Watertight door alarm system is the marine watertight door/hatch cover monitoring system that is based on the synchronous proximity switch ortravel switch watertight door/hatch cover status indicator alarm device, The system can automatically monitor the status information of the switchsignal of watertight door/hatch cover and display it in real time. Meanwhile, the system can display and alarm the system faults, so as to improvethe level of automation of vessels and ensure the safety of ships in navigation.

Watertight Door Alarm Control System.pdf