Nortek DVL 1 M Hz 6000 side2 1
Nortek DVL 1 M Hz 6000 front
IMG 0139
Nortek DVL 1 M Hz 6000 side2 1
Nortek DVL 1 M Hz 6000 front
IMG 0139

Navigation

DVL1000

6000 m

Bottom-track from over 0.1 to 75 m range; 6000 m max. operational depth

  • Industry-wide acceptance
  • Bottom track from 0.1-75 m range
  • Quality estimates - per beam and ping

Overview

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 6000 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.

  • Currents
  • Bottom track

Highlights

  • Industry-wide acceptance
  • Bottom track from 0.1-75 m range
  • Quality estimates - per beam and ping

Usage

  • Integration on observation-class ROVs and AUVs
  • Near-bottom operations in deep-sea areas
  • Precision navigation for highly accurate subsea surveys

Integration

This 6000m rated survey-grade DVL is equipped for easy integration with leading INS systems to create a robust, reliable navigation system, tested and proven across AUV, ROV, USV and other platforms of all sizes. As with all of Nortek's DVLs, the DVL1000 is compatible with top control software including EIVA, Seebyte and Greensea.

Reliability

Tested in demanding conditions in the Oslo fjord, the DVL1000 has a proven track record in areas of variable bathymetry and conditions. The water track feature provides a velocity backup if the bottom becomes out of range. The spectrum analyzer assures thorough system level integration.

Results

The DVL1000 provides reliable navigation in the most demanding conditions across multiple platforms. The addition of simultaneous current profiles improves operational safety and allows opportunistic oceanographic data collection.

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Single ping std @ 1.5 m/s

0.8 cm/s at 1/2 max altitude

Long-term accuracy

±0.1% / ±0.1 cm/s

Minimum altitude

0.1 m

Maximum altitude

75 m

Velocity resolution

0.01 mm/s

Maximum ping rate

8 Hz max

Minimum accuracy

0.3% of measured value ± 0.3 cm/s

Minimum range

2.0 m

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

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

Depth rating

6000 m *

Weight

4.15 kg / OEM 2.5 kg

Weight in water

1.7 kg

Height

185 mm

Diameter

ø114 mm

* DVL1000 products delivered before March 2024 are depth rated to 4000m not 6000m. Please contact Nortek if you are unsure about the depth-rating of your instrument.

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

Bandwidth

25% centered at transmit frequency

Serial (either serial or ethernet)

Configurable RS232 or RS422, 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)

Pressure

0.1% FS /precision better than 0.002% of full scale per sample

Temperature

-4° to +40 °C ± 0.1 °C

DC input

12-48 V

Maximum continuous current

1.5 A

Average power

1.3 W*

  • Power based on 1 Hz sampling and altitude with greatest transmit pulse.

Standard models

POM and titanium housing

DVL1000 6000m General Arrangement (2024 onward)
DVL1000 6000m - OEM - General Arrangement (2024 onward)
DVL1000 4000m General Arrangement (pre 2024)

End User Declaration - Nortek DVL
Declaration of conformity

DVL1000, 6000m

4 beam head

Titanium housing, 6000m rated

16 GB SD card data logger

64 GB

Pressure sensor 0-10 m, 0,1%

Pressure sensor 0-20 m, 0,1%

Pressure sensor 0-30 m, 0,1%

Pressure sensor 0-50 m, 0,1%

Pressure sensor 0-100 m, 0,1%

Pressure sensor 0-200m, 0,1%

Pressure sensor 0-500m, 0,1%

Pressure sensor 0-1000m, 0,1% (DVL1000, 6000m only)

Pressure sensor 0-6000m, 0,1% (DVL1000, 6000m only)

Cable, 8 pin female ethernet AD2CP with RS485 trigger

Cable, 8 pin female serial AD2CP with RS485 trigger

Cable, 8 pin female ethernet AD2CP with TTL trigger

Cable, 8 pin female serial AD2CP with TTL trigger

Bottom track

Current profiles, 4 beams

Virtual COM port driver to allow Nortek's serial-to-USB converters to function.

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