Aquadopp6000 4
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Aquadopp6000 4
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Ocean currents

Aquadopp 6000 m

High-performance full ocean depth, single-point current meter with titanium housing

Overview

With all the features and capabilities of the standard Aquadopp, the deepwater Aquadopp 6000 m current meter has been used and proven by oceanographers around the world for almost 20 years. Thanks to innovative data diagnostic features for challenging environments, it provides exceptionally high-quality 3D currents in a form factor that is easy to install in any type of mooring line configuration, or simply attached to a bottom or surface platform.

Raw magnetometer data can be stored for post calibration of compass when used without the inductive modem option.

  • Currents

Highlights

  • Full ocean-depth single-point current meter
  • Titanium housing
  • Diagnostics mode for mooring performance evaluation

Usage

  • Studies of deep-water currents
  • Studies of tidal currents
  • Attached to mooring lines
  • Measurements of unaffected currents from physical structures
  • In conjunction with riser monitoring systems
  • Alternative to conventional current meters with errors due to fouling
  • Combination of currents and high-accuracy CTD data
  • Near-bed current measurements from landers
  • Deep ocean mining support

Setup

Nortek deployment software allows users to customize their 600m Aquadopp deployment in a straightforward manner, providing guidance on deployment schemes, battery power and required internal memory.

Deployment

The 6000m Aquadopp is the ideal current meter for deep-water moorings with a designated mooring-specific head design available. The instrument is capable of very long-term, unsupported deployments thanks to its low power consumption, internal data collection and ability to run entirely on internal battery power.

Data

Nortek postprocessing software and/or display software is available for review, visualization, and processing of data, after deployment or in real time.

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Maximum profiling range N/A
Cell size 0.75 m
Minimum blanking 0.50 m
Maximum number of cells 1
Measurement cell position 0.5-5.0 m (user-selectable)
Default position (along beam) 0.50-2.0 m
Velocity range ±5 m/s
Accuracy ±1% of measured value ±0.5 cm/s
Velocity precision Consult instrument software
Maximum sampling rate(output) 1 Hz
Internal sampling rate 23 Hz

Sampling Same as velocity
Resolution 0.45 dB
Dynamic range 90 dB
Transducer acoustic frequency 2 MHz
Number of beams 3
Beam width 3.4°

Maximum profiling range N/A
Cell size N/A
Minimum blanking N/A
Maximum number of cells N/A
Range/Velocity limitations N/A
Accuracy N/A
Max. sampling rate N/A

Cell zero acoustic frequency N/A
Maximum profiling range N/A
Number of beams N/A

Temperature: Thermistor embedded in head
Temp. range -4 to +40 °C
Temp. accuracy/resolution 0.1 °C/0.01 °C
Temp. time response 10 min
Compass: Magnetometer
Accuracy/resolution 2°/0.1° for tilt < 20°
Tilt: Liquid level
Accuracy/resolution 0.2°/0.1°
Maximum tilt 30°
Up or Down Automatic detect
Pressure: Piezoresistive
Range 6000 m
Accuracy/precision 0.5% FS / 0.005% of full scale

No. of channels 2
Supply voltage to analog output devices Three options selectable through firmwarecommands: 1) Battery voltage/500 mA, 2) +5 V/250 mA, 3) +12 V/100 mA
Voltage input 0-5 V
Resolution 16 bit A/D

Capacity 9 MB, can add 4/16 GB
Data record 40 bytes
Diagnostics record 40 bytes
Wave record N/A
Mode Stop when full (default) or wrap mode

Accuracy ±1 min/year
Backup in absence of power 4 weeks

I/O RS-232 or RS-422
Communication baud rate 300-115200 Bd
Recorder download baud rate 600/1200 kBd for both RS-232 and RS-422
User control Handled via "Aquadopp" software, ActiveX®function calls, or direct commands with binaryor ASCII data output

Bulkhead MCBH-8-FS titanium
Cable PMCIL-8-MP on 10 m polyurethane cable

Functions Deployment planning, instrument configuration,data retrieval and conversion (for Windows®)

DC input 9-15 V DC
Maximum peak current 3 A
Avg. power consumption 0.015 W
Sleep current < 100 μA
Transmit power 20 W

Battery capacity 50 Wh (alkaline or Li-ion), 165 Wh (lithium), Single or dual
New battery voltage 13.5 V DC (alkaline)

Operating temperature -5 to +40 °C
Storage temperature -20 to +60 °C
Shock and vibration IEC 721-3-4
EMC approval IEC 61000
Depth rating 6000 m

Standard model Titanium and POM

Maximum diameter 84 mm
Maximum length ~500 mm (single battery), +110 mm (double battery) depending on head configuration

Weight in air 7.6 kg
Weight in water 4.8 kg

1) Alkaline, lithium or Li-ion external batteries, 2) Inquire for different head configurations, 3) Inductive modem

A6L General Arrangement - NGA011-005 Rev.-
6KL & 6HL General Arrangement - NGA011-006 Rev.-
Paradopp 6000m 4-battery canister, GA - NGA011-024 Rev.-
A6P General Arrangement - NGA011-026 Rev.-

Declaration of conformity

Aquadopp, 6000 m depth rating

Symmetrical head (A6L)

Side-looking head, vertical mounting (6KL)

Side-looking head, horizontal mounting (6HL)

6000-m depth rating with standard housing for two batteries or one 100 Wh package

6000-m depth rating with short housing for one battery

9 MB of memory on motherboard (M8)

4 GB SD card data logger

Pressure sensor 0-6000 m (6000-m system)

10m RS232 polyurethane cable with 8-pin inline connector and USB converter

20m RS232 polyurethane cable with 8-pin inline connector and USB converter

30m RS232 polyurethane cable with 8-pin inline connector and USB converter

40m RS232 polyurethane cable with 8-pin inline connector and USB converter

50m RS232 polyurethane cable with 8-pin inline connector and USB converter

10m RS422 polyurethane cable with 8-pin inline connector and USB converter

20m RS422 polyurethane cable with 8-pin inline connector and USB converter

30m RS422 polyurethane cable with 8-pin inline connector and USB converter

40m RS422 polyurethane cable with 8-pin inline connector and USB converter

50m RS422 polyurethane cable with 8-pin inline connector and USB converter

Compass and tilt sensor

Without compass and tilt sensor

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