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Fire Gas Detectors by ADICOS

Fire Gas Detectors

No Chance For Fire!
Conflagations with devastating extent, like injury of persons and loss of productions, are prevented successfully with the early detection of the ADICOS fire detection system. Modern sensor technology and the experience of a variety of fire tests and true fire patterns, which is integrated in the system, provide for reliable fire detection already in the beginning phase.

Fire Alarm Detection With Semiconductor Gas Sensors
Any fire emerges soot particles, aerosols and gases. The ADICOS fire detection operates with semiconductor gas sensors. With this technology fires can be detected reliably in the smoldering stage.

Approved Technology
With the ADICOS gas sensor technology, developed in cooperation with RWE Energie AG and the university of Gießen, a great variety of different applications have been realized. Since many years the ADICOS systems have been reliably used in the scope of fire protection systems in industries and power plants.

Operation In Difficult environments
The ADICOS fire detection system is particularly suitable for critical areas, where conventional technologies cannot operate effectively. The ADICOS fire gas sensors are immune against disturbances like steam, fog or dust, which cause smoke detectors to give false alarms.

ADICOS Fire Alarm Technology / Functional Principle

Fast And Secure Fire Detection
An early and sensitive detection of fires is based on the selective detection of various gaseous components, which are already released in the beginning phase of fires, without open flames or visible smoke. If the fire gases are carried to the detector by the airflow, they are analyzed with an array of different semiconductor gas sensors.

Avoidance Of False Alarms
A gas-permeable protective cap made of sintered metal protects the sensor elements against soiling with dust and humidity. Conditional upon its principle the sensor array is not interfered by disrupting parameters like dusts, dirt, mist or condensing water. Consequently the ADICOS detectors are particularly suitable for areas, where currently known systems con not operate effectively.

Elimination Of Present Disturbances
Ohter disturbance variables, like temporarily present background gases for example vehicle exhaust gases, are suppressed by the intelligent signal processing. The sensitivity of the ADICOS detectors can be adapted according to the particular surrounding conditions to obtain an optimal adjustment.

    Main Benefits:

  • Fire detection already in the pyrolysis phase
  • High sensitivity
  • Immunity against dust,dirt, humidity and strong air current
  • Elimination of disturbance variables
  • Suppression of false alarms
Fire Gas Detectors

Fire prevention is one of the main aspects of operating safety of industrial installations. In several cases conventional methods of fire detection (e.g. optical smoke detectors) do not match for the environmental conditions. For this reason GTE has developed a detector-series, which can cope even with the most complicated conditions.The ADICOS system is able to detect smoldering fires reliably even in worse case work environments. The detectors of the ADICOS-series are based on the qualified detection of the fire characteristic gases. They are immune against dust pollution and condensing water.

    Application Fields:

  • Early warning systems for the overall area of storage, preparation and distribution in coal dependent power plants
  • Monitoring of storage and production facilities for paper, wood, flour, grain, garbage etc.
  • Monitoring of transport space in ships, airplanes and vehicles
  • Particularly suitable for dust and humidity contaminated environments
  • Suitable for dust-explosive areas (Ex-zone 20)

Adicos Product Overview

Gas sensor detector unit GSME-M4

GSME fire gas detectors are the most often used detector types of the ADICOS System. The latest version GSME-M4 is equipped with four semiconductor gas sensors, which monitor the concentrations of the fire gases hydrogen, carbon monoxide, nitrogen oxide and aromatic hydrocarbons. The sturdy mechanical design of the GSME protects them against dust, dirt and moisture.

Thanks to the internal sophisticated multi-criteria evaluation, disturbances such as exhaust gases of conveyor vehicles or natural gas emissions of present materials can be differentiated and masked out. For this purpose an interference spectrum is recorded during commissioning. This spectrum incorporates local gas exposure values into the detector-internal evaluation.

The great advantage of gas detection technology lies in the fact, that surface as well as hidden hot spots can be detected while still in the phase of smoldering. Depending on the scenario smoldering fires can stay hidden without any optical effect (flames, smoke, heat-radiation) for hours or even days.

Gas detection in hazardous areas GSME-X20

 Buildings and plants which are potentially explosive for reasons of high dust exposures and which were therefore declared as Ex zone put particular demands on the fire alarm technology. Electronic devices and components may only be used if a special approval has been obtained for them. For that purpose, it must be ensured on the one hand that electronic systems are prevented from causing explosions due to sparking or heat development. On the other hand, different mechanical load tests must prove that the devices are fully functional even in case of an explosion.

In order to use the ADICOS detector technology even under such circumstances, the Ex versions of our GSME are type-tested and approved for areas up to Ex Zone 20 according to the ATEX directive RL94/9/EG. This applies to all GSME sensor configurations described above except for the GSME-HC2.

