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The GraviProbe is a free fall impact instrument, analyzing the underwater sediment layers during intrusion. Under its own weight it accelerates and penetrates fluid and consolidated mud layers.

The rheological and density conditions of the soil layers are determining the probe’s dynamical behavior. The data acquired from on-board accelerometers, inclinometers and pressure sensors is feeding a dynamical model which determines the rheological parameters of the intruded medium (depth, undrained shear and viscosity).

As a result the GraviProbe is able to very accurately distinguish the depth of the fluid mud and consolidated mud layers, even in gassy environments.

The high sensor data acquisition rates of up to 2kHz in combination with a low drag housing results in the highest quality profiles at drop rates over 7 m/s. Due to its light weight the probe can be operated manually from a small vessel, platform or quay and is limiting the operational costs.

The GraviProbe Rheology provides tip resistance and shear strength. The GraviProbe Soil is similar to the GraviProbe Rheology but has a conus extension to penetrate hard an stiff sediment layers.

APPLICATIONS

 

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Worldwide supplier of underwater optical sensors since 1994






Seapoint Sensors, Inc. is one of the world's leading manufacturers of underwater optical sensors.  The sensors are known for their high performance, low power consumption, and 6000 meter depth rating. They can be used for in-situ measurements in fresh and salt waters including the most extreme of conditions, and for in-line industrial applications. Seapoint sensors are easily interfaced with a wide variety of third party equipment such as submersible dataloggers and CTD systems, handheld and benchtop dataloggers and displays.

Underwater Optical Sensors by Seapoint Inc

  • Seapoint Turbidity Meter: The Seapoint Turbidity Meter detects light scattered by particles suspended in water, generating an output voltage proportional to turbidity or suspended solids.

  • Seapoint Ultraviolet Fluorometer: The Seapoint Ultraviolet Fluorometer (SUVF) is a high performance, low power instrument for in situ measurements of chromophoric dissolved organic matter (CDOM). The Seapoint Ultraviolet Fluorometer also can be used to detect UV Dyes and Crude Oil.

  • Seapoint Rhodamine Fluorometer: The Seapoint Rhodamine Fluorometer (SRF) is a high performance, low power instrument for in situ measurements of Rhodamine WT.

  • Seapoint Fluorescein Fluorometer: The Seapoint Fluorescein Fluorometer (SFF) is a high-performance, low power instrument for in situ measurements of fluorescein dye

  • Seapoint Chlorophyll Fluorometer: The Seapoint Chlorophyll Fluorometer (SCF) is a high performance, low power instrument for in situ measurements of chlorophyll a.

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