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Signature100

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

General

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

Other specifications

Max. cable length [m]

100

Auxiliary Sensors

Pressure

Y

Doppler Current Profiler

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

Standard Sensors

Compass type

Solid State

Temperature: max. [°C]

40

Temperature: min [°C]

-1

Tilt: uncertainty [deg]

0.01

Application

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

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