ADCPs - Acoustic Doppler Current Profilers

Signature1000

Signature1000 and Signature500 are advanced five-beam current profiling systems.

Signature1000 and Signature500 are advanced five-beam current profiling systems. Built on the advanced AD2CP platform, Signature1000 and Signature500 are designed for unprecedented performance in high energy turbulent environments, while also giving users the freedom to employ two measurement schemes at one time. Altimeter data provides the user with a high-resolution distance measurement to the surface or the bottom.

Nortek

Rud, NO

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Description

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Specifications

General: Year of last update

2015

Width [m]

0.22

Height [m]

0.274

Weight in air [kg]

8.2

Weight in water [kg]

1.45

Min. operating power [V]

12

Max. operating power [V]

48

Max. operating depth [m]

300

Max. battery lifetime [days]

1825

Auxiliary Sensors: Tides

Y

Waves

Y

Pressure

Y

Wave direction

Y

Speed of sound

Y

Deployment method: Bottom mount

Y

Inline string mooring

Y

Data Buoy

Y

Marine structures

Y

Doppler Current Profiler: Center working frequency [kHz]

500-1000

Max. typical profiling range [m]

60

Number of beams

5

Nadir angle [deg]

25

Max. Number of cells per beam

200

Min. blanking distance [m]

0.1

Max. ping rate [Hz]

16

Min. vertical resolution [m]

0.2

Min. cell size [m]

0.2

Max. cell size [m]

4

Max. velocity [m/s]

5

Speed dependent uncertainty: horizontal [%]

1

Speed independent uncertainty: horizontal [cm/s]

0.5

Compensation for sound speed

Y

Standard Sensors: Temperature: min [°C]

-4

Temperature: max. [°C]

40

Temperature: uncertainty [°C]

0.1

Tilt: max. [deg]

360

Tilt: uncertainty [deg]

2

Compass type

Solid State