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The DuKane underwater acoustic beacon is designed to generate a kHz signal that radiates underwater to a distance of about 2 miles. Works to a depth of . Find great deals for Dukane Underwater Acoustic Beacon DK Battery. Shop with confidence on eBay!. Dukane DK Pdf User Manuals. View online or download Dukane DK Technical Manual.

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Serial Fk120 of the beacon s. Quantity of beacons that are being returned. Page 20 Figure The signal is coupled to a piezo-ceramic transducer ring.

The sea state, nearby boats, marine animals, gas or oil lines, and other factors contributing to the ambient noise level may affect dukand range at which the beacon can be detected. This will affect battery life. The DK Series beacon is a battery-operated underwater acoustic pulse generator that is activated when the water switch is immersed in either fresh or salt water. Any compartment that may not be expected to flood under light impact should not be used. The beacon will withstand depths to 20, feet meters.

Fresh or salt water Radiation Pattern The beacon must not be disassembled in any way.

Initially beacons must be tested at every installation or battery change. The beacon should be mounted horizontallywith the switch end forward, if possible. Make sure that the beacon case and waterswitch, are free of grease or film. In order to avoid accumulation of moisture on the water-switch, the device should be mounted with the long axis of the beacon horizontal or with the water-switch facing down.


Do not surround the device with these materials and if necessary, remove small eukane of such materials from the immediate vicinity. Inspect sukane on beacon to determine battery code. The DK Series beacon should be tested before and after installation in the mounting kit and at recommended maintenance intervals. Not less than 0. The breakaway torque is usually high so spanner wrench should be held firmly in contact with battery end cover in order to prevent damage to wrench holes.

Be sure that all four studs protrude approximately the same amount to insure that the strap seats properly around the beacon.

The beacon is operable at the given minimum acceptable voltage. Drill the four 0.

The water switch is part of a triggeringcircuit, which when actuated will initiate normalpulsing of the beacon circuit. Dispose dukahe batteriespromptly, keep away from children. Position mounting kit carefully to avoid interference with other structures. In the case of a failure which is determinedto be within the Warranty terms Section VII ,the beacon will be replaced by Dukane Corporation at the sole discretion of Dukane Corporation. Apply a thin coating of O-ring lubricant to O-ring, O-ring groove and threads.

Shipping and billing addresses. Drill the four 0.

Beacon off-current test, Battery disposal, Beacon storage – Dukane DK120 User Manual

Place the new label on the beacon after the beacon is installed in the mount. The This receiver system is operable from small boats or DK Series beacons consist of a self-contained battery, an electronic module and a transducer. Model N30A26 Series Mounting Kit Cradle Type is an aluminum extrusion with a screw-attached securing plate that provides rugged mounting and protection of the beacon within the aircraft.


The signal iscoupled to a piezo-ceramic transducer ring. When a beacon is returned to the customer after warranty service, the remainder of the original warranty will be applied to the returned beacon.

Replace the battery replacement date label on the outside of the beacon case with the new label supplied with the battery.

Dukane DK : Underwater Acoustic Beacon Technical Manual

When a fukane is returned to the customerafter warranty service, the remainder of theoriginal warranty will be applied to the returnedbeacon. The beacon must be taken out of service according to the expiration date printed on the beacon case and returned to the factory for service.

Page 20 of 24 N. The water switch should be cleaned when dirt or dust becomes apparent. Use hand force only on the dm120. Position mounting kit carefullyto avoid interference with other structures. Dukane Corporation will remanufacture or replace any unit or battery found not to be in conformity with this warranty. Clean the threads, O-ring groove in the body and the threads on the cover by wiping them thoroughly with solvent.

Fresh or salt water Radiation Pattern: