nke Instrumentation designs, manufactures and sells instruments and systems for water measurements and environmental monitoring. Our ? elds of application are ocean, deep sea, coastal... Our range of products includes: data loggers, autonomous buoys, deep ? oats, sedi-ment sensors, pro? lers. seabed meant the vehicle had to have a nke Instrumentation is involved in several research projects, and works in partnership with minimum weight to guarantee safe, ac-scienti? c institutions such as Ifremer and CNRS. The French company has launched its Brazil-curate working and ef? cient trenching ian subsidiary in July 2013: nke Instrumentaçao, located in Rio de janeiro.operations, for example. Varied seabed Contactsoil conditions were also considered www.nke-instrumentation.com in the Hi-Traq’s design. The Hi-Traq’s Info.instrumentation@nke.fr 00 33 2 97 36 41 31four-track undercarriage design enables it to climb slopes with gradients of up to ZI Kerandre – Rue Gutenberg20 degrees. 56700 Hennebont - FRANCEwww.ihcmerwede.comKongsberg Upgrades Digital Stills CameraKongsberg Maritime added an Ether-Thien Nam Buys Sonardyne’s Ranger 2net control interface and a new graphi- Vietnamese survey company Thien cal user interface to its high resolution Nam Positioning JSC has recently in-digital stills camera the OE14-408. The vested in its ? rst Ranger 2 USBL acous-OE14-408 with its 1/1.7-in. CCD sensor, tic positioning system from Sonardyne 5x optical zoom and achromatic dou- International Ltd., purchased through blet lens has the ability to capture stills the company’s regional of? ce in Sin-images up to a 10 megapixel resolution gapore. Ranger 2 will be used to track while correcting for chromatic aberra- a Remotely Operated Vehicle (ROV) tion, Kongsberg said. With the addition during the installation of a pipe ? ow-of an Ethernet interface the operator has line and a gas export pipeline protection the ability to control all camera func- mattress in an oil? eld offshore Vietnam.tions remotely. Captured images, in ei- Ranger 2 is designed as a high perfor-ther RAW or JPEG format, can be stored mance acoustic position reference sys-to the camera’s 16GB internal memory tem designed for tracking underwater or downloaded as soon as they are taken targets and positioning dynamically through the 10/100 Base-T connection. positioned (DP) vessels. The system The camera supports both static and uses the Ultra-Short BaseLine (USBL) DHCP address protocols. method to calculate the position of a subsea target, in this case Thien Nam’s ROV, Images can also be transferred by USB by measuring the range and bearing from a vessel-mounted transceiver to an or over an ad-hoc wireless network. acoustic transponder mounted on the target. Multiple subsea targets over a wide www.km.kongsberg.comarea and range of water depths can be simultaneously and precisely positioned. Subsea structure installation requires accurate and precise positioning. Sonar-dyne Wideband 2 at the core of 6G technology uses ultra-wide bandwidth signals for more precise ranging, providing the necessary accuracy and precision for these projects. For this operation, transponders will be mounted on the mattress so that Ranger 2 can track it as it descends, ensuring that it is laid within permit-ted ranges for protecting the pipeline.www.sonardyne.comImage: Kongsberg Image: IHC Merwedewww.marinetechnologynews.comMarine Technology Reporter 75nke instrumentation EL MTR Sept14.indd 1 6/16/2014 11:49:14 AMMTR #7 (66-80).indd 75 MTR #7 (66-80).indd 75 8/27/2014 4:19:36 PM8/27/2014 4:19:36 PM