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A2S specializes in the design of high-quality fire detection systems for commercial and industrial applications. We offer analog, conventional, and wireless sensors coupled with systems, approved according to local standards and regulations around the world. Discover our full range of products by applications.

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The XPERT 7 I.S. Base has been designed to accept only I.S. products. This ensures that standard detectors cannot inadvertently be fitted into an intrinsically safe system. XPERT cards are supplied with all bases.

  • XPERT addressing
  • One way fit
  • Only accepts I.S. detectors
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This range of OLC/OLCT 100 fixed detectors has been designed for the detection of explosive, toxic gases or oxygen. You can find it in an explosion-proof or intrinsically safe version, the OLCT 100 is suitable for the detection of all gases in ATEX zones.

Whether you are looking for a SIL 2 detector following a functional analysis or simply an extremely reliable solution, the OLC(T) 100 is the detector you need.

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The Oggioni RAS/AD gas detector for 02 with electrochemical cell is a robust and intelligent gas detector that can detect a wide variety of explosive or 02 gases. These gas detectors are based on a micro processor and include a 4 analog at 20mA or three relay outputs with voltage-free contacts, which can be associated with the alarm in the event of a fault. These gas transmitters have aluminum explosion-proof housing, small size, low power consumption. They are ideal for detecting combustibles or 02 and solvents

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RAS DY gas detector, explosion proof EExd for hazardous areas, microprocessor based 4-20mA output, RS485 digital interface, three fully programmable voltage free relay contacts. The detector is also available with display.

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MicroSafe™ series smart gas detectors feature intuitive software. Its operator interface is non-intrusive using magnetic and hand-held program switches accessible through a lens cover. Calibration instructions appear in simple, interactive, sequential text on a 16-character backlit alphanumeric display.

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The GD10 Series has been designed to respond effectively to gas risks in a wide range of industrial environments: from industrial boilers to drilling rigs and toxic gas detection.

Unlike most detectors on the market, these detectors have a solid-state infrared source.

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The Series 928 gas detector detects hydrogen sulfide (H<sub>2</sub>S), carbon monoxide (CO), and oxygen depletion (O<sub>2</sub>) in remote applications, previously too difficult and expensive to monitor.

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Twin Park 4 series gas detector in IP65 aluminum alloy housing used to detect CO+NO2 or CO+GV (Petrol Vapors)

Dual 4-20mA or RS485 output

The Twin Park 4 configuration considerably simplifies the installation and commissioning phases.

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Featured products
Signalisation ATEX

A2S protects you from fire hazards

Fire Protection is always defined in a preventive framework around the analysis of occupational risks and the establishment of a strict human organization, with staff trained in the adoption of the right reflexes and good behaviors to be held when necessary.

Such a fire risk policy must be based on a strong partner, with standardized methods and a flawless reputation. A2S has a network of trained and qualified level 3 installers as defined in NFS 61-933 fire maintenance standard. We offer the best fire protection solutions to each of our customers, those of the manufacturer Esser by Honeywell, with world-renowned references and recognized for its reliability and scalability.

The scalability of a fire protection system is paramount in any facility, especially in high-risk areas. On the one hand, a scalable system offers you a guarantee of control of operational costs while offering you the opportunity to evolve towards the latest technologies in compliance with legal guidelines – constantly revised from year to year. Our systems are modular, easily expandable and maintainable in the best conditions.

Our firefighting systems are permanently controllable. It is easy to detect their actual wear and to carry out targeted replacements to maintain, independently, an installation at the top of its efficiency.

Phases of fire protection

An effective Fire Solution is a complete solution. It must provide answers that adapt easily and effectively to the specific constraints of the most regulated and demanding environments. Detection, automatic gas or water mist extinguishing, express smoke removal, safety lighting, fire extinguishers, safety plans, staff training and accountability: every link in the chain is paramount.

Detect

Fire Detection using fixed detectors connected to a power plant is the first link in the chain. The mesh of the structure to be protected must be perfect and operate continuously thanks to proven and resistant material, especially in areas dangerous to the volatile environment of flammable products. A detection system instantly starts all the processes that have been established. Its action is decisive and its reaction must be as early as possible by detecting the start of a fire.

Alert

As soon as flames and/or smoke are detected, its position is located and alerts to the affected persons are issued. Sirens and loudspeakers even if exposed must operate and escape routes must also remain visible even in the event of heavy smoke.

Protect

All fire protection devices must be activated in concert and without any failure: smoke removal, closing fire doors and extinguishing flames. Possible extinction systems are numerous: automatic in ceilings, manuals, fixed, portable, etc. The materials used to do this are also varied: water, solutions, powder and gas. Extinction systems to be implemented will vary depending on the types of activities of the production, storage and space units to be protected.

Evacuate

Finally, the evacuation of personnel in the event of a fire will be the subject of a carefully evaluated, implemented and regularly tested strategy so that everyone can easily and without panic find the safest path for their protection. The flow of people will be guided by appropriate safety lighting, up-to-date signage and compartmentalization of sensitive areas.

Main applications

Transportation – Industry – Hotels – Medical Facilities – Public Facilities – Office Buildings – Cultural and Historic Monuments

Find all our fire detection systems such as:

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