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Product Description
Bridge Navigational Watch Alarm System
Product introduction
The BW508 Bridge Navigational Watch Alarm System (BNWAS) is a critical safety device designed to automatically monitor the alertness of the Officer on Watch (OOW) on the ship's bridge. Its core function is to detect and respond if the watch keeper becomes incapacitated, falls asleep, or is absent for an extended period, thereby preventing the vessel from entering an unattended and dangerous state. Manufactured by NINGLU Technology, the BW508 system holds CCS (China Classification Society) Type Approval Certificate, confirming its compliance with stringent international maritime safety standards.Easy installation simple operation and high quality,Compliant with performance standard IEC 62616,With emergency call and emergency
transfer function,Support NMEA0183 data input / output.
Technical Data
| BW508 Performance parameter | |
| Item | Specification |
| Display | 2×16B LCD |
| Power Supply | DC24V/AC100～240V |
| Timings Accuracy | Less Than 5%or 5s |
| Volume Level | 1st Stage Alarm :75～85db/1m 2nd Stage Alarm:75～120db/1m |
| Data Input | Switch Value |
| Data Output | NMEA0183(ALR)/Switch Value |
| Humidity | 10%～90%Relative |
| Operating Temperature | Display:-15～+55℃ |
| Protection | MAIN :IP20 CONN :IP00 RA1 :IP65 RA2/RA3/R:IP20 |
System diagram
Installation dimensions