ADICOS detector manual
ADICOS GSME operating manual
GSME Datasheet
GSME-Ex Datasheet

HOTSPOT-1000: The Intelligent Infrared Detector
The ADICOS HOTSPOT is a thermal IR camera equipped with an innovative infrared measuring technology and intelligent signal evaluation for quick detection of all kinds of smoldering and open fires even in their formation phase. The integrated thermopile-array sensor is equipped with 1000 temperature-sensitive pixels, which can be parameterized individually. In this way the HOTSPOT detector can be adapted perfectly to each unique application setting.
The response time of approximately 0.1 seconds allows the monitoring of transport belts or other conveying systems. In large halls, the HOTSPOT can be used in addition to fire gas detectors GSME in order to monitor machine parts or stored bulk material. Its sturdy design and the integrated sealing air connectors protect it against dust, dirt and humidity. In addition to the infrared sensor the detector is equipped with a conventional camera for alignment and orientation purposes

HOTSPOT-X20: World’s first IR-Detector for Ex-Zone 20

After an intensive approval phase, we proudly present the world’s first infrared fire detector with an approval for Ex-Zone 20, the HOTSPOT-X20. The design test has been carried out by a notified body according to the ATEX Directive as well as to IECEx, which is why the detector can be used worldwide.

With regard to its specifications HOTSPOT-X20 resembles a default HOTSPOT-1000. It is equipped with a thermopile sensor with 1000 heat sensitive pixels and two sealing air connectors. It does not have a conventional camera but features a mounting flange for easy installation on enclosures of all sorts.

Datasheet HOTSPOT
Datasheet HOTSPOT-X20
Datasheet HOTSPOT-X22

Application examples
Monitoring of transported material

When transporting flammable goods on conveying systems in power stations, transshipment terminals or recycling plants, there is always a risk of spreading of hot spots. If sparks are introduced from damaged grinders or if material is delivered which is already inflamed, a reliable detection is to be carried out before storage. For that purpose, the use of infrared detector arrays is a proven method. Thanks to the quick speed of response combined with the high sensitivity and local resolution, near-surface smoldering can be detected.

The possible covering of a smoldering by non-burning material is to be taken into account. Although in such cases it is possible that the material positioned above consequently heats as well in such a way that a detection becomes possible on the visible surface, the detectors can be arranged in such a way that, for instance, the discharge parabola of a chute is monitored in order to ensure a reliable detection for the other cases as well. An alternative which is less prone to contamination is the positioning of two detectors immediately in front of and behind the chute. This arrangement utilizes the fact that a hotspot which is probably hidden on the first belt is at least partly visible on the surface after transfer and therefore becomes detectable.

Inflammations may occur in case of plant defects or material jams on feed hoppers of conveying systems or grinders for flammable materials. In such cases, it is recommended to use a detector array as an alternative to expensive thermal cameras. The possibilities of a space-resolved alerting which comes along with that additionally allows moving mobile plant parts such as conveying cranes automatically away from the fire source.

Monitoring of plant damages for early detection of plant damages, e.g. on conveying system in rooms with high ceilings, strong ventilation or outdoors, infrared detector arrays are used. In doing so, the focus in on damage scenarios like overheating drive rollers, motor overheating and dragging chains and belts. Thanks to the appropriate parameterization of the individual array fields, the detector triggers in good time prior to an imminent plant overheating and, in addition, alerts in a differentiated manner in case of fire in the surroundings of the plant or if smoldering material is transported.

In any event however, it must be taken into account that only those objects are monitored which have “visual contact” to the detector. In case of large shadowing surfaces, detectors with different viewing angles should be installed where necessary.

Customised Gas Detectors
Upon the customer’s request, our detector systems can be complemented by customized detectors. For instance, the GSME-NH3 ammoniac detector was realized and integrated into the ADICOS System.

Gas Measurement
In addition to the pure detection of gases, the concept of customized gas detectors can also be complemented by units for precise gas measurement. Feel free to contact us

The ADICOS fire alarm control panel
The fire alarm control panel BMZ30 is a compact central unit which communicates with all GSME, HOTSPOT and FIRELASER units via the ADICOS M-Bus and displays and evaluates their states. It allows to group detectors and to create alarm rules.

Starting from the fire alarm control panel, collective alarms can be output and control devices activated according to the preset requirements. Furthermore, it ensures an uninterrupted recording of all system events.

Besides a modular expansion by an ISDN/analogue/GSM modem and an Ethernet interface, the ADICOS FACP also distinguishes itself by its interface to other fire alarm control panels of renowned manufacturers like Bosch, Siemens or Hekatron.

Detector connecting capacity
The ADICOS BMZ30 is able to evaluate signals of up to 127 detection units. During signal evaluation however, it is not able to supply all detectors with power. For detectors of the GSME type, power supply can be realized via the detector bus or, as an alternative, via an external power supply (24-40 V DC). Via the detector bus, the BMZ is able to supply up to 15 GSME directly with power. For more than 15 detectors, repeaters or a combination of external supply and bus supply must be used.

