







CURRENT METER
Aquadopp 6000 m
High-performance full ocean depth, single-point current meter with titanium housing
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Overview
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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.
Highlights
- Full ocean-depth single-point current meter
- Titanium housing
- Diagnostics mode for mooring performance evaluation
Applications
- 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
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Water velocity measurements
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 -
Echo intensity
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° -
HR option
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 -
Z-Cell option
Cell zero acoustic frequency N/A Maximum profiling range N/A Number of beams N/A -
Sensors
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 -
Analog inputs
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 -
Data recording
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 -
Real-time clock
Accuracy ±1 min/year Backup in absence of power 4 weeks -
Data communications
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 -
Connectors
Bulkhead MCBH-8-FS titanium Cable PMCIL-8-MP on 10 m polyurethane cable -
Software
Functions Deployment planning, instrument configuration,data retrieval and conversion (for Windows®) -
Power
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 -
Batteries
Battery capacity 50 Wh (alkaline or Li-ion), 165 Wh (lithium), Single or dual New battery voltage 13.5 V DC (alkaline) -
Environmental
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 -
Materials
Standard model Titanium and POM -
Dimensions
Maximum diameter 84 mm Maximum length ~500 mm (single battery), +110 mm (double battery) depending on head configuration -
Weight
Weight in air 7.6 kg Weight in water 4.8 kg -
Options
1) Alkaline, lithium or Li-ion external batteries, 2) Inquire for different head configurations, 3) Inductive modem
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Technical drawings
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Approvals
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Main product
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Aquadopp, 6000 m depth rating
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Probe type / Head
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Symmetrical head (A6L)
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Side-looking head, vertical mounting (6KL)
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Side-looking head, horizontal mounting (6HL)
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Housing
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6000-m depth rating with standard housing for two batteries or one 100 Wh package
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6000-m depth rating with short housing for one battery
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Memory
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9 MB of memory on motherboard (M8)
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4 GB SD card data logger
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Pressure sensors
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Pressure sensor 0-6000 m (6000-m system)
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Cables
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10m RS232 polyurethane cable with 8-pin inline connector and USB converter
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20m RS232 polyurethane cable with 8-pin inline connector and USB converter
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30m RS232 polyurethane cable with 8-pin inline connector and USB converter
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40m RS232 polyurethane cable with 8-pin inline connector and USB converter
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50m RS232 polyurethane cable with 8-pin inline connector and USB converter
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10m RS422 polyurethane cable with 8-pin inline connector and USB converter
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20m RS422 polyurethane cable with 8-pin inline connector and USB converter
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30m RS422 polyurethane cable with 8-pin inline connector and USB converter
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40m RS422 polyurethane cable with 8-pin inline connector and USB converter
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50m RS422 polyurethane cable with 8-pin inline connector and USB converter
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Other
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Compass and tilt sensor
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Without compass and tilt sensor
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