Deep sea

COASTAL AREAS & ESTUARIES | OCEANOGRAPHIC STUDIES & ENVIRONMENTAL MONITORING | FISHING & OYSTERFARMING | LAKES & RIVERS | DEEP SEA | CORROSION & IMMERSED SYSTEM BEHAVIOUR

NKE Instrumentation has developed dedicated soltuions for specific parameters and applications and provides deep profiling floats to measure profils up to 4000 meters depth. There are also products dedicated to deep sea researchs and offshore oil and gas protection applications. NKE offers specific loggers to measure deepwater accurate pressure and acceleration or monitoring instruments of pore pressure for geotechnical and hydro-seidmentological applications down to 6000 meters.

NOSS: absolute salinity

Description - The thermodynamic properties of seawater, such as density and enthalpy, are now correctly expressed as functions of Absolute Salinity rather than being functions of the conductivity of seawater. Spatial variations of the composition of seawater mean that Absolute Salinity is not simply proportional to Practical Salinity.

NOSS sensor, for NKE Optical Salinity Sensor, is a unique underwater sensor for in situ refractive index measurement and capable to detect salinity anomalies of seawater. NOSS sensor has been designed for an use even in harsh environments, down to 2000 meters. It becomes a pioneer for initiating experimental studies on the refractive index/density of seawater with anomalous composition. It has been designed to be integrated on surface buoys, sea bottom observatories and profiling Provor floats (down to 2000m) and it takes advantage of its little size and low power energy.

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WiSens TD: Temperature and Pressure

Description - The WiSens TD data logger measures and records pressure and temperature over a depth range from 0 to 6000 meters. Four versions are available: 50m, 500m, 1000m and 6000m.

The data is stored in FLASH memory and can be retrieved by the user after the unit has been recovered. Connection to the data logger is achieved through a WiFi link that the user can activate using the docking activating clip supplied. The flexible configuration and the recovery of data do not require dedicated software. The data logger can be fully used from a Web browser such IE, Safari or other with any PC (MAC/Windows), Tablet or Smartphone (Android/IOS).

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WiSens T6000: deep water accurate marine heat flow measurement

Description - The WiSens T6000 measures and records temperature with very high accuracy down to 6000m depth.

The data is stored in FLASH memory and can be retrieved by the user after the unit has been recovered. Connection to the data logger is achieved through a WiFi link that the user can activate using the activating clip supplied. The flexible configuration and the recovery of data that do not require dedicated software. The data logger can be fully used from a Web browser such IE, Safari or other with any PC (MAC/Windows), Tablet or Smartphone (Android/IOS).

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S2T6000 DH-TI: High temperature

Description - S2T6000 DH TI allows to measure and record temperature. It is designed to be used in harsh environments down to 6000 meters and up to 450°C. The S2T6000 DH TI logger is made of titanium. Moreover, the logger is very easy to use as it is a remote sensor that is light and compact. There is a fast wireless configuration and data collection thanks to a communication interface connected to the USB port of a PC. An underwater communication is possible thanks to a wireless transmission connected to a submarine, a ROV or an AUV.

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Piezometer: Deep sea sediment pore pressure monitoring

Description - Piezometer V2 is designed for in situ measurement and monitoring of pore pressure for geotechnical and hydro-sedimentological applications down to 6000 meters.

The pressure of the fluids between the solid grains of the sediment is one of the crucial controls for the stability of sediments.

The piezometer instrumented stake is inserted into the sediment and provides the possibility to measure the pore pressure in different depth levels.

The evolution of this dynamic parameter can be monitored in a short period of hours or some days as well as for several months.

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DEEP ARVOR: TS, 4000m

Description - The DEEP ARVOR provides salinity, temperature and pressure profiles up to 4000 meters depth, using proven ARGO sensors. Data are transmitted by IRIDIUM satellite system and the float is GPS positioned.

With self-ballast and light design, DEEP-ARVOR is self-ballasted and its light weight allows easy deployment.

Design has been performed by Ifremer well qualified Arvor subassemblies and new hull technologies nke instrumentation achieves the industrial, production and commercialization.

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DEEP ARVOR DO

Description - The DEEP ARVOR DO provides salinity, temperature, pressure and dissolved oxygen profiles up to 4000 meters depth, using proven ARGO sensors. Data are transmitted by IRIDIUM satellite system and the float is GPS positioned.

With self-ballast and light design, DEEP-ARVOR is self-ballasted and its light weight allows easy deployment.

Design has been performed by Ifremer well qualified Arvor subassemblies and new hull technologies nke instrumentation achieves the industrial, production and commercialization.

Download - Datasheet