The water switch is part of a low current triggering circuit, which when closed will initiate normal pulsing of the beacon oscillator circuit. The output voltage of the oscillator is coupled to the Piezo- ceramic transducer ring. The resultant mechanical motion is transmitted to the metal case of the beacon, which in turn radiates acoustic energy into the surrounding water at The pulse generated are approximately 10 ms in duration, and occur about once per 1 second as shown in figure below.
The beacon will operate for a minimum of 90 days after being immersed in the water. The beacon will withstand depths to 20, feet meters.
It can be detected at a range of to yards to meters with N30A5 series of Locator. The sea state, nearby boats, marine animals, gas or oil lines, and other factors contributing to the ambient noise level may affect the range at which the beacon can be detected.
Known for their extremely reliable operation all Dukane Seacom underwater location products are designed, manufactured, and tested to stringent and exacting specifications. On many occasions, Dukane Seacom underwater locator beacons have been instrumental in the successful recovery of aircraft and marine black boxes. ULB devices must reliably function in extreme environments.
Each Dukane Seacom beacon is rigorously tested at our Sarasota, Florida manufacturing facility in our underwater dynamics laboratory. Dukane Seacom ULBs have aided in the recovery of multiple aircraft and marine incidents. Dukane Seacom is co-located with our sibling company Radiant Power Corp.
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