Optical Beam Smoke Detector Working Principle

However beam type smoke detectors are recommended for places with ceilings higher than 7 meters.

Optical beam smoke detector working principle.

An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas typically as an indicator of fire. Sometimes referred to as smoldering alarms photoelectric smoke detectors are capable of detecting a fire early in its stage before it breaks into a full fledged fire. Photoelectric smoke detector basics. Source like ir led laser or any type.

Detector like photodiode etc. Because smoke has to reach the detector mounted to the ceiling. An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas typically as an indicator of fire. Open area smoke imaging detection osid by xtralis is a new innovation in projected beam smoke detection technology.

Photoelectric smoke alarms sometimes called optical smoke alarms sound when an led light within the alarm chamber is broken. They are used to detect fires in buildings where standard point smoke detectors would either be uneconomical or restricted for use by the height of the building. Fire has three main indications. Optical beam smoke detectors work on the principle of light obscuration where the presence of smoke blocks some of the light from the beam typically through either absorbance or light scattering.

Smoke enters through the slits around the side triggering an electronic horn which sounds through the large circular opening on the right. A beam detector has two main parts. An optical smoke detector. Optical beam smoke detectors are often installed in warehouses as a cost effective.

The dark circle in the middle is a test button with a built in led that flashes to show the detector is working okay. Beam detectors working principle. Optical smoke detectors are the most frequently used smoke detectors. Detector types vary depending on which indication of fire they detect and the detection principle.

How optical smoke alarms work. By using advanced dual wavelength proje. An optical smoke alarm also called photo electric smoke alarm works using the light scatter principle. In en 54 14 standard maximum level suitable for optical smoke detectors is 11 meters.

Smoke heat and flame. The alarm contains a pulsed infra red led which pulses a beam of light into the sensor chamber every 10 seconds to check for smoke particles.