Smoke Detector offers early fire detection, localization.
June 17, 2009 -
Protecting areas up to 400 m², 420 Series Aspirating Smoke Detector TM features 10-digit bar graph for monitoring smoke pollution and utilizes LSN improved technology that accommodates currents to 1,500 mA at distances to 3,000 m. ROOM-IDENT feature can individually identify up to 5 rooms and accelerates tracking down of fire source in 4 phases. Intelligent signal processor discerns real/false alarms, and results are displayed on unit itself and Bosch Modular Fire Panel 5000 Series.
Bosch Extends its Aspirating Smoke Detector 420 Series Very Early Detection and Exact Localization of Fires
New version with ROOM-IDENT enabling exact fire localization
Ten-digit bar graph for monitoring smoke pollution
420 Series features 'LSN improved' technology
Bosch Security Systems is extending its 420 Series Aspirating Smoke Detectors with a version offering very early detection and localization of fires. The new Aspirating Smoke Detector TM features ROOM-IDENT. This feature enables individual identification of up to five rooms and quickly tracks down the source of a fire in four phases, displaying the result both on the unit itself and on the Bosch Modular Fire Panel 5000 Series. The new TM version also features a ten-digit bar graph for monitoring smoke pollution.
The TM detector unit is capable of protecting areas of up to 400 square meters even under challenging environmental conditions. Potential application areas include hotels, small server rooms and small high-rise warehouses.
The complete 420 Series provides three models, all specially designed to interface with the Bosch Modular Fire Panel 5000 Series with the extended features of LSN improved technology (Local Security Network).
Bosch's LSN bus system uses the master-slave principle, with all smoke detectors, remote indicators, fire alarm devices, intrusion detectors, keypads, arming devices and sounders connected to it. The network can be flexibly structured with loop, stub or tee-off configurations; the possibilities are additionally extended by interfaces with inputs and outputs and zone expanders. Power and data are transmitted over two wires. 'LSN improved' technology and modules accommodate currents up to 1,500 mA at distances up to 3,000 meters.
Smoke aspiration systems take air samples from the monitoring area through a pipe system with defined air sampling openings and pass the samples to the Aspirating Smoke Detector. The air is channeled through a detection chamber that has been specially developed for applications of this kind. In the detection chamber, extremely sensitive sensors ensure very early warning to provide sufficient time to extinguish a fire or take other necessary action.
Depending on the response sensitivity of the module, the Aspirating Smoke Detector triggers an alarm when the appropriate smoke density is reached. This alarm is displayed on the unit and is also transmitted to the fire panel.
An airflow sensor checks the connected pipe system for breakage and obstruction, and an intelligent signal processor compares the measured smoke level with known disturbance variables (such as dust, drafts and electrical interference) to determine whether an alarm is real or false. This allows for very high sensitivity and ensures reliable operation even in challenging situations with high ceilings, extreme temperatures, dirt or moisture. In addition, all products of the 420 series use a High-Power Light Source (HPLS) which makes the detection modules much more sensitive than conventional detectors.
The Bosch Group is a leading global supplier of technology and services. In the areas
of automotive and industrial technology, consumer goods, and building technology,
some 280,000 associates generated sales of 45.1 billion euros in fiscal 2008. The Bosch
Group comprises Robert Bosch GmbH and its more than 300 subsidiaries and regional
companies in over 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Each year, Bosch spends more than 3.5 billion euros, or eight percent of its sales revenue, for research and development, and applies for over 3,000 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial.
The company was set up in Stuttgart in 1886 by Robert Bosch (1861-1942) as "Workshop
for Precision Mechanics and Electrical Engineering." The special ownership structure of Robert Bosch GmbH guarantees the entrepreneurial freedom of the Bosch Group, making it possible for the company to plan over the long term and to undertake significant up-front investments in the safeguarding of its future. Ninety-two percent of the share capital of Robert Bosch GmbH is held by Robert Bosch Stiftung GmbH, a charitable foundation. The majority of voting rights are held by Robert Bosch Industrietreuhand KG, an industrial trust. The entrepreneurial ownership functions are carried out by the trust. The remaining shares are held by the Bosch family and by Robert Bosch GmbH.
Additional information can be accessed at www.bosch.com. Company Information: Name: Bosch Corp. Address: 8101 Dorchester Rd., P.O. Box 10347 City: Charleston State: SC ZIP: 29418 Country: USA Phone: 843-760-7000 FAX: 843-760-7379
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