Alarm systems

• 1️⃣ Fire alarm systems
• Used for early detection of fires and notification of those present on site.
  Its main components:
  • Main control panel
  • smoke detectors
  • Heat detectors
  • Audible alarms (sirens or horns)
  • Glass breaker (emergency break button)
  • Light alarms
• 2️⃣ Burglar and theft alarm systems
• To protect buildings and facilities from intrusion or theft.
  Its components:
  • motion sensors
  • Door and window sensors
  • sirens
  • connected surveillance cameras
• 3️⃣ Gas alarm systems
• To detect hazardous gas leaks (such as cooking gas or industrial gases).
  Its components:
  • gas leak detector
  • Audible and visual alarm
  • Automatic gas shut-off valves
• 4️⃣ Carbon monoxide (CO) alarm systems
• To protect people from carbon monoxide poisoning.
• Contains a special detector for toxic gas.

The importance of alarm systems

✅ Reducing material and human losses
✅ Early warning provides sufficient time for evacuation.
✅ Increase the level of security in public and private facilities
✅ Some systems are directly linked to civil defense or security centers.

⚙️ Classification of fire alarm systems (common example)

Intelligent system: Evaluates the condition and reduces false alarms.
Conventional system: The place is divided into zones, and each zone is connected by a single path.
Addressable system: Accurately locates the detector that triggered the alarm.