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
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

Signature VM Coastal - 1000|500|250 kHz copy

Le package Signature VM fournit les capacités d'un AD2CP monté sur coque

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.

  • Currents
  • Bottom track

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

Usage

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

Setup

The in-water serviceable sea valve solution is a convenient mounting choice for offshore operational vessels. The transducer head can also be mounted with a bracket for permanent pole or hull mount structures. The system connects to a junction box for power and communication.

Deployment

A type-approved sea valve solution makes the ADCP in-water serviceable. Data is streamed directly from the hull of the vessel into the control room in real time during operation.

Data

Designated software provides real-time current speed and direction in a 3D profile plot below the vessel, a history plot for predicting future windows of opportunity, as well as other views of information from the system for operators to make decisions at a glance. Data can also be easily fed into a third-party software.

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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.

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

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

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

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)

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

Signature VM 333 kHz ADCP
Signature500 - General arrangement
Signature1000 - General arrangement

Declaration of Conformity - Signature1000

Signature1000 VM

Signature500 VM

Signature250 VM

5-beam head (1000, 500)

4-beam head (250)

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

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

16 GB SD card data logger

64 GB SD card data logger

128 GB SD card data logger

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

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

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

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

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

Vessel Mounted over the side

Vessel Hull mounted

Unmanned Surface Vehicle (USV) mounted (please inquire)

Compass and Tilt sensor

AHRS

High Accuracy Heading GNSS (RTK)

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