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HIGH-PRECISION RECEIVERS
Septentrio is
featuring the AsteRx line of products at
Oceanology International 2012. AsteRx is a family of compact, low power, high precision positioning GNSS engines running stand-alone, DGPS, RTK, PPP and heading algorithms. Products include; AsteRx2eL, which can run Veripos Ultra and APEX services; AsteRx2eH, providing GNSS-based positioning and heading from a single receiver; and AsteRx-m, an ultra low power solution ideally suited for buoys, unmanned vehicles, portable computing platforms and other low power applications. Septentrio is a Belgian company specialized in the development and selling of high-precision GPS/GNSS receivers for industrial applications.
NEW METAL THICKNESS GAUGE
Tritex NDT Ltd has upgraded its Multigauge 4000 Series ROV Thickness Gauges for mounting onto most work class ROVs. The range includes the Multigauge 4100 and Multigauge 4400 which are for use in depths of 1000m and 4000m respectively. The Multigauge 4100 is now made from Acetal and the Multigauge 4400 from Titanium for extra durability.
The gauges are used for inspecting metal thickness to check for corrosion in pipelines, pilings, ship’s hulls and subsea structures without the need for using divers. They use Multiple Echo to ensure coatings do not have to be removed; only the metal substrate is measured. Additionally, they have Intelligent Probe Recognition (IPR) and Automatic Measurement Verification System (AMVS). Another upgrade includes a selectable RS422 or RS232 output by means of a simple switch on the gauge. To accompany the Multigauge 4000 series, Tritex has developed Communicator Software, for use on a PC or laptop, to display and record the measurements and associated data such as the time and a descriptive label if required. Templates can be set up to store measurements in a grid, string or combination of both.
NEW POSITIONING DEVELOPMENTS
Aberdeen-based Veripos is featuring two new services utilising GPS and GLONASS satellite constellations, the Apex² and Ultra², at Oceanology International 2012.
Delivering decimetre-level
accuracies globally, both are based on Precise Point Positioning (PPP) techniques with which all GNSS system errors are removed or minimised by direct calculation, precise modelling or estimation. Real-time corrections for all satellites are provided by proprietary algorithms using data from Veripos’s independent worldwide network of over 80 reference stations.
Other main products featured comprise a series of advanced integrated mobile units configurable for single or dual frequency
REVOLUTIONARY SYSTEMS
The Oceanscience Group is showcasing its revolutionary sensor deployment systems, the UnderwaySV and UnderwayCTD, which offer highly-accurate and repeatable CTD and sound velocity profiling on vessels of opportunity while underway at over 10kts. Instead of stopping the vessel for a lengthy CTD or sound velocity (SV) cast, Oceanscience customers can obtain these critical profiles without any survey disruption at all. With over 50 systems in use worldwide customers are benefiting from the latest in underway profiling by not stopping or slowing the ship, saving valuable time and resources, and not leaving any waste upon the sea floor.
GNSS receivers together with a series of proprietary software modules
supporting a wide range of applications, including dynamic positioning, hydrographic
surveying, dredging, offshore construction and
seismic exploration.
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