Nortek DVL 500k Hz 300 side
Nortek DVL 500k Hz 300 side2
Nortek DVL 500k Hz 300 front
Nortek DVL 500k Hz 300 side
Nortek DVL 500k Hz 300 side2
Nortek DVL 500k Hz 300 front

Navigation

DVL 500

300 m

Bottom-track from 0.1 to 200 m range; 300 m operational depth

  • Bottom track from 0.1-200 m range
  • Per-ping and per-beam data quality estimates
  • 300 m operational depth

Overview

The DVL 500 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 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.

Download our guide to Nortek DVLs here.

  • Currents
  • Bottom track

Highlights

  • Bottom track from 0.1-200 m range
  • Per-ping and per-beam data quality estimates
  • 300 m operational depth

Usage

  • Precision navigation for highly accurate subsea survey vehicles
  • Integration on AUVs with long missions or high accuracy requirements
  • Navigation for work-class ROVs

Integration

This high-performance, 300m 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. As with all of Nortek's DVLs, the DVL 500 is compatible with top control software including EIVA, Seebyte and Greensea.

Reliability

Tested in demanding conditions in the Oslo fjord, the DVL 500 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 DVL 500 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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Bottom velocity

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 (export-controlled), >1% (license-free)

Minimum altitude

0.1 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

*Dependent on measurement conditions

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

Weight

3.5 kg

Weight in water

0.5 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

Bandwidth

25% centered at transmit frequency

Interfaces

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)

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

3.0 W*

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

Materials

Standard models

POM housing

Support resources

DVL

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