Nortek DVL 333k Hz 300 side
Nortek DVL 333k Hz 300 front
Nortek DVL 333k Hz 300 side2
Nortek DVL 333k Hz 300 side
Nortek DVL 333k Hz 300 front
Nortek DVL 333k Hz 300 side2

Navigation

DVL333 - 300 m

Bottom-track from 0.3 to 375 m range; 300 m operational depth

  • Bottom track from 0.3-375 m range
  • Per-ping and per-beam data quality estimates
  • No change in form factor compared to higher-frequency options

Overview

The DVL333 is a long-range Doppler Velocity Log that benefits from increased range with no compromise in performance or form factor. It allows vehicles to maintain bottom lock in a greater range of environments, increasing mission duration on long-range subsea and surface vehicles. This 333 kHz DVL is used by innovators in the uncrewed vehicle sector looking to expand vehicle capabilities into new environments.

  • Currents
  • Bottom track

Highlights

  • Bottom track from 0.3-375 m range
  • Per-ping and per-beam data quality estimates
  • No change in form factor compared to higher-frequency options

Usage

  • Large UUVs / AUVs operating at high altitudes
  • USVs and crewed surface vessels requiring redundant navigation input
  • Increase range of vehicles with existing DVL500 without vehicle redesign

Integration

With the longest range of the Nortek DVL family, this 300m rated survey-grade DVL is equipped for easy integration with leading INS systems to create a robust, reliable navigation system with maximized range. As with all of Nortek's DVLs, the DVL333 is compatible with top control software including EIVA, Seebyte and Greensea.

Reliability

Tested in demanding conditions in the Oslo fjord, the DVL333 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 DVL333 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 @ 3 m/s

0.5 cm/s

Long-term accuracy (1)

±0.1% / ±0.1 cm/s

Minimum altitude

0.3 m

Maximum altitude

375 m (2)

Velocity resolution

Better than 0.01 mm/s

Maximum ping rate (3)

8 Hz

(1) Following standard calibration procedures

(2) Bottom-track distance dependent upon bottom type

(3) Inquire for more options

Minimum accuracy

0.3% of measured value ± 0.3 cm/s

Minimum range

4.0 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

100 m

Blanking

0.5 m

Cell size

0.5-4.0 m

Max # cells

140

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

300 m

Weight

3.5 kg

Weight in water

0.5 kg

Height

203 mm

Diameter

ø186 mm

Frequency of operation

333 kHz

Beam width

4.3°

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 RS-232 or RS-422 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. PD0, PD4, PD5, PD6

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

4.0 W (4)

(4) Power based on 1 Hz sampling and altitude with greatest transmit pulse

Standard models

POM housing

General Arrangement drawing

End User Declaration - Nortek DVL
Declaration of conformity

DVL333 - 300m

4 beam head

Plastic housing, 300m

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 0-300m, 0,1%

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

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