Data sheet BMZ 30 (only in German available)
Manual BMZ 30 (only in German available)

The ADICOS System is based on a user-friendly field bus, the M-Bus, which allows the combination of data communication and voltage supply for all types of devices in one single cable. The system thus convinces by its easy assembly and simple expandability. We offer the following system components:

Power supply unit | NT V40-A3
Connection box | AAB
Connection cable 5 m

The M-Bus is a so-called master-slave bus system. In addition to the detectors functioning as slave, this system requires a master unit, the M-BUS MASTER. This master unit is not only able to provide the operating voltage for a small number of detectors, but also controls the overall data communication.

Furthermore, the master unit allows a service PC to access via an RS232-interface. The M-BUS MASTER models AN and XF can handle the communication with up to 250 detectors. In doing so, due to its protection class IP 65, the M-BUS MASTER XF is also suitable for particularly adverse environments and can be expanded by an Ethernet module.

Datasheet M-Busmaster-XF
Operating manual M-Busmaster-XF (German)
Operating manua M-Busmaster-AN (German)

Power supply unit | NT V40-A3
If the power output of the M-BUS MASTER is not sufficient to supply all connected detectors with voltage, an additional external power supply unit is necessary. The short-circuit proof NT V40-A3 provides a maximum current of 3 A at 40 V.

Operating manual

Connecting box| AAB
The connection and junction box AAB allows an easy installation of the ADICOS detectors. In doing so, all supply and data lines from the backbone are branched to the corresponding detectors. The ergonomic design of the terminal blocks and the pre-printed designations ensure quick assembly and error-free wiring.

ADICOS AAB is also available for dust-explosive area of ATEX-zone 22 (ADICOS AAB-X22).

Datasheet AAB Connection Box
Operating manual AAB Connection Box
Supplementary instructions for AAB-X22

In order to integrate ADICOS detectors into an existing fire protection system, different expansion modules are available. Via these breadboards, GSME and HOTSPOTS can be connected amongst others to fire alarm control panels of Siemens, Bosch and Hekatron.

 Connection cable 5 m
Since all ADICOS detector versions are uniformly equipped with an industrial bayonet coupling, a ready-made standard cable can be used for installing the system. On one side, this shielded connecting cable is equipped with the ADICOS bayonet connector and is available ex works with a length of five meters. Special lengths are available upon request.

Anschlusskabel 5 m
Da alle ADICOS Melder-Varianten einheitlich mit einer Industrie-Bajonettkupplung ausgestattet sind, kann bei Installation des Systems auf ein vorkonfektioniertes Standardkabel zurückgegriffen werden. Dieses geschirmte Anschlusskabel ist einseitig mit dem ADICOS-Bajoneettstecker bestückt und ab Werk in fünf Metern Länge verfügbar. Sonderlängen auf Anfrage.

The operators of the ADICOS System benefit from the long field experience that our engineers and technicians gained through a great variety of applications and that they used for further developments. For instance, intelligent testing of complex systems is required both during commissioning and within the scope of regular checks. For that purpose, our ADICOS specialists have developed the following tools:

GSME tester GTL-2

GSME tester GTL-2
ADICOS GTL-2 is GTE’s equipment to test GSME fire gas detector in-situ. It is designed as an attachment for the widespread testing system solo™ by detector testers.

The GTL-2 consists of a combustion chamber, in which a spiral of pressed organic material is smoldered, creating the gas mixture required to trigger GSME detectors. It is connected to the telescopic pole of the solo™ and placed with its nozzle to the front of the GSME. A small fan within the GTL keeps the controlled smoldering fire within the combustion chamber alive.

Compared to the previous version of GSME test equipment (GTL-100), the GTL-2 is much more compact in it’s and therefore easier to handle. Its fan is supplied by the batteries of the solo™ system, which makes maintenance more user friendly

Operating manual

The M-BUS MASTER A3 is a little helper for the commissioning and service use in the Advanced Discovery System. It fits in every trouser pocket and offers the opportunity to establish a direct communication connection between a service PC equipped with the ADICOS central software and a random ADICOS detector. This is helpful, e.g. for direct readout or change of parameters of an individual detector or to change the BUS address of a detector. A pre-parameterization prior to assembly is conceivable as well.

The ADICOS central software is designed for comfortable, computer-aided visualization of all measuring data and states of the ADICOS detectors. The state of the overall system is displayed in an overview screen. Graphics can be optionally integrated as an overview of the overall system. This makes a precise, space-resolved visualization of the system possible.

Fault and alarm messages are displayed in a clearly organized way and their time-dependent course is documented. In addition to a continuous graphic on the fire probability progress of a specific device, the concentration gradients of the individual guide gases in selectable time periods can be displayed for all devices of the fire alarm system. The program features a protocol list which gives an overview of the past events.

All safety-related data and program parts are password-protected! For supervisory purposes, access to the measuring values and states of all devices is possible from commissioning. The program provides comfortable tools in order to administrate this mass of data. In this way, every significant point in time can be easily located for the overall period.

Stored data can be used in order to document and analyze fire occurrences and for optimum adaptation to changing background exposures or disturbing influences.

For systems equipped with ADICOS BMZ 30, the central software features an extended range of functions. Thanks to these functions, the ADICOS fire alarm control panel can be configured in a comfortable manner.

For special applications, we have the ability to customize the program customized to specific customer requirements.