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Cerberus Pro uses ASAtechnology to provide even more reliable fire safety


Zug, Switzerland, The Siemens Building Technologies Division has added two new fire detectors to its fire safety product line Cerberus Pro. Both devices use proven ASAtechnology to detect fires quickly and safely even in environments with challenging requirements. In addition, one of these two models is able to monitor carbon monoxide concentrations in the room air. This opens up entirely new applications for Cerberus Pro.

Models OOH740 and OOHC740 are two new advanced fire detectors from the Siemens Building Technologies Division’s Cerberus Pro portfolio. Both detectors have two optical and two thermal sensors, allowing them to be employed as (multi-sensor) fire detectors and as heat detectors. In addition, model OOHC740 is equipped with an integrated carbon monoxide sensor to provide early warning of dangerously high concentrations of this toxic gas. The most important feature of both detectors is the unique ASAtechnology (Advanced Signal Analysis) which has proven itself in thousands of installations; it allows for fast and reliable fire detection in a wide range of environmental conditions.

ASAtechnology-based detectors split the signals they receive into their components, which are then compared in real time against predefined values using complex algorithms. These parameter sets can be precisely adjusted to the expected environmental conditions, taking into account specific local risks and possible interferences such as dust or welding fumes. Devices using ASAtechnology offer highly reliable fire detection and minimize the incidence of false alarms.

Another benefit of ASAtechnology is the ability to load multiple parameter sets into the detectors and easily switch between them. This allows customers to quickly and easily adjust the devices’ responsiveness to changing requirements. For example, the sensitivity of a detector installed in a rough industrial environment can be increased on the weekend when the production lines are down.

Since it is so easy to adapt these new Cerberus Pro models to local requirements using parameter sets, customers are able to meet all their fire safety needs with one product family. A typical example would be a university where one building houses both a cafeteria with an industrial kitchen and a data center. Although these building areas are subject to different fire risks and have completely different fire detection requirements, Cerberus Pro is able to provide optimal protection for both by loading suitable parameter sets.

For more information about Cerberus Pro, please visit

Siemens AG (Berlin and Munich) is a global powerhouse in electronics and electrical engineering, operating in the industry, energy and healthcare sectors. For over 160 years, Siemens has stood for technological excellence, innovation, quality, reliability and internationality. The company is the world’s largest provider of environmental technologies. More than one-third of its total revenue stems from green products and solutions. In fiscal 2010, which ended on September 30, 2010, revenue from continuing operations (excluding Osram and Siemens IT Solutions and Services) totaled €69 billion and net income from continuing operations €4.3 billion. At the end of September 2010, Siemens had around 336,000 employees worldwide on the basis of continuing operations. Further information is available on the Internet at:

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation and building technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. In fiscal 2010, which ended on September 30, 2010, revenue from continuing operations of the Industry Sector (excluding Osram) totaled around €30.2 billion. At the end of September 2010, Siemens Industry Sector had around 164,000 employees worldwide without consideration of Osram. Further information is available on the Internet at:

The Siemens Building Technologies Division (Zug, Switzerland) is the world’s leading provider of safe, secure and energy efficient solutions for buildings (“Green Buildings”) and building infrastructure. As a service provider, system integrator and product supplier Building Technologies offers building automation, HVAC, fire safety, security, low voltage power distribution and electrical installation technology. With around 42,000 employees worldwide (September 30), Building Technologies achieved a turnover of €6.9 billion in fiscal year 2010.

Reference Number: IBT201105016e


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