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Intelligent Initiating Devices <br /> IYE SAFETY INCIDENT MANACEME <br /> Intelligent Smoke <br /> _ _ <br /> Ietect . r --.� <br /> SIGA-OSD <br /> r <br /> 7272.1657: <br /> 0511 <br /> Overview Standard Features <br /> The Signature Optica Series SIGA-OSD smoke detector • Multi-criteria optical smoke sensing technology <br /> brings advanced optical(photoelectric)technology to a practical • Wide 0.5 to 4.36%/ft. (1.6 to 13.6%/m)smoke obscuration <br /> design that increases efficiency,saves installation time, <br /> cuts costs,and extends life safety and property protection • Uses Existing Wiring <br /> capabilities. Continuous self-diagnostics ensure reliability • Integrated nuisance rejection reducing unwanted alarms <br /> over the long-haul,while environmental compensation helps from general cooking particulates <br /> reduce maintenance costs. <br /> • lasted to UL 268 7th edition <br /> Like all Signature Optica Series detectors,the SIGA-OSD is an <br /> intelligent device that gathers analog information from multiple • Automatic Device Mapping <br /> optical sensors, converting this data into digital signals. Utilizing • Up To 250 Total Signature Addresses Per Loop <br /> dual optical wavelengths combined with multiple detection angles, <br /> the SIGA-OSD differentiates particles that are not representative • Two Levels of Environmental Compensation <br /> of actual smoke. Particle data is input into digital filters which • Two Levels of Dirty Detector Warning <br /> feed a series of ratios removing signal patterns that are typical of <br /> nuisance sources,thus reducing unwanted alarms.To make an • <br /> Twenty Pre-Alarm Settings <br /> alarm decision,the detector's on-board microprocessor measures • Five Sensitivity Settings <br /> and analyzes all optical sensor readings and compares this <br /> information to preprogrammed settings. • Non-Volatile Memory <br /> • Electronic Addressing <br /> • Automatic Day/Night Sensitivity Adjustment <br /> • Bicolor(Green/Red)Status LED <br /> • Standard, Relay, Fault Isolator, and Audible Mounting Bases <br /> • Sensor Markings Provide Easy Testing Identification <br /> Note:Some features described here may not be supported by all control <br /> systems.Check your control panel's Installation and Operation Guide for details. <br /> Page 1 of 4 E8500 1-1001 <br /> Issue 1.4 <br />