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Product Features

ZÖLLNER ZETFON-Fonomat
The product line of suitable devices seagoing vessels is expanded with triple-tone-signal systems in order to fulfil the requirements for the Danube, suitable for zone 2.

Part of the delivery contents are signal automatons for the automatic repetition of the demanded sets of tones, a sound signal lamp, and a foot switch.

Clear
Ship classSound intensity in 1/3rd-octave band level
at 1 m distance (dB)
Fundamental frequency (Hz)
Ship < 20 m122 250-700
Ship > 20 m132130-350
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Zollner

Features

Sound intensity: 124 dB, Frequency: 310 Hz

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