Dukane Ultrasonic Test Set

Dukane Ultrasonic Test Set

The 42A12E is a battery operated heterodyne type receiver tunable over the ultrasonic frequency range of 30 to 45 kHz. The test set was designed primarily as a self-contained, hand-held functional tester for testing underwater acoustic beacons. Utilizing the internal microphone and loudspeaker, the test set can perform an operational test on a beacon without removing the beacon from its mount on the aircraft.

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