CCS Approval 75m Ship Electric Whistle System
Introduction:
It is used for the International and domestic sea-going ships ess than 75m in length,the inland waters ships than 70m in length and the ocean fishing vessels less than 75m in length.
Electric Whistle Controller is a combined controller for the electric whistle and the P/A system.
On the one hand,it can control the whistle producing rhythmic sound,on the other hand,it suits for the ship commanding,
talk-back and loud-hailing. It works for both the G/Esystem and the P/A system suitable for all kinds of vessels.Adopting the micro-processing technology,
this controller has PVC panel and micro-switch with easy operation and perfect outlook.
Functions:
Auto Tone:
One long/2min twolongs/2min one long two shorts/2min
One long three shorts/2min one short one long one short/1min one short/1min
Manual Tone: produced by the panel key or external connected key
External Control Input: control contacts from the G/A panel
Dimmer: the brightnessof the control panel indicator can be adjusted
Parameters:
Long sound:4--6 s short sound: 1s
the pause between two sounds:2s
Power Supply:DC24V+30%/-25%
Sound Signal Intensity:≥130dB
Fundamental Frequency:500Hz
Range of Audibility:≥1 NM
Electric Whistle System Range:
DDK-1 electric whistle controller:
LA-19 manual electric whistle button(optional parts)
DDK electric whistle
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