CURRENT PROFILER

Signature500

Mean currents and turbulence, plus wave height, direction and ice tracking

Highlights

  • Five beams for mean currents and turbulence
  • Wave height and direction
  • Ice thickness and ice tracking

Overview

  • The Signature500 ADCP is designed for flexibility. It measures current profiles at up to 8 Hz sampling frequency. It can also measure direct vertical velocity profiles, wave height and direction, and ice thickness and drift. The center beam also functions as a biological echosounder, enabling high-resolution measurements of biomass in the water column. All these features can be combined using Nortek’s patented concurrent mode technology.

Applications

  • Turbulence studies
  • Tidal turbine operations
  • Studies of tidal currents
  • Sediment transport studies
  • Ice drift and draft studies
  • Vessel-mounted coastal surveying
  • Plankton migration studies
  • Biomass measurements
  • Directional wave measurements
  • Suitable for wave buoys
    • Toggle all

    • Water velocity measurements

      Maximum profiling range1) 60 m (burst mode), 70 m (average mode)
      Cell size 0.5-4 m
      Minimum blanking 0.5 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 8 Hz (4 Hz using 5 beams)
    • 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 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 500 kHz
      Number of beams 5; 4 slanted at 25°, 1 vertical
      Beam width 2.9°
    • Echo sounder option

      Resolution 6 mm - 0.5 m
      Number of bins 11,000
      Transmit pulse length 32 μs - 1 ms
      Transmit pulse Monochromatic or pulse compressed (25% BW)
      Resolution / dynamic range 0.01 dB / 70 dB
    • Wave measurement option

      AST frequency 500 kHz
      AST max distance 75 m
      Maximum wave measurement depth 60 m
      Height range -15 to +15 m
      Accuracy/resolution (Hs) < 1% of measured value / 2 cm
      Accuracy/resolution (Dir) 2° / 0.1°
      Period range 1-50 s
      Cut-off period (Hs) 5 m depth; 0.6 sec, 20 m depth; 1.1 sec, 60 m depth; 1.9 sec
      Cut-off period (dir) 5 m depth; 1.5 sec, 20 m depth; 3.1 sec, 60 m depth; 4.2 sec
      Sampling rate (velocity and AST) 4 Hz
    • Ice measurement option

      Parameters Ice thickness, speed and direction, echo sounder data
    • 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)4), ± 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 8 Hz)
    • 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 25 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 180 Wh alkaline, 540 or 1800 Wh with long canister
      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 228 mm
      Maximum length with room for internal batteries 274 mm (180 Wh), 464 mm (540 Wh or 1800 Wh Li)
      Maximum length without room for internal batteries 184 mm
    • Weight

      In air, no battery 6.4 kg (5.2 kg short)
      In water, no battery -0.35 kg (0.6 kg short)
      Battery 1.8 kg

    • Toggle all

    • Technical drawings

    • Approvals


    • Toggle all

    • Main product

      01

      Signature500

    • Probe type / Head

      01

      5-beam head

    • Housing

      01

      Standard, with room for 180 Wh internal battery

      02

      Short, no room for battery

      03

      Long, with room for 540 Wh 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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