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CURRENT PROFILER

Name: Current profiler I Signature100
SKU: signature100
Price: 1.00 USD
Availability: InStock

Signature100

Long-range current profiler designed for combined current profile and biomass measurements

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Technical specification (PDF)

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Overview

The Signature100 combines a four-beam current profiler operating at 100 kHz with an optional scientific echosounder.

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.

Highlights

300–400 m current profiling range
Optional center beam with 70–120 kHz echosounder

Applications

Detection of krill in the water column
Cost-effective current profile measurements at mid-range
Plankton migration studies
Upwelling and downwelling studies
Internal waves
Suitable for buoy mounting with internal AHRS

Technical specification

Toggle all

Water velocity measurements

Maximum profiling range	300-400 m*
Cell size	3–15 m
Minimum blanking	TBA
Maximum number of cells	200
Velocity range (along beam)	User-selectable 2.5 or 5.0 m/s
Minimum accuracy	1% of measured value ± 0.5 cm/s
Velocity precision	Broadband processing, consult instrument software
Velocity resolution	0.1 cm/s
Max sampling rate	1 Hz (1/2 Hz at max output power)
	*Maximum range depends on acoustic scattering conditions.

HR option (on 5th beam only)

Velocity range	N/A
Cell size	N/A
Profiling range	N/A
Range velocity limitations	N/A

AD2CP Measurement modes*

Single	Average
Concurrent	Average and echosounder
Alternate	N/A
	* US Patent 8223588

Echo Intensity (along slanted beams)

Sampling	Same as velocity
Resolution/dynamic range	0.5 dB/70 dB
Transducer acoustic frequency	100 kHz
Number of beams	4 slanted at 20°, optional vertical beam for echosounder
Beam width	6.1° (slanted)

Echosounder option

Transducer acoustic frequency	70–120 kHz
Transducer beam width	15° @ 70 kHz, 8.7° @ 120 kHz
Resolution	0.375–4 m
Number of bins	1800
Transmit pulse length	0.5–6 ms
Transmit pulse	Monochromatic 70 kHz, 90 kHz and 120 kHz or frequency chirp (90 kHz, 50% BW)
Transmit power	1.2–120 W, adjustable
Chirp signal processing	Pulse compression or binned frequency response
Raw complex data storage	Configurable rate
Resolution/dynamic range	0.01 dB / 130 dB
Linearity	TBA

Wave measurement option

AST frequency	N/A
AST max distance	N/A
Maximum wave measurement depth	N/A
Height range	N/A
Accuracy/resolution (Hs)	N/A
Accuracy/resolution (Dir)	N/A
Period range	N/A
Cut-off period (Hs)	N/A
Cut-off period (dir)	N/A
Sampling rate (velocity and AST)	N/A

Ice measurement option

Parameters N/A

Sensors

Temperature	Thermistor in head (sampled at meas. rate)
Temp. range	-4 to +40 °C
Temp. accuracy/resolution	0.1 °C/0.01°C
Temp. time response	2 min
Compass	Solid-state magnetometer (Max 1 Hz sample rate)
Accuracy/resolution	2° for tilt < 30°/0.01°
Tilt	Solid-state accelerometer (Max 1 Hz sample rate)
Accuracy/resolution	0.2° for tilt < 30°/0.01°
Maximum tilt	Full 3D
Up or down	Automatic detect
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

AHRS option

Accelerometer dynamic range	± 2 g
Gyro dynamic range	± 250°/sec
Magnetometer dynamic range	± 1.3 Gauss
Pitch and roll range/resolution	± 90° (pitch) ± 180° (roll) / 0.01°
Pitch and roll accuracy	± 2° (dynamic)*, ± 0.5° (static, ±30°)
Heading range/resolution	360°, all axis / 0.01°
Heading accuracy	± 3° (dynamic)2), ± 2° (static, tilt < 20°)
Sampling rate	Same as measurement rate (up to 1 Hz)
	* Dynamic specifications depends on the type of motion

