English  |
Product Description
LHD-1 Flush /Wall Type Main Unit Of Engineer's Alarm System
Product Introduction
The Main Unit is the central processing hub of the Marine Engineer's Alarm System. It serves as the core brain, continuously receiving and analyzing signals from all remote sensors monitoring critical parameters like temperature, pressure, level, and flow throughout the engine room.
This robust unit features a high-visibility display for real-time status overview and detailed alarm information. It processes input data against pre-set limits, initiates audible and visual alarm sequences, and logs all events for maintenance review. Designed for 24/7 operation in demanding marine environments, it offers reliable performance, easy configuration, and seamless integration with bridge alert systems. Compliance with major classification society standards is ensured, making it the indispensable command center for proactive machinery protection and vessel safety.
Drawing
Technical Data
| Call lines | LHD-1 for 12 lines |
| Call sound | main unit > 82dB; extension unit > 80dB |
| Power supply | main DC24V（+30%~-25%），spare DC24V（+30%~-25%） |
| IP Class | Flush Type IP20, Wall Type IP44 |
| Environment Temperature | -10~50°C |
| Humidity | less than RH95% |
Engineer's Call Alarm System
Engineer's Call Alarm System Connection Diagram
