The scope of application
Sound announciator is an important and simple tool for communicationon ships. An alarm can send out spec
ial signal in time to indicate the occurrence of certain abnormal phenomenon, at the same time, it is also used as marine telephone, communication device, command alarm and other electrical appliances on ships.
1. Suitable environmental temperature: -25 ℃～ +55℃ .
2. It can reliably work when the power voltage ranges with in ±15% forDC current, +6%~-10% for AC current
of its rated voltage, and its sound intensity will not lower than the value stipulated.
3. The protection class: IP56
4. Cable outside diameter Φ14-Φ16.