Notifier FS-OSI-RI


Intelligent Imaging Beam Smoke Detector; Including Reflector, UL Listed

Availability: In Stock

Condition: New
Brand: Notifier
Status: Active
SKU: 46926
Manufacturer Part #: FS-OSI-RI


NOTIFIER’s FS-OSI-RI intelligent addressable reflector-type linear optical beam smoke detector is uniquely suited for protecting large open areas with high ceilings, where spot-type smoke detectors are difficult to install and maintain. Ideal applications are warehouses, atriums, aircraft hangers, sporting arenas and concert halls. The beam operates primarily on the principle of light obscuration using infrared. The FS-OSI-RI detector is a combined transmitter/receiver and is compatible with NFW-50X, NFW-100X, NFS-320, NFS2-640 and NFS2-3030 fire alarm control panels in FlashScan® or CLIP mode.

Additional information

Weight 4 lbs
Dimensions 6.00 × 10.00 × 4.50 in

Honeywell International

Unit of Measurement

EA (Each)




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Production Status


Listings & Approvals



  • Combined transmitter/receiver unit
  • Wide 12° field of view
  • Fast, easy, and intuitive beam alignment indicated by directional LED arrows
  • Long range coverage of 16-328 ft (5-100 m) is standard; no separate long-range kit required
  • Highly resistant to building movement; tolerates +/- 1° movement