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DOPPLER VELOCITY LOG

DVL500 - 6000 m

Bottom-track from 0.3 to 200 m range; 6000 m operational depth

Technical specification (PDF)
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Highlights

  • Bottom track from 0.3-200 m range
  • Per-ping and per-beam data quality estimates
  • 6000 m operational depth

Overview

  • The DVL500 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, and maximum operational depth is 6000 m. This 500 kHz Doppler Velocity Log is used by industry leaders in the subsea market because of its high accuracy and state-of-the-art technology.

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 200 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 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 70 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

    • Mechanical

      Depth rating 6000 m
      Weight 5.9 kg
      Weight in water 3.1 kg
      Height 203 mm
      Diameter ø186 mm

    • Hardware

      Frequency of operation 500 kHz
      Beam width 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. EEE1588/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

    • 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 3.0 W

    • Materials

      Materials POM and titanium housing

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    • Technical drawings

      DVL 500KHZ, 6000m General Arrangement - NGA032-003 Rev.B

      Download this

    • Approvals

      Declaration of conformity

      Download this

      End User Declaration - Nortek DVL

      Download this

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    • Main product

      01

      DVL500, 6000m

    • Probe type / Head

      01

      4 beam head

    • Housing

      01

      Titanium housing 6000M

    • 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%

      09

      Pressure sensor 0-4000m, 0,1%

      010

      Pressure sensor 0-6000m, 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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