Daniamant launches Electronic Inclinometer to enhance tugboat safety

Industry Database

Danish marine safety equipment manufacturer, Daniamant, has launched a tugboat version of its renowned Electronic Inclinometer, an advanced heel and pitch measuring device. The DanEI-300T fulfils the most recent Bureau Veritas Group’s regulations for escort tugboats and is approved by German BSH to the IMO (International Maritime Organisation) performance standard MSC.363(92):2013.

Bureau Veritas’ classification rules in the January 2019 edition stipulate that escort tugboats must be equipped with a calibrated heeling angle measurement system, otherwise referred to as an inclinometer. This equipment must feature an adjustable audible and visible alarm which informs crews if the heeling angle or steady towline force exceeds permissible values applicable to the relevant loading conditions and escort speed.

“With increasing pressure to optimise efficiency in the shipping and marine industry, and tugboats and their crew operating in high risk conditions, meeting safety requirements is of the utmost importance,” comments Kevin Rough, CEO at Daniamant. “The new DanEI-300T has been designed to ensure it has a multitude of features to comply with the most recent safety requirements. The sensor unit and a display combine advanced electronic technology and sophisticated mathematical algorithms to assist in improving the safety and ease of operation of escort and other tugboats.”

The DanEI-300T’s sensor features an advanced gyro microelectromechanical system (MEMS) component, accelerometer MEMS component and a powerful microcontroller. Using complex algorithms, three rotation parameters (pitch, heel, yaw) and three acceleration parameters (surge, sway, heave) can be accurately calculated. This data is then sent from the sensor to the display unit, where it can be retrieved via serial or Ethernet interface, in standard NMEA (National Marine Electronics Association) format. The self-calibrating unit is easy to use and fit and can be installed by tugboat crews. As position to the tugboat's centerline is calculated automatically, the sensor does not require a special location.

Daniamant developed the DanEI-300T’s user interface based on feedback from internationally-recognised Canadian high-performance tugboat naval architects, Robert Allan Ltd. Using a traffic light system, crews can easily see the heeling of the tugboat and will be promptly alerted to the level of response required to return the vessel to the safety of the green zone. A clear alarm will sound when the display changes from green to amber, signalling momentary heel and an imminent need for response. An additional alarm will be triggered when the display enters into the red zone, signalling the need to reduce the heel immediately as it has exceeded the safe limits of stability. The range of each zone can be entered and adjusted easily via the keypad on the front of the display.

The DanEI-300T measures the heeling angle of the vessel in real time, updating every 0.1 seconds to ensure data is collected continuously in the display unit. This ensures an immediate response can be taken to rectify a potentially dangerous situation and means a maritime investigation authority can get detailed information on the sequence of events in the case of an accident.

For more information about Danimant and its products, please visit: www.daniamant.com

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