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Nortek DVL1000 - 4000m

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

The DVL1000 is the world’s smallest survey-grade 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.

  • Nortek DVL1000 - 4000m
Nortek
Vangkroken 2
1351 Rud
Norway
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Description

Highlights

  • Industry-wide acceptance
  • Bottom track from 0.2-75 m range
  • Quality estimates - per beam and ping

Applications

  • Observation-class ROVs and AUVs
  • Near-bottom operations
  • Highly accurate subsea surveys
  • Easy integration with high-grade INS

For more information download the technical specification (PDF).

 

 

Specifications

  • Year of introduction
    2015
  • System components
  • Width/Diameter [cm]:
    0.114
  • Height [m]
    0.164
  • Weight in air [kg]
    2.7
  • Weight in water [kg]
    1.7
  • Housing material
    POM/Titanium
  • Max. operating depth [m]
    4000
  • Platforms [ROV, submarines]
    Suitable for all underwater vehicles
  • Mounting possibilities
    Bolt mount/interface plate
  • Operating temperature: min. [°C]
    -4
  • Operating temperature: max. [°C]
    40
  • Storage temperature min [°c]
    -20
  • Storage temperature max [°c]
    60
  • Shock and vibration
    IEC60068-2-64
  • Min. external power DC [Voltage]
    12
  • Max. external power DC [Voltage]
    48
  • Average power consumption [W]
    1.3
  • Number of transducers
    4
  • Number of beams
    4
  • Transducer type
    Janus array convex transducer
  • Vertical beam opening angle [°]
    25
  • Beam width [°]
    2.9
  • Individually replaceable transducers
    Y
  • Velocity range [m/s]
    5
  • Velocity resolution [mm/s]
    0.01
  • Min. altitude [m]
    0.2
  • Max. altitude [m]
    75
  • Long term accuracy
    ±0.1% / ±0.1cm/s
  • Single Ping precision
    0.5 cm/s at 3 m/s
  • Interval
    User specified nth ping
  • Max. layer/cell size [m]
    2
  • Minimum range [m]
    0.1
  • Maximum Range [m]
    30
  • Long term accuracy
    0.3% of measured value or +/- 0.3cm/s
  • Velocity resolution [m/s]
    0.001
  • Min. layer/cell size [m]
    0.2
  • Internal INS/IMU
    N
  • Internal compass
    N
  • Temperature sensor
    Y
  • Accuracy temperature sensor
    0.1°
  • Pressure sensor
    Y
  • Accuracy pressure sensor
    0.1% full scale
  • Communication [RS232, USB, Ethernet]
    RS232 or RS485, 10/100 Mbits Auto MDI-XTCP/IP, UDP, HTTP protocolsFixed IP/DHCP client/AutoIP, UPnP
  • Connector type
    Subcon 8p MCBH female (serial), Subcon 8p MCBH (Et
  • Data baud rates
    300–1250000 baud (serial)
  • Number of possible concurrent outputs
    3
  • Internal memory [GB]
    64
  • Type of internal memory
    SD card
  • Requires separate software
    N
  • Time stamp in data
    1 millisecond precision, IEEE1588/PTP for absolute
  • Trigger
    Internal 1, 2, 3, 4 or 8 HzTrigger option through command(Ethernet or serial). External TTL or 485 lines:- 1 input trigger (configurable Rising/Falling/Edge)
  • Concurrent output specifications
    3 dedicated ethernet port, UDP
  • Distinguishable features
    Low power-long range-high precision-custom integration

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