Data recording

Capacity	16 GB, 64 GB or 128 GB (inquire for larger capacity)
Data record	Consult instrument software
Mode	Stop when full

Real-time clock

Accuracy	± 1 min/year
Clock retention in absence of external power	1 year. Rechargeable backup battery

Data communications

Ethernet	10/100 Mbits Auto MDI-XTCP/IP, UDP, HTTP protocolsFixed IP/DHCP client/AutoIP, UPnP
Serial	Configurable RS-232/RS-422 300–1250000 bps
Recorder download baud rate	20 Mbit/s (Ethernet only) - 1 GB in 6 minutes
Controller interface	ASCII command interface over Telnet and serial

Connectors

Depending on configuration	MCBH6F (Ethernet), MCBH8F (serial), MCBH2F-G2 (pwr), optional Souriau M-series metal connector for online use (14M)

Software

Functions Deployment planning, instrument configuration, data retrieval and conversion (for Windows®)

Power

DC input	15–48 V DC
Maximum peak current	1.5 A
Max. average consumption at 1 Hz	15 W
Typical average consumption*	2 W
Sleep consumption	100 μA, power depending on supply voltage
Transmit power per beam	4–200 W, adjustable levels
Ping sequence	Multiplexing or parallel
	* 10 min. avg. profile,1 cm/sec hor. prec., max cell size, max power, long range mode. Consult SW for other configurations

Batteries

Internal	One or two 540 Wh alkaline or 1800 Wh lithium
Duration	Depending on configuration, consult software

Environmental

Operating temperature	-4 to +40 °C
Storage temperature	-20 to +60 °C
Vibration	IEC60068-2-64
EMC approval	IEC/EN 61000-6-2, 61000-6-3
Depth rating	1500 m (for 6000 m version, contact Nortek for specifications)

Materials

Standard model POM with titanium fasteners. Titanium/POM transducer cups

Dimensions

Maximum diameter	460 mm
Maximum length with room for internal batteries	765 mm (2 batteries)
Maximum length without room for internal batteries	N/A

Weight

In air, no battery	37.5 kg
In water, no battery	13 kg
Battery	10.0 kg (2x540 Wh), 5.8 kg (2x1800 Wh)

Technical documents
- Toggle all
- Technical drawings
  
  Signature 100 General Assembly - NGA061-007 Rev.-A
  
  Download this
- Approvals
  
  Declaration of conformity
  
  Download this

Configurations
- Toggle all
- Main product
  
  01
  
  Signature100
- Probe type / Head
  
  01
  
  4-beam head
  
  02
  
  5-beam head (adds 95 kHz center transducer for echo sounder)
- Housing
  
  01
  
  Long (for two internal batteries)
  
  02
  
  Medium (for one internal battery)
  
  03
  
  Short (no internal battery)
- Memory
  
  01
  
  16 GB SD card data logger
  
  02
  
  64 GB SD card data logger
  
  03
  
  128 GB SD card data logger
- Pressure sensors
  
  01
  
  Pressure sensor, 0-1500 m, accuracy 0,1% of FS
  
  02
  
  Pressure sensor, 0-100 m, accuracy 0,1% of FS
  
  03
  
  Pressure sensor, 0-1000 m, accuracy 0,1% of FS
- Cables
  
  01
  
  10m Ethernet cable with MCIL6MP, Power/RJ45
  
  02
  
  10-100m Ethernet cable (specify length in comments field) with MCIL6M-PWR/RJ45
  
  03
  
  10m Serial RS232 cable, MCIL8M-DB9
  
  04
  
  10m Serial RS232 cable, MCIL8M-DB9 w/RS485 trigger
  
  05
  
  Serial RS422 cable >10m (specify length in comments field), MCIL8M-DB9
  
  06
  
  Online cable, Souriau 14M open ended, (specify length in comments field)
  
  07
  
  Online cable, Souriau 14M PWR/RJ45, max 100m, (specify length in comments field)
  
  08
  
  Online cable for RS-422 interface box, Souriau 14M (specify length in comments field)
- Other
  
  01
  
  AHRS
  
  02
  
  Compass and tilt