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Signature55


 
General 
Product Name:Signature55
Product description:Signature55 is a 55/75 kHz dual frequency, true broadband instrument that employs AD2CP technology to extend the range of current profilers to as far as 1000 meters. Nortek built a rugged, robust system optimized for operational users, while also offering innovation in data investigation capabilities and accuracy to scientific researchers.
Year of last update:2015
Length [m]:
Width [m]:0.65
Height [m]:313
Weight in air [kg]:55
Weight in water [kg]:26
Min. operating power [V]:12
Max. operating power [V]:48
Max. operating depth [m]:1500
Max. battery lifetime [days]:180
True Bottom Tracking Capability:N
Max. speed of boat [km] :
Max. range to bottom [m]:
Doppler Current Profiler 
Center working frequency [kHz]:55 or 75
Max. typical profiling range [m]:1000
Number of beams:3
Nadir angle [deg]:20
Max. Number of cells per beam:200
Min. blanking distance [m]:2
Lost data at far boundary [%]:
Max. ping rate [Hz]:1
Min. vertical resolution [m]:
Min. cell size [m]:5
Max. cell size [m]:20
Cell overlap [%]:50
Max. velocity [m/s]:5
Speed dependent uncertainty: horizontal [%]:1
Speed independent uncertainty: horizontal [cm/s]:0.5
Speed dependent uncertainty: vertical [%]:
Speed independent uncertainty: vertical [cm/s]:
Surface reference capability:Y
Surface current measurement:
Compensation for sound speed:Y
Single ping rejection of outliers :Y
Uncertainty of single ping horizontal velocity for default cell size [cm/sec]:
Uncertainty of single ping vertical velocity for default cell size [cm/sec]:
Standard Sensors 
Temperature: min [°C]:-4
Temperature: max. [°C]:40
Temperature: uncertainty [°C]:0.1
Tilt: max. [deg]:
Tilt: uncertainty [deg]:0.2
Compass type :Magnetic
Deployment method 
Moving vessel:N
Bottom mount:Y
Inline string mooring:Y
Data Buoy:Y
Marine structures:Y
Auxiliary Sensors 
Conductivity:
Oxygen:
Turbidity:
Tides:
Waves:
Pressure:Y
Acoustic modem:
Relocation of transponder:
Wave direction:
Speed of sound:
Other specifications 
Real-time interfacing:real-time observing
Min. external power [Voltage]:15
Max. external power [Voltage]:48
Max. cable length [m]:
Baudrate [kbit/s]:
External battery container:Y
Data acquisition software and processing software:
Application 
Typical applications:platform or buoy, long range, renewable energy,
 


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