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dotOcean DensX

High accurate in situ mud density measurement system

dotOcean´s DensX is applied in ports and access channels to characterize mud layers and to measure density-based nautical depth criteria, to prepare and evaluate dredging works. The accurate density measurement capability allows to determine the dry weight of dredging material precisely.

  • dotOcean DensX
dotOcean
Gistelsesteenweg 294, b205
8200 Brugge
Belgium

Description

Today the DensX is applied in ports and access channels to characterize mud layers, to measure density based nautical depth criteria and to prepare and evaluate dredging works. The accurate density measurement capability allows to determine precisely the ton dry weight of dredging material.

The DensX measures mud densities between 1.0 T/m³ and 1.5 T/m³ with an accuracy of 0.25 %. With a sampling speed of 10 Hz the system supports fast profiling.

Along with the DensX comes a user friendly software that controls a fully automated winch*. The software visualizes the density profile, the winch speed, the winch torque and the tilt of the DensX. When several density profiles are taken, the software generates a mud grid and interpolated dredging volume.

The technology is based on X-ray and is a direct measurement method. The X-ray technology does not suffer from strong legislation restrictions like radioactive density measurement systems. The system weighs 70 kg (weight can be added if required) and is able to deeply intrude into soft sediment layers

 

*sold separatly, contact us

Specifications

  • Width [mm]
    100
  • Length [mm]
    300
  • Height [mm]
    800
  • Weight in air [kg]
    70
  • Weight in water [kg]
    60
  • Housing Material
    Stainlesss Steel (type 316)
  • Max. power consumption [W]
    20
  • Battery
    N
  • Type of battery
    not applicable
  • Max. operating depth [m]
    35
  • Max. operating temperature [°C]
    40
  • Operating temperature: min. [°C]
    5
  • Minimum range [gr / l]
    1000
  • Maximum range [gr / l]
    1500
  • Accuracy [%]
    0.25
  • Temperature sensor
    N
  • Depth sensor
    Y
  • Depth resolution [m]
    0.0014
  • GPS sensor
    N
  • Connectors
    Data - ethernet cable
  • Output data/formats
    Visualisation & control software via Atlantis
  • Internal memory
    Y
  • Storage size of internal memory [mb]
    32000
  • Type of internal memory
    SD
  • Included software
    supplied with Windows® based software
  • Connectors (fext)
    Data - ethernet cable
  • Main applications
    Density based nautical depth criteria; follow-up dredging depth, thickness, re-sedimentation and consolidation of sediment layers; Precise determination of ton dry weight of dredging material
  • Distinguishable features
    X-ray based; Direct measurement system; high accuracy (0.25 %); Fast sampling (10 Hz); Ethernet communication; Software controlled ethernet winch with variable speeds available
  • Sampling Method
    X-ray technology
  • Working principle of measurement technique
    The DensX measures mud densities between 1.0 T/m³ and 1.5 T/m³ with an accuracy of 0.25 %. The technology is based on X-ray and is a direct measurement method. With a sampling speed of 10 Hz the system supports fast profiling. The X-ray technology does not suffer from strong legislation restrictions like radioactive density measurement systems. The system weighs 70 kg and is able to deeply intrude into soft sediment layers.
  • Accessories
    Along with the DensX comes a user friendly software that controls a fully automated winch*.
  • Calibration techniques
    Copper plates and site specific mud

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