% (DVL1000, 4000m only)

      09

      Pressure sensor 0-4000m, 0,1% (DVL1000, 4000m only)

    • 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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