Dual Frequency
Water Profile ranges from 0.08m to 150m
Bottom Track ranges from 0.3m to 300m
Key Features:
Each of the frequencies can be independently controlled allowing for near simultaneous acquisition of high resolution, short range current profiles from the high frequency channels, and long range, lower resolution profiles for the low frequency channels. With the SeaWATCH DF and SeaPROFILER DF you truly have two ADCPs in one!
With this DF ADCP you do not need to forfeit performance or flexibility. All of the same core signal processing functions available in the single frequency ADCP model are available in the DF model. This includes broadband, narrowband and pulse-to-pulse signal processing as well as the ability to track the bottom and obtain earth-referenced velocity measurements.
Both the SeaPROFILER DF and SeaWATCH DF ADCPs are well-suited for a variety of coastal and offshore oceanographic applications – including meteorological and wave data acquisition, environmental management, coastal engineering site assessment, and oil/gas exploration and drilling. The systems are easily deployed on buoys, moorings or sea-floor structures.
The SeaPROFILER DF and SeaWATCH DF ADCPs are available in 300 kHz, 600 kHz, or 1200 kHz – you select which two frequencies you want
300kHz 3" Beams |
600kHz 3" Beams |
600kHz 2" Beams |
600kHz 1" Beams |
1200kHz 2" Beams |
|
---|---|---|---|---|---|
Water Profile: | |||||
Broadband |
100 m @ 4m Bin Size |
50 m @ 2m Bin Size |
45 m @ 2m Bin Size |
40 m @ 2m Bin Size |
20 m @ 1m Bin Size |
Narrowband |
150 m @ 4m Bin Size |
75 m @ 2m Bin Size |
70 m @ 2m Bin Size |
50 m @ 2m Bin Size |
30 m @ 1m Bin Size |
Minimum Blanking Distance | 32.0 cm | 16.0 cm | 16.0 cm | 16.0 cm | 8.0 cm |
Minimum Bin Size | 2.8 cm | 1.4 cm | 1.4 cm | 1.4 cm | 0.7 cm |
Maximum Number of Bins | 200 bins | 200 bins | 200 bins | 200 bins | 200 bins |
Velocity Resolution | 0.01 cm/s | 0.01 cm/s | 0.01 cm/s | 0.01 cm/s | 0.01 cm/s |
Long-Term Accuracy |
± 0.25% ± 2 mm/s |
± 0.25% ± 2 mm/s |
± 0.25% ± 2 mm/s |
± 0.50% ± 1.5 mm/s |
± 0.25% ± 2 mm/s |
BB Single Ping Precision |
3.5 cm/s @ 4m bin size |
3.5 cm/s @ 2m bin size |
3.5 cm/s @ 2m bin size |
3.5 cm/s @ 2m bin size |
3.5 cm/s @ 1m bin size |
NB Single Ping Precision |
20.0 cm/s @ 4m bin size |
20.0 cm/s @ 2m bin size |
20.0 cm/s @ 2m bin size |
20.0 cm/s @ 2m bin size |
20.0 cm/s @ 1m bin size |
Velocity Range | ±5.0 m/s (Default); ±20.0 m/s (Maximum) | ±5.0 m/s (Default); ±20.0 m/s (Maximum) | ±5.0 m/s (Default); ±20.0 m/s (Maximum) | ±10.0 m/s (Default); ±20.0 m/s (Maximum) | ±5.0 m/s (Default); ±20.0 m/s (Maximum) |
Amplitude Dynamic Range | 100 dB | 100 dB | 100 dB | 100 dB | 100 dB |
Amplitude Presicion | 0.001 dB | 0.001 dB | 0.001 dB | 0.001 dB | 0.001 dB |
Bottom Track: | |||||
Minimum Altitude | 0.5 m | 0.3 m | 0.3 m | 0.3 m | 0.3 m |
Maximum Altitude | 300 m | 130 m | 120 m | 70 m | 50m |
Long-Term Accuracy |
± 0.70% ± 2 mm/s |
± 0.25% ± 2 mm/s |
± 0.50% ± 2 mm/s |
± 0.50% ± 1.5 mm/s |
± 0.25% ± 2 mm/s |
Single Ping Precision |
0.6 cm/s @ 3 m/s |
0.5 cm/s @ 3 m/s |
0.5 cm/s @ 3 m/s |
1.5 cm/s @ 1.0 m/s |
0.4 cm/s @ 3 m/s |
Data: | |||||
Communcations | [RS-232 & RS-485], [RS-422], [Ethernet (UDP)] | ||||
Ping Rate | Up to 10 hz | Up to 10 hz | Up to 10 hz | Up to 10 hz | Up to 10 hz |
Internal Recording | 32 GB Micro SD Card | ||||
Data Formats | RTB, RTD, PD0, PD3, PD4, PD5, PD6, PD13, MATLAB, CSV, Python | ||||
Sensors: | |||||
Compass | Range: 0°-360°, Accuracy: 1° RMS, Resolution: 0.01° | ||||
Pitch/Roll | Range: Roll ±180° | Pitch ±90°, Accuracy: < 1° RMS, Resolution: 0.01° | ||||
Water Temp | Range: -5° - 70°C, Accuracy: ±0.15°C | ||||
Pressure | Range: Selectable, Accuracy: ±0.1% Range | ||||
System: | |||||
