An optical smoke detector is the classic among fire detectors. Optical smoke detectors are suitable for almost all rooms, e.g. public buildings, hotels, event and assembly centres, office buildings or hospitals. The only restriction is for rooms where the air may be cloudy due to dust or steam.
Optical smoke detector: Function
An optical smoke detector detects an increased concentration of smoke in the air. For this purpose, it is mounted on the ceiling of the room where the smoke first collects in the event of a fire.
A basic distinction is made between
- Optical smoke detectors according to the scattered light method
- Optical smoke detectors according to the see-through method
(Note: no longer used in practice!)
An optical smoke detector based on the scattered light method has two separate diodes (photo and light-emitting diode). If the finest smoke particles penetrate, they reflect the scattered light so that an alarm is triggered.
Specifications for optical smoke detectors
Regular maintenance and replacement of the devices is necessary in order to maintain the protection target. Optical smoke detectors in particular are exposed to external influences (e.g. dirt) that can impair their functionality.
Important: The annual maintenance of optical smoke detectors is mandatory!
Depending on the model, replacement is required after 5 - 8 years.
We will be happy to advise you on the use of optical smoke detectors. We are also happy to take care of installation and regular maintenance.
