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Aquadopp 300 m

CURRENT METER

Aquadopp 300 m

Highly versatile single-point current meter with optional PUV wave measurements

Technical specification (PDF)
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Highlights

  • Single-point current meter
  • Perfect for mooring lines
  • PUV-based directional wave measurements

Overview

  • The Aquadopp 300 m is a compact, accurate and affordable single-point current meter for applications where a current profile is not needed. Designed for use in a number of deployment scenarios from mooring lines to bottom-mounted structures, it comes with PUV-based directional wave measurement capability as standard, making it the best value in the industry.

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

Applications

  • Attached to mooring lines
  • In conjunction with riser monitoring systems
  • Measurements of unaffected currents from physical structures
  • Shallow-water wave and current measurements
  • Alternative to mechanical current meters with errors due to fouling
  • Near-surface current measurements from surface buoys
  • Studies of tidal currents
  • Suitable for wave buoys

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    • Toggle all

    • Water velocity measurements

      Maximum profiling range N/A
      Cell size 0.75 m
      Minimum blanking 0.35 m
      Maximum number of cells 1
      Measurement cell position 0.35-5.0 m (user-selectable)
      Default position (along beam) 0.35-1.85 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, 4 Hz on request
      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 300 m
      Accuracy/precision 0.5% FS / 0.005% of full scale

    • Analog inputs

      No. of channels 2
      Supply voltage to analog outputdevices 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 40 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 300-115,200 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 withbinary 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 0.01 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 721-3-2
      EMC approval IEC 61000
      Depth rating 300 m

    • Materials

      Standard model POM housing

    • Dimensions

      Maximum diameter 75 mm
      Maximum length ~500 mm (single battery) or +110 mm (double battery) depending on head configuration

    • Weight

      Weight in air 2.3 kg
      Weight in water Neutral

    • Options

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

    • Toggle all

    • Main product

      01

      Aquadopp, 300 m depth rating

    • Probe type / Head

      01

      Aquadopp mooring type transducer head (AQD)

      02

      Asymmetric sensor head (AQA)

      03

      Symmetric sensor head (AQS)

      04

      Hockey Puck sensor head (APK)

      05

      3-beam side-looking puck head (PCK)

      06

      Inductive modem head (ALD)

      07

      Custom transducer design

    • Housing

      01

      Standard housing for two batteries or one 100Wh package

      02

      Short housing for one battery

      03

      Extra short housing for no batteries

    • Memory

      01

      9 MB of memory on motherboard (M8)

      02

      4 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

    • 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 converte

      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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