Sea Technology

AUG 2012

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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A NEW WORLD HIGH QUALITY CURRENT MEASUREMENTS FROM OCEAN GLIDERS The new Nortek compact acoustic Doppler current profi ler is small, light weight, and low power for easy integration on glider platforms. APPLICATIONS: s Velocity profi les create 3D maps of currents s Cross-correlate velocity with profi les of temperature, salinity, density, dissolved oxygen, etc s Calibrated acoustic backscatter observations for zooplankton and other biogeochemical studies s Quantify turbulence scales for mixing and thin layer studies FEATURES: s 1 MHz Nortek acoustic Doppler current profi ler s Novel four-beam transducer head geometry provides symmetric profi ling on both ascent and descent for full water column observations s Total weight in water of profi ler is less than 1 kg s 1000 m depth rating s Low power COME JOIN US AT THE OCEANS 2012 GLIDER WORKSHOP OCTOBER 15th See: www.nortekusa.com/oceans2012 The four-beam transducer head geometry provides "gimbaled" profi ling for glider descent and ascent. Three of the four transducers are used to make the measurements on descent and a diff erent combination of three transducers are used on ascent. (Photo: iRobot Corporation) CURRENT AND WAVE MEASUREMENTS IN THE OCEAN, LAKE AND LABORATORY Nortek AS Vangkroken 2 1351 Rud, Norway Tel: +47 6717 4500 Fax: +47 6713 6770 E-mail: inquiry@nortek.no www.nortek-as.com True innovation makes a difference

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