Nortek DVL 500 schilling new web
Seanet connector
Rory Torstein Schilling DVL
Nortek DVL 500 schilling new web
Seanet connector
Rory Torstein Schilling DVL

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DVL500 Compact, Schilling

6000 m

Tracking du fond de 0.3 à 200 m. Opérationnel jusqu'à 6000 m

Aperçu

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.

  • Currents
  • Bottom track

Points forts

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

Utilisation

  • Highly accurate subsea surveys
  • AUVs with long missions or high accuracy requirements
  • Easy integration with leading inertial navigation systems (INS)

Integration

Equipped with a Seanet connector, this version of the DVL500 Compact is designed for seamless integration with TechnipFMC Schilling Robotics ROVs.

Reliability

Tested in demanding conditions in the Oslo fjord, the DVL500 Compact 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 ensures performance.

Results

Effortless setup with dropdown menu initialization significantly reduces integration time, getting jobs up and running faster.

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

Minimum altitude

0.3 m

Maximum altitude

175 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

Vibration

IEC60068-2-64

EMC approval

IEC/EN 61000-6-2, 61000-6-3

Mechanical

Depth rating

6000 m

Weight

5.1 kg

Weight in water

3.1 kg

Height

212 mm

Diameter

ø160 mm with connector

Hardware

Frequency of operation

500 kHz

Beam width

5.8°

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. 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

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

Materials

POM and titanium housing

Support resources

FAQs

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