Open-area Smoke Detection - OSID

Fire detection for buildings with open spaces – such as stadiums, airports, metro stations, shopping centers, hotels, entertainment venues, warehouses and production floors – presents unique challenges, and very early warning may not always be the priority. That's why Xtralis has developed Open-area Smoke Imaging Detection (OSID) for reliable, standard-sensitivity (Class C) smoke detection for open spaces.

Xtralis is known for delivering fire detection solutions without compromise, and VESDA  is the most reliable solution for very early warning smoke detection in any environment – including open areas. But when only standard sensitivity detection is required, OSID by Xtralis offers the most reliable and cost-effective solution for open spaces. It delivers superior performance to overcome all of the shortcomings inherent to other open-area detection systems currently used in these applications such as smoke beam detectors, spot and linear heat detection and flame detectors.

Fire Detection for Open Spaces without Compromise
OSID’s uncompromising performance is based on the patented use of digital imaging, dual-frequency beams, and smart algorithms. The novel use of dual light frequencies in an open-path device enables OSID to discriminate between real smoke and other objects, including insects, steam, condensation and dust, thus dramatically reducing false alarms. The above makes OSID a robust, standard sensitivity detection system.


Installation and commissioning is simplified because exact alignment between the imager and emitter is not required. An imager can locate and lock in an emitter that is only roughly aligned thanks to the imager’s wide field of view. And because OSID uses a wide-angle imaging sensor, its sophisticated algorithms compensate for vibrations and building movement. The option of a battery-powered emitter means that cabling and installation costs also are reduced significantly.

OSID Features and Benefits

  • Patented dual wavelength, UV & IR, particle detection
  • CMOS imager with wide viewing angles
  • Simple installation, commissioning and maintenance
  • High tolerance to vibration and structural movement
  • High resistance to dust, fogging, steam, reflections and object intrusion
  • High resistance to reflected sunlight
  • On-board log memory
  • Software tool for diagnostic purposes
  • Aesthetically discreet and 3-D coverage
  • Long range up to 150 m. (492 ft.) with minimal free space (Ø15 cm./5.85”)

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Copyright 2018 Xtralis Pty Ltd. All Rights Reserved.