Duct smoke detectors - when it comes to smoke detection
Rely on duct smoke detectors from years of professional experience
Over the last 30 years, we at SEIKOM Electronic have developed into one of the leading suppliers of high-quality measurement and control technology products and have been impressing customers with our TÜV-certified range ever since. We offer pressure transmitters and modern pressure sensors for pressure measurement and air quality sensors for measuring air quality, as well as room temperature sensors and temperature switches for precise temperature measurement and much more. We also have ATEX products available for you and are one of the few suppliers when it comes to safety integrity levels and explosion protection. When it comes to safety, there is no shortage of duct smoke detectors in our range, so you are equipped for almost any situation. Our duct smoke detectors also have valid VDS approval and are available in a DiBt version. This is particularly important when it comes to building regulations.
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What are the qualities of duct smoke detectors?
A duct smoke detector is essential for early fire detection in ventilation and air conditioning ducts in buildings. The device uses sensors to quickly and efficiently detect smoke particles in the air flowing through the ducts. As soon as smoke is detected, the duct smoke detector triggers an alarm or automatically initiates a regulation process, such as closing an access, using the adapter system.
However, a duct smoke detector also ensures a quick manual response to possible fires or smoke developments before they can spread to other areas of the building. Their use is particularly important in larger building complexes with extensive ventilation systems to ensure the safety of people in the building and reduce property damage.
How does a duct smoke detector work?
A duct smoke detector continuously monitors the air flowing through the ventilation or air conditioning ducts of a building for smoke particles. To do this, it combines a classic smoke detector with an adapter system, whereby the measuring tube and the housing have been specially developed for the air flow. The optical sensors work with a light beam, usually a laser, which is guided through the duct air.
When smoke particles are detected, the light scatters and is detected by the sensor. Ionizing sensors, on the other hand, detect changes in air ionization caused by smoke. The duct smoke detector is installed directly in the duct.
As soon as the duct smoke detector has detected smoke, it sends a signal to the central fire alarm system, which then sounds the alarm. The alarm, in turn, is used to activate automatic fire protection measures such as triggering sprinkler systems or to initiate manual evacuation measures. Duct smoke detectors are therefore an important part of preventive fire protection in modern buildings.
Where are duct smoke detectors used?
Duct smoke detectors are typically used in buildings with extensive ventilation and air conditioning systems. However, they are also often indispensable in industrial environments.
Large buildings and commercial properties such as office buildings, shopping centers, hotels and other large commercial properties where extensive ventilation systems are in place.
Public facilitiesincluding hospitals, schools, universities, libraries and other public buildings where it is crucial to be able to react quickly in the event of a fire.
Production and industrial facilitieswhere potentially hazardous materials are processed or stored.
In larger residential complexes or high-rise buildingsthat use centralized ventilation systems.
Underground facilities such as subway stations or parking garages where air is exchanged by ventilation systems.
What to look out for when buying a duct smoke detector?
When buying a duct smoke detector, there are some important points to consider to ensure that the device works effectively and reliably:
Certification and standards
Make sure that the duct smoke detector is certified in accordance with the relevant safety and quality standards. In Germany, the devices must comply with specific standards.
Sensor type
Decide whether an optical or ionizing sensor in a duct smoke detector is suitable for your specific application. Optical sensors are generally better at detecting visible smoke, while ionizing sensors can be more effective at detecting flame smoke.
Sensitivity and response behavior
The sensitivity of the smoke detector minimizes false alarms and at the same time ensures that real smoke is detected at an early stage. Some models come with adjustable sensitivity levels or adaptive algorithms that take your particular environmental conditions into account.
Integration into existing systems
Ensure that the duct smoke detector is compatible with your existing fire alarm system. This includes the ability to integrate with central control systems, alarm devices and any automatic fire protection systems.
Maintenance and testability
Check how easy the duct smoke detector is to maintain and test. Models that are easily accessible and have simple test functions make regular inspection and maintenance easier.
How can a duct smoke detector be reliably installed?
Before installing a duct smoke detector, observe the installation conditions in accordance with the general conditions and manufacturer's instructions.
Location selection
Select an installation location in the ventilation duct that is representative of the air flow in the system and where the smoke is likely to flow through in the event of a fire. Avoid areas where turbulence or strong air currents could impair detection by duct smoke detectors.
Accessibility
Install the duct smoke detector in a location that is easily accessible to simplify maintenance work and regular tests.
Consideration of the air velocity
The duct smoke detector must be placed in an area of the duct where the air velocity is within the specifications of the detector. Air velocities that are too high or too low can quickly impair the performance of the sensor.
Use of the correct mounting material
Use the manufacturer's recommended clamps, brackets and other fixing materials to ensure that the duct smoke detector is firmly and securely installed in the duct.
Electrical connections
Ensure that all electrical connections are made safely and in accordance with electrical codes and standards.
Test after installation
After installation, you should test the duct smoke detector. Most duct smoke detectors have a test function that allows you to check their functionality.
A duct smoke detector makes a significant contribution to safety and impresses with its reliability and durability. Feel free to browse through our many other product categories and feel free to ask us any questions you may have. We are here for you personally and will be happy to provide you with expert advice on duct smoke detectors and other products.
