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
Brugge, BE
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
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Specifications
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General
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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)
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Environmental
-
Max. operating depth [m]
35
Max. operating temperature [°C]
40
Operating temperature: min. [°C]
5
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Power
-
Max. power consumption [W]
20
Battery
N
Type of battery
not applicable
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Operation Characteristics
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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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More information
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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
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Temperature, Depth and other Sensors
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Temperature sensor
N
Depth sensor
Y
Depth resolution [m]
0.0014
GPS sensor
N
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Interfaces and Data
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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
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Density
-
Minimum range [gr / l]
1000
Maximum range [gr / l]
1500
Accuracy [%]
0.25
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