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CURRENT PROFILER

Aquadopp Profiler 1 MHz

Small and compact, with up to 25 m current profiling range; option for PUV wave measurements

Technical specification (PDF)
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Highlights

  • Up to 25 m current profiling range
  • Optional right-angle head
  • PUV wave measurements

Overview

  • 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.

Applications

  • 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
  • Studies of deep-water currents
  • Studies of tidal currents
  • Measurements of combinations of waves and currents
  • Suitable for wave buoys
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The Doppler Effect

    • Toggle all

    • Water velocity measurements

      Maximum profiling range 12-25 m
      Cell size 0.3-4 m
      Minimum blanking 0.20 m
      Maximum number of cells 128
      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 7 Hz

    • Echo intensity (along slanted beams)

      Sampling Same as velocity
      Resolution 0.45 dB
      Dynamic range 90 dB
      Transducer acoustic frequency 1 MHz
      Number of beams 3
      Beam width 3.4°

    • HR option

      Maximum profiling range 6 m
      Cell size 20-300 mm
      Minimum blanking 0.2 m
      Maximum number of cells 128
      Range/Velocity limitations Product of profiling range and velocity should not exceed 1.0 m2/s
      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 analog output 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 (Impulse) 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 0.05 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 721-3-7
      EMC approval IEC 61000
      Depth rating 300 m (3000 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

    • Toggle all

    • Technical drawings

      SHP 1MHz General Arrangement - NGA011-015 Rev.-

      Download this

      SVP 1MHz General Arrangement - NGA011-017 Rev.-

      Download this

    • Approvals

      Declaration of conformity

      Download this

    • Toggle all

    • Main product

      01

      Aquadopp Profiler 1MHz

      02

      3000m Aquadopp Profiler 1MHz

    • Probe type / Head

      01

      1 MHz Standard head - AQP

      02

      1 MHz Right-angle head - ASP

      03

      1 MHz 3000m Aquadopp Profiler Head A3P

    • Housing

      01

      Standard housing for two batteries or one 100Wh package

      02

      Short housing for one battery

      03

      Extra short housing for no batteries

      04

      3000-m depth rating with standard housing for two batteries or one 100 Wh package (1MHz 3000m Aquadopp only)

      05

      3000-m depth rating with short housing for one battery (1MHz 3000m Aquadopp only)

    • Memory

      01

      9 MB of memory on motherboard (M8)

      02

      4 GB SD card data logger

      03

      16 GB SD card data logger

    • Pressure sensors

      01

      Pressure sensor, 0-10 m

      02

      Pressure sensor, 0-20 m

      03

      Pressure sensor, 0-30 m

      04

      Pressure sensor, 0-50 m

      05

      Pressure sensor, 0-100 m

      06

      Pressure sensor, 0-200m

      07

      Pressure sensor 0-3000 m (1MHz 3000m Aquadopp only)

    • Cables

      01

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

      02

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

      03

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

      04

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

      05

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

      06

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

      07

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

      08

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

      09

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

      010

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

    • Other

      01

      Compass and tilt sensor

      02

      Without compass and tilt sensor

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