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2019 11 12 NORTEK Produkter0933 main picture VM Operations 333 k Hz Sea valve VM Operations 333 k Hz VM Ops 333k Hz Gatevalve Ops software web

VESSEL-MOUNTED CURRENT PROFILER

Signature VM Coastal - 1000|500|250 kHz copy

The Signature VM package delivers vessel-mounted AD2CP capabilities based on present-day technology

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Technical specification (PDF)
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Overview

  • The Signature VM Coastal safeguards data quality, opens up new and unprecedented opportunities to the scientific community, and offers operational convenience and reduced complexity.

    The Signature VM Coastal package includes the Signature1000, 500 or 250, allowing for great versatility in both the vessel-mounted and bottom-mounted configurations. By using a state-of-the-art and user-friendly vessel-mounted package, measurement errors and initial installation time can be greatly reduced.

Highlights

  • A coherent system that is quick and convenient to operate
  • Fifth echosounder beam for sediment measurements down to the bottom (1000/500)
  • Ethernet ADCP and GNSS hardware, offering tight network timing
  • Simultaneous current and depth information in one place (1000/500)
  • Outstanding bottom-track performance, even under challenging conditions
  • Straightforward data-acquisition and processing software

Applications

  • Coastal surveys, up to 200 m depth
  • Port and harbor mapping
  • Studies of tidal currents
  • Sediment transport studies
  • Large-scale mixing studies

    • Toggle all

    • Water velocity measurements for Signature VM 1000 KHZ

      Profiling range* 30 m
      Cell size 0.2–2 m
      Max no. cells 256
      Min. blanking 0.1 m
      Minimum accuracy 0.3% of the measured value ± 0.3 cm/s
      Velocity resolution 0.1 cm/s
      Maximum sampling rate 14 Hz
      No. of beams 4 slanted at 25 degrees
      *) Maximum range depends on acoustic scattering conditions and transmit power.

    • Bottom velocity measurements for Signature VM 1000 KHZ

      Single ping std @ 3 m/s 0.5 cm/s
      Long-term accuracy ± 0.1% / ± 0.1 cm/s
      Minimum altitude 0.2 m
      Maximum altitude 30 m
      Velocity resolution 0.01 mm/s
      Maximum sampling rate 4 Hz

    • Other

      Temperature sensor range /accuracy -4 °C to 40 °C / 0.1 °C
      Pressure Piezoresistive
      Standard range VM 1000/ VM 500: 0-100 m (inquire for options), VM 250: 0-300m (inquire for options)
      Accuracy/precision 0.1% FS / better than 0.002% of full scale
      Compass and tilt Solid-state magnetometer
      Data recording 16 GB (inquire for options)
      Data cable 20 m Ethernet cable (inquire for options)
      IO Ethernet
      DC Input 12–48 V DC

    • Environmental

      Operating temperature -4 °C to 40 °C
      Storage temperature -20 °C to 60 °C
      Vibration IEC 60068-1/IEC60068-2-64
      EMC approval IEC 61000
      Depth rating 300 m – Bottom track is limited to surface vessels
      Connectors Straight fitted MCBH6F (Ethernet)
      Housing Small instrument housing
      Material POM with titanium fasteners and additional, reinforced transducer cups for VM 250

    • Processing unit

      Processor/memory Intel i5/8 GB
      Hard disk SSD, 500 GB
      Operating system Windows® 10
      Housing Half 19" 2 HE case or 19" rack-mountable 1 HE
      Dimensions 265x110x340 mm or 480x45x325 mm
      Input 24 V DC, 20 W typical
      Total weight 5.75 or 3.80 kg
      Connections Power, Signature ADCP, AN_GNSS, 2x HDMI, 2xLAN, 3x USB, 1x RS-232 (optional)

    • Nortek Signature VM acquisition software

      Acquisition Signature VM - binary, GNSS compass - binary
      Timing < 0.6 s, IEEE1588/PTP for absolute timestamping (GNSS compass/Signature VM)
      Configuration Signature VM (partly)Advanced Navigation GNSS compass
      Display Vessel track in map, Bottom-track velocity, Bottom-track depth, Velocity magnitude and direction, Echo amplitude, Echo correlation, Vertical depth*, Vertical echogram; corrected relative volume backscatter (1000/500)*
      Status Signature VM + AN_GNSS compass
      Output Online: NMEA data formats and AD2CP format. Off-line CSV, ASCII VMT, MATLAB, MATLAB VMT, MATLAB QRev, KML
      *) Signature1000 and 500

    • Toggle all

    • Main product

      01

      Signature1000 VM

      02

      Signature500 VM

      03

      Signature250 VM

    • Probe type /Head

      01

      5-beam head (1000, 500)

      02

      4-beam head (250)

      03

      5-beam head (adds 500 kHz center transducer for wave measurements) (250)

    • Housing

      01

      Short, no room for battery (external battery canister for bottom mount use)

    • Memory

      01

      16 GB SD card data logger

      02

      64 GB SD card data logger

      03

      128 GB SD card data logger

    • Pressure sensor

      01

      Pressure sensor 0-100 m, 0.1% (standard) All other available Signature1000_500

      02

      Pressure sensor 0-300 m, 0.1% (standard) All other available Signature250

    • Cables

      01

      AD2CP: 20 m Ethernet cable with MCIL6MP, Power/RJ45 at dry end (standard)

      02

      AD2CP: 10-100 m Ethernet cable (specify length) with MCIL6MP-PWR/RJ45

      03

      GNSS: GC-POE-CABLE-20M Ethernet cable for GNSS Compass 20 m (please inquire for other length)

    • Mounting

      01

      Vessel Mounted over the side

      02

      Vessel Hull mounted

      03

      Unmanned Surface Vehicle (USV) mounted (please inquire)

    • Other

      01

      Compass and Tilt sensor

      02

      AHRS

      03

      High Accuracy Heading GNSS (RTK)

Request a quote Signature VM Coastal - 1000|500|250 kHz copy
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