FlowQuest 1000
FlowQuest 1000, manufactured by LinkQuest Inc., is a state-of-the-art Acoustic Doppler Current Profiler with an operating frequency of 1000kHz. Designed for diverse underwater applications, it offers an impressive range of 40 meters and a high-accuracy rate of up to 0.25% +/- 2.5 mm/s.
Description
Specifications
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General
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Year of last update
2005
Length [m]
0.38
Width [m]
0.23
Height [m]
0.23
Weight in air [kg]
16
Weight in water [kg]
7
Min. operating power [V]
12
Max. operating power [V]
24
Max. operating depth [m]
6000
True Bottom Tracking Capability
Y
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Other specifications
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Real-time interfacing
RS232; RS422
Min. external power [Voltage]
12
Max. external power [Voltage]
24
External battery container
Y
Data acquisition software and processing software
FlowQuest Studio Windows Software
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Auxiliary Sensors
-
Conductivity
Y
Oxygen
Y
Turbidity
Y
Tides
Y
Waves
Y
Pressure
Y
Acoustic modem
Y
Relocation of transponder
Y
Wave direction
Y
Speed of sound
Y
-
Deployment method
-
Moving vessel
Y
Bottom mount
Y
Inline string mooring
Y
Data Buoy
Y
Marine structures
Y
-
Doppler Current Profiler
-
Center working frequency [kHz]
1000
Max. typical profiling range [m]
40
Number of beams
4
Nadir angle [deg]
22
Max. Number of cells per beam
170
Min. blanking distance [m]
0.4
Max. ping rate [Hz]
5
Min. cell size [m]
0.25
Max. cell size [m]
2
Max. velocity [m/s]
10
Speed dependent uncertainty: horizontal [%]
0.25
Speed independent uncertainty: horizontal [cm/s]
0.25
Speed dependent uncertainty: vertical [%]
0.25
Speed independent uncertainty: vertical [cm/s]
0.25
Surface reference capability
Y
Surface current measurement
Y
Compensation for sound speed
Y
Single ping rejection of outliers
Y
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Standard Sensors
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Temperature: min [Ā°C]
-5
Temperature: max. [Ā°C]
45
Temperature: uncertainty [Ā°C]
0.1
Tilt: max. [deg]
15
Tilt: uncertainty [deg]
0.5
Compass type
Magnetic