AWAC 2 - 400 kHz
Real-time current profiles and directional waves for shallow water
The AWAC 400 kHz ADCP has become the standard reference technology in submerged wave-measurement applications. Thousands of these ADCPs have been deployed to capture the full wave spectrum, in combination with current profiles. With a 100 m maximum range for wave measurements and 1.5 Hz sampling of the surface elevation, the AWAC 400 kHz is the optimal tool for deeper-water current and wave measurements. The AWAC 2 design offers future-proof electronics, improved performance and easier deployment and maintenance.
Description
Highlights
Real-time current profiles and waves to 100 m range
Acoustic surface tracking (AST) with vertical beam
Can be used both with fixed frames and subsurface buoys
Uses
Online measurements of currents and waves at long ranges
Site studies for offshore wind platforms
Measurement campaigns where the full wave spectrum is needed
Monitoring of transient waves for channel wall protection
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Specifications
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Physical Properties
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Width [cm]
30.6
Length [cm]
20.3
Operating temperature: min. [°C]
-4
Operating temperature: max. [°C]
40
Housing material
POM with titanium fasteners
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General
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Area of Application
Real-time current profiles and directional waves with up to 100 m range
Field of Use
Online measurements of currents and waves, Design data for planning of new coastal structures, site studies for offshore wind platforms
Direction wave or non-directional
Directional
Year of initial development
2001
Year of latest version
2024
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Operating properties
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Sampling rate
1Hz or 2Hz
Max. depth rating [m]
300
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Power supply and communication
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Power supply (internal/external with specs)
DC: input 12-48V. DC maximum peak current: 1.5 A. Avg. power consumption: 015mW. sleep current: < 100 μA
Output interface {eg. rs232}
Ethernet, RS-232 or RS-422
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Hardware/software requirements
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Dedicated software
Y
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Compass sensor
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Range
0 - 360°
Resolution
2° for tilt <30° / 0.01°
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Current sensor
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Range
±10 m/s horizontal, ±20 m/s upon request
Accuracy
±1% of measured value ±0.5 cm/s
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Temperature sensor
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Range
-4 to +40 °C
Accuracy
0.1 °C
Resolution
0.01°C
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Pressure sensor
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Range
0-100m (inquire for options)
Accuracy
0.1% FS / Better than 0.002% of full scale
Resolution
0.1% FS / Better than 0.002% of full scale