Signature100
Long-range current profiler designed for combined current profile and biomass measurements
The Signature100 combines a four-beam current profiler operating at 100 kHz with an optional scientific echosounder.
Description
Both the current profiler and the biomass measurements have an effective range of 300-400 m providing unprecedented insight into the dynamics of zooplankton, krill or even schools of fish. Likewise, acoustic tracer material can give new insight into small-scale physical processes.
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Specifications
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General
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Housing Material
POM with titanium fasteners. Titanium/POM transducer cups
Length [m]
0.765
Max. operating depth [m]
1500
Weight in air [kg]
37.5
Weight in water [kg]
13
Width [m]
0.46
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Other specifications
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Max. cable length [m]
100
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Auxiliary Sensors
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Pressure
Y
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Doppler Current Profiler
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Center working frequency [kHz]
100
Max. cell size [m]
15
Max. Number of cells per beam
200
Max. ping rate [Hz]
1
Max. typical profiling range [m]
400
Min. blanking distance [m]
2
Min. cell size [m]
3
Number of beams
5
Minimum accuracy
1% of measured value ± 0.5 cm/s
Maximum sampling rate for Water velocity measurements
1 Hz (1/2 Hz at max output power)
Echo intensity Sampling
Same as velocity
Echo intensity Resolution
0.5 dB
Echo intensity Dynamic range
70 dB
Echo intensity No. of beams
4 slanted at 20°, optional vertical beam for echosounder
Echo intensity Beam width
6.1° (slanted)
Velocity resolution of Water velocity measurements
0.1 cm/s
Pressure
Piezoresistive (sampled at meas. rate)
Standard range
0–1500 m (inquire for options)
Accuracy/precision
0.1% FS / Better than 0.002% of full scale
Compass and tilt
Compass- Solid-state magnetometer (Max 1 Hz sample rate); Tilt- Solid-state accelerometer (Max 1 Hz sample rate)
Data recording
16 GB, 64 GB or 128 GB
Data cable
Ethernet, RS232, RS422
Storage temperature
-20 to +60 °C
Shock and vibration
IEC60068-2-64
EMC approval
IEC/EN 61000-6-2, 61000-6-3
Depth rating
1500 m
Connectors
MCBH6F (Ethernet), MCBH8F (serial), MCBH2F-G2 (pwr), optional Souriau M-series metal connector for online use (14M)
Material
POM with titanium fasteners. Titanium/POM transducer cups
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Standard Sensors
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Compass type
Solid State
Temperature: max. [°C]
40
Temperature: min [°C]
-1
Tilt: uncertainty [deg]
0.01
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Application
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Typical applications
Detection of krill or plankton in the water column with scientific echosounder; Upwelling and downwelling studies; Suitable for buoy mounting with internal AHRS