Function
Bridge navigation watch alarm system is designed for watching the bridge navigation situation in order to avoid possible sea accident about bridge operation.
This system is in accordance with the requirements of MSC.
128(75) resolution and can be used on various ships.
After dormancy time is over, it will send out visual alarm signal.
After visual alarm for 15s, it will send out first-class audible alarm signal.
After first-class audible alarm for 15s, it will send out second-class audible alarm signal and give VDR output.
After second-class audible alarm for 90s(can be adjusted up to 3 min), it will send out third-class audible alarm signal and give VDR output.
Press down Emergency Call button and it will immediately active second-class and third-class long distance audible alarm and VDR output.
Power failure alarm.
Dimmer and time adjust.

Ambient condition

Equipment should be used in the following ambient condition:

a) Ambient temperature: 0℃～＋55 ℃；

b) Relative humidity: ≤95％；

c) Atmospheric pressure: 86 kPa～106 kPa；

Power supply

Main Power: DC24V，Emergency Power: DC24V

Alarm sound pressure level: 80dB(A)～90dB(A) 

Second-class, third-class alarm power output: 24VDC/2A

Second-class, third-class alarm passive contact output capcity: 30VDC/2A, 125VAC/1A

Power loss: ≤12W

Button box: ≤2W

Extension alarm unit: ≤2W

Color: black（RAL 9005）

IP class: IP20

Weight: 1.22Kg 

Power:8W