







CURRENT PROFILER
Aquadopp Profiler 2 MHz
Small and compact, short-range current profiling; option for PUV wave measurements
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Overview
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The Aquadopp Profiler is a highly versatile Acoustic Doppler Current Profiler (ADCP) available in four profiling range options, from < 1 m to > 85 m. Designed for simple yet powerful operation, this current profiler is packed with features used by engineers and researchers to enable accurate and effective hydrodynamic data collection in a variety of environmental conditions.
Highlights
- Up to 10 m current profiling range
- Optional right-angle head
- PUV-based directional wave measurements
Applications
- Near-bed current profiles with fine vertical resolution
- Mean flow measurements with high focus on ease of use and simplicity
- Measurements in flow regimes with strong variations in flow speeds
- Projects with needs for both high-resolution and normal-range current measurements
- Measurements of combinations of waves and currents
- Studies of deep-water currents
- Studies of tidal currents
- Mounted on surface buoys
- Suitable for wave buoys
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Water velocity measurements
Maximum profiling range 4-10 m Cell size 0.1-2 m Minimum blanking 0.05 m Maximum number of cells 96 Measurement cell position N/A Default position (along beam) N/A Velocity range ±10 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 (along slanted beams)
Sampling Same as velocity Resolution 0.45 dB Dynamic range 90 dB Transducer acoustic frequency 2 MHz Number of beams 3 Beam width 1.7° -
HR option
Maximum profiling range 3 m Cell size 7-150 mm Minimum blanking 0.03 m Maximum number of cells 128 Range/Velocity limitations Product of profiling range and velocity should not exceed 0.5 m2/s (2 MHz system) Accuracy ±1% of measured value ±0.5 cm/s Max. sampling rate 1 Hz (continuous mode, )8 Hz (burst mode)” -
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 0-100 m (inquire for options) Accuracy/precision 0.5% FS / 0.005% of full scale -
Analog inputs
No. of channels 2 Supply voltage to analogoutput devices Three options selectable through firmware commands: 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 9*Ncells + 32 bytes Diagnostics record N/A Wave record Nsamples * 24 + 60 bytes 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 binary or ASCII data output -
Connectors
Bulkhead MCBH-8-FS 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 0.03 W Sleep current < 100 μA Transmit power 0.3-20 W, 3 adjustable levels -
Batteries
Battery capacity 1) 50 Wh (alkaline or Li-ion), 2) 165 Wh (lithium), 3) 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 60068-1/IEC60068-2-27/IEC60068-2-64 EMC approval IEC 61000 Depth rating 300 m, (3000 m and 6000 m option) -
Materials
Standard model POM and polyurethane plastics with titanium fasteners -
Dimensions
Maximum diameter 75 mm Maximum length ~550 mm (single battery), +110 mm (double battery) depending on head configuration -
Weight
Weight in air 2.2 kg Weight in water 0.2 kg -
Options
1) Alkaline, lithium or Li-ion external batteries, 2) Inquire for different head configurations
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Technical drawings
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Approvals
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Main product
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Aquadopp Profiler 2MHz
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3000m Aquadopp Profiler 2MHz
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6000m Aquadopp Profiler 2MHz
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Probe type / Head
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2 MHz Standard head - AQP
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2 MHz Right-angle head - ASP
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2MHz Deepwater Standard head - A3P
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2MHz Deepwater Standard head - A6P
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2MHz 3000m Right-angle head 3SP
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Housing
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Standard housing for two batteries or one 100Wh package
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Short housing for one battery
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Extra short housing for no batteries
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3000-m depth rating with standard housing for two batteries or one 100 Wh package
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3000-m depth rating with short housing for one battery
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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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16 GB SD card data logger
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Pressure sensors
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Pressure sensor, 0-10 m
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Pressure sensor, 0-20 m
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Pressure sensor, 0-30 m
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Pressure sensor, 0-50 m
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Pressure sensor, 0-100 m
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Pressure sensor, 0-200m
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Pressure sensor 0-3000 m (3000m Aquadopp Profiler 2MHz only)
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Pressure sensor 0-6000 m (6000m Aquadopp Profiler 2MHz only)
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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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