Marport has announced its next generation Catch Sensor. The sensor combines radical new design elements with innovative technology.
It integrates broadband transducer technology, robust wireless acoustic communications and an integrated power management system that monitors and transmits remaining battery life to the bridge display.
The new catch sensor also uses Hall Effect technology for real-time measurement of the net’s filling rate. This solid state technology senses an external magnet or a ferrous object without mechanical wear. Marport claims that it is a superior solution when compared to older catch sensors that just transmit a simple ON message. When the catch sensor is activated it transmits an ON message while simultaneously measuring linear changes in net mesh size. This helps improve harvest quality by displaying correct catch volume in proportion to trawl capacity.
The new catch sensor also incorporates an optional multi-axis angle inclinometer. The inclinometer can instantly show if the cod-end is twisted as well as the rising or sinking rate of the net.
Battery power consumption is an important factor in catch sensor design. Marport sensors already enjoy an excellent reputation for long operating endurance between battery charges. The new sensor incorporates the highest energy density of any deep sea rated battery technology and is designed to last over 30 days on a single charge.
The catch sensor is available in two versions – part NFS-4-00 is a 70kHz version for use with Simrad® and Wesmar® trawl sonars; while part NFS-5-00 is a 40kHz version that is interoperable with Scanmar® HC4 series catch sensors.
Karl Kenny, Marport President and CEO said, “Our new catch sensor shows that good design can produce practical ergonomic benefits as well as aesthetic excellence. The design is matched by technical innovation that places our catch sensor a generation ahead of competitive offerings.”
The catch sensor is scheduled for commercial availability in June 2007.