Transducer Size | 3 in | 3 in | 2 in | 1 in | 2 in |
Configurations | 4-Beam, 5-Beam, 7-Beam, 8-Beam | ||||
Beam Width | 2.80° | 1.42° | 2.16° | 3.50° | 1.01° |
Beam Angle | 20° | 20° | 20° | 20° | 20° |
Voltage Range | 12 - 36 Volt DC | ||||
Average Power | 23 W | 30 W | 30 W | 30 W | 23 W |
Temperature | -5° to 45° C (Operating), -30° to 60° C (Storage) | ||||
Depth Rating | 300m, 3000m, 4000m, 6000m | ||||
Material Options | Acetal(Plastic), Aluminum, Titanium | ||||
Specifications may be subject to change at any time in the future |
FlatFish AUV with Dual Frequency 300khz/1200khz
FlatFish is an autonomous underwater vehicle (AUV) for repeated inspections of oil & gas subsea structures whilst being submerged for extended periods of time.
LENG AUV with Dual Frequency 1200khz/1200khz Up/Down
The autonomous underwater vehicle (AUV) Leng was designed as long-distance exploration vehicle. Its shape was specifically designed to meet the requirements of the Europa-Explorer-Project: very small diameter (in order to fit into the ice drill) as well as a hydrodynamically optimized outer hull (in order to reduce energy consumption and enable long-range missions). The vehicle is equipped with a large number of different navigation sensors since localization quality and availability are of key importance – in the Europa-Explorer-scenario the vehicle has to return to its starting position (ice drill) even after having conducted long-distance missions.
St. Lawrence Global Obsevatory
St. Lawrence Global Obsevatory has a great website that allows the user to see live and historical data of all their sensors deployed around the St. Lawrences' ecosystem. The observatory incorporates our Rowe Technologies Inc. SeaWATCH ADCP our their buoys. Our ADCP reports at the water surface and at 6 meters depth the water velocity and direction.
More information can be found here
3 MB | RTI ADCP DVL USER GUIDE Rev AN.pdf |
0 MB | RTI Quick Start Guide - Rev C.pdf |
5 MB | RTI.Firmware.Updater.Installer.v.3.0.0.Full.exe |
0 MB | RTI.Firmware_0_2_143_Release.zip |
Note: Click on the heading text to expand or collapse panels to read the abtracts.
DOI: 10.23919/OCEANS.2015.7404442
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arXiv:1805.08011v1 [cs.RO] 21 May 2018
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ICRA 2016 Workshop on Marine Robot Localization and Navigation
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Sensors (Basel). 2017 Feb; 17(2): 415.
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Rio de Janeiro: UFRJ/COPPE, 2017.
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The need for continuous maintenance dredging has serious budgetary impacts for the Cochin Port Trust (COPT). Therefore Cochin Port Trust assigned Antea Group, IIC technologies and Stema Systems to collaborate on a study for the analysis of the siltation processes and to assess the feasibility to implement the nautical depth concept. The latter signifies to investigate the nature of the fluid mud seabed and determine to what extent vessels can sail through and manoeuvre in it.
Wodcon XXI Proceedings 2016.
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CEDA Dredging Days 2017, At Rotterdam
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NC State University Undergradute Research Symposium 2016.
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Science China Earth Science 61(7) · April 2018
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SOFTWARE PROJECT – Communication Systems Group, Prof. Dr. Burkhard Stiller 2016
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Maritime Security Center, A Department of Homeland Security Science and Technology Center of Excellence, 2017.
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