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Signature1000

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Signature1000

High-performance mean currents and turbulence, wave height and direction

Technical specification (PDF)
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Highlights

  • Five beams for mean currents and turbulence
  • Wave height and direction
  • Very small size and weight

Overview

  • The Signature1000 ADCP is the optimal tool for turbulence measurements. With a maximum sampling frequency of 16 Hz, it gives the scientific community an unprecedented opportunity to study a part of the turbulence spectrum that has never been accessible before. Vertical resolution current profiles of 2 cm over a range of up to 8 m further increase the Signature1000’s versatility, as does its ability to measure wave height and direction. The center beam also functions as a biological echosounder, enabling high-resolution measurements of biomass in the water column.

Applications

  • Turbulence studies
  • Sediment transport studies
  • 3D profiling using a wire walker
  • Surf zone dynamics
  • Studies of tidal currents
  • Fine-scale mixing studies
  • Vessel-mounted coastal surveying
  • Directional wave measurements
  • Coastal studies
  • Suitable for wave buoys

Related Content

2019-12-18
New to turbulent flow?
Nortek Wiki | KNOWLEDGE CENTER
2019-12-18
Turbulence study targets tidal-energy costs
User Story | KNOWLEDGE CENTER
2019-12-18
How Plymouth University students get to grips with measuring currents through hands-on experience
User Story | KNOWLEDGE CENTER
2020-01-23
Integrating the Signature1000 ADCP on groundbreaking ocean research device
Video | KNOWLEDGE CENTER
2020-02-03
Nortek support: How to set up and deploy the Signature ADCP buoy
Video | KNOWLEDGE CENTER
SIGNATURE MEDIA COVERAGE
Studying the Ocean in 3D 24/12/2019 Read in Sea Technology
Obtaining Critical, High-Resolution Ocean Measurements at a Lower Cost 12/12/2019 Read in Ocean News & Technology
Observing ‘Wilson’ Environmental Monitoring of The Ocean Cleanup System 02/12/2019 Read in Eco Magazine

    • Toggle all

    • Water velocity measurements

      Maximum profiling range1) 25 m (burst mode), 30 m (average mode)
      Cell size 0.2-2 m
      Minimum blanking 0.1 m
      Maximum number of cells 256 (burst)/200 (average)
      Velocity range (along beam) User-selectable 2.5 or 5.0 m/s
      Minimum accuracy 0.3% of measured value ± 0.3 cm/s
      Velocity precision Broadband processing, consult instrument software
      Velocity resolution 0.1 cm/s
      Max sampling rate 16 Hz (8 Hz using 5 beams)

    • HR option (on 5th beam only)

      Velocity range 3 cm/s - 1.4 m/s
      Cell size 2-25 cm
      Profiling range 10 cm - 8 m
      Range velocity limitations Product of profiling range and velocity should not exceed 3.0 m2/s.

    • AD2CP measurement modes (US patent 8223588)

      Single Burst or average
      Concurrent Burst and average
      Alternate Single and/or concurrent

    • Echo intensity (along slanted beams)

      Sampling Same as velocity
      Resolution/ dynamic range 0.5 dB / 70 dB
      Transducer acoustic frequency 1 MHz
      Number of beams 5; 4 slanted at 25°, 1 vertical
      Beam width 2.9°

    • Echo sounder option

      Resolution 3 mm - 0.25 m
      Number of bins 10,000
      Transmit pulse length 16 μs - 0.5 ms
      Transmit pulse Monochromatic or pulse compressed (25% BW)
      Resolution / dynamic range 0.01 dB / 70 dB

    • Wave measurement option

      AST frequency 1 MHz
      AST max distance 34 m
      Maximum wave measurement depth 30 m
      Height range -15 to +15 m
      Accuracy/resolution (Hs) < 1% of measured value / 2 cm
      Accuracy/resolution (Dir) 2° / 0.1°
      Period range 0.5-50 s
      Cut-off period (Hs) 5 m depth; 0.6 sec, 20 m depth; 1.1 sec
      Cut-off period (dir) 5 m depth; 1.5 sec, 20 m depth; 3.1 sec
      Sampling rate (velocity and AST) 8 Hz

    • 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 samplerate)
      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 0-100 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)4), ± 2° (static, tilt < 20°)
      Sampling rate Same as measurement rate (up to 16 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-X, TCP/IP, UDP/IP, HTTP protocols, Fixed IP / DHCP client /Auto IP address assignment, UPnP and Nortek proprietary instrument, discovery over Ethernet
      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 (10M)

    • Software

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

    • Power

      DC input 12-48 V DC
      Maximum peak current 1.5 A
      Max. average consumption at 1 Hz 8 W at 1 Hz, Ethernet adds 0.75 W
      Typical average consumption 15 mW
      Sleep consumption 100 μA, power depending on supply voltage
      Transmit power per beam 0.3-30 W, adjustable levels
      Ping sequence Parallel

    • Batteries

      Internal 90 Wh alkaline
      Duration Depending on configuration, consult software

    • Environmental

      Operating temperature -4 to +40 °C
      Storage temperature -20 to +60 °C
      Shock and vibration IEC 60068-1/IEC60068-2-64
      EMC approval IEC 61000
      Depth rating 300 m

    • Materials

      Standard model POM with titanium fasteners

    • Dimensions

      Maximum diameter 142 mm
      Maximum length with room for internal batteries 212 mm
      Maximum length without room for internal batteries 152 mm

    • Weight

      In air, no battery 2.21 kg (1.9 kg short)
      In water, no battery -0.09 kg (0.3 kg short)
      Battery 0.71 kg

    • Toggle all

    • Main product

      01

      Signature1000

    • Probe type / Head

      01

      5-beam head

    • Housing

      01

      Standard, with room for internal battery

      02

      Short, no room for battery

    • Memory

      01

      16 GB SD card data logger

      02

      64 GB SD card data logger

    • Pressure sensors

      01

      Pressure sensor, 0-10 m, 0,1%

      02

      Pressure sensor, 0-20 m, 0,1%

      03

      Pressure sensor, 0-30 m, 0,1%

      04

      Pressure sensor, 0-50 m, 0,1%

      05

      Pressure sensor, 0-100 m, 0,1%

      06

      Pressure sensor, 0-200m, 0,1%

      07

      Pressure sensor, 0-500m, 0,1%

      08

      Pressure sensor, 0-500m, 0,1% (Note: instrument depth rating is 300m)

    • Cables

      01

      10m Ethernet cable with MCIL6MP, Power/RJ45 at dry end

      02

      10-100m Ethernet cable (specify length in comments field) with MCIL6MP-PWR/RJ45

      03

      10m Serial RS232 cable, MCIL8MP-DB12

      04

      10m Serial RS232 cable, MCIL8MP-DB9 w/RS485 trigger

      05

      Serial RS422 cable >10m (specify length in comments field), MCIL8MP-DB9

      06

      Online cable, Souriau 10M open ended, (specify length in comments field)

      07

      Online cable, Souriau 10M PWR/RJ45, max 100m, (specify length in comments field)

    • Other

      01

      Compass and tilt sensor

      02

      AHRS

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