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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See Figures 7 and 8. The beacon will withstand depths to 20, feet meters. O-ring lubrication should be applied to new O-ring and threads before installation.

Fresh or salt water Radiation Pattern Locate the label on the beacon body in the space provided as shown in Figure Make sure that the beacon case is clean and dry prior to testing. The signal iscoupled to a piezo-ceramic transducer ring.

Duknae shock cushion from battery end of beacon if not removed with cover. When a beacon is returned to the customerafter warranty service, the remainder of theoriginal warranty will be applied to the returnedbeacon. Not less than 0. Serial Number of the beacon s. Any situation that could possibly crush orpenetrate the case of the beacon should beavoided. The DK Series beacon should be tested beforeand after installation in the mounting kit and atrecommended maintenance intervals.

Reason for the return. See Sections V and VI.

DK/90 – Recorder Beacon – Dukane Seacom – A HEICO Company

Insure that proper protection for the beacon is provided i. Nominal Pulse Train will operate for a minimum of 30 days after being immersed in the water. In the case of a failure which is determined to be within the Warranty terms Section VIIthe beacon will be replaced by Dukane Corporation at the sole discretion of Dukane Corporation. Rated output over 80 percent of sphere Size If dhkane doubt, wipe clean using mild detergent and a soft cloth.


The water switch is part of a triggering circuit, which when actuated will initiate normal pulsing of the beacon circuit.

Rotate the beacon in the mount, so that the markings and beacon replacement date label can be read. If in doubt, wipe clean with mild detergent. When the beacon du,ane installed on the aircraft, the recommended schedule for beacon cleaning and testing is every 24 months, when the beacon is installed on a recorder and the recorder is installed in accordance with its TSO.

Replace the cover and tighten it until the cover flange contacts the body or leaves less than a 0. Position mounting kit carefully to avoid interference with other structures. This warranty does not cover: A clean switch will allow moisture to collect into droplets and run off the switch, without activating the beacon.

Tighten until the securing plate makes contact with the frame in the area of the screws, with approximately 15 to 20 inch-pounds torque.

The beacon is operable at the given minimum acceptable dhkane. In accordance with the Technical Manual published by Dukane Corporation the customer is responsible for the following items: This beacon contains a lithium battery and may be considered hazardous waste.


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. Water Switch Location on Beacon The required schedule for battery replacement, available only at Dukane Corporation is every six years. Contact Dukane Corporation, Seacom Division atfor replacement battery kits. Dispose of batteriespromptly, keep away from children.

DK120/90 – Recorder Beacon

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. The proper mounting location should also provide for clearance for removing the beacon from its mounting hardware.

Shipping and billing addresses. Observe the clearances required as shown in Figures 5 and 6, andin established tool and maintenance clearances.

Page 20 of 24 N. Your manual failed to upload Clean the switch end of the beacon with a soft cloth and mild detergent, then dry thoroughly with a clean cloth.