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Nortek Signature 100k Hz frontview
Nortek Signature 100k Hz sideview
MG 2288
ABS2 lowres
Nortek Signature 100k Hz frontview Nortek Signature 100k Hz sideview MG 2288 ABS2 lowres

CURRENT PROFILER

Signature100

Profileur de courant longue portée conçu pour combiner mesure du profil de courant et mesure de biomasse

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  • 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.

Points forts

  • 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

    • 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)

    • Toggle all

    • Technical drawings

      Signature 100 General Assembly - NGA061-007 Rev.-A

      Download this

    • Approvals

      Declaration of conformity

      Download this

    • 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

Contenu associé

The Signature100 ADCP combines current and biomass measurements, giving unprecedented insight into ocean resources such as krill, zooplankton and schools of fish.

Combining current and biomass measurements for unprecedented insight into ocean resources

Video
© Photo by Uwe Kils, Wikimedia Commons

High-resolution backscatter data with Nortek Signature ADCP

User Story
Saltstraumen - Foto by Frankemann [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)]

New to current measurement?

Wiki
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30/05/2018
Read in Hydro International
Optimizing the Tides
01/12/2017
Read in Marine Technology Reporter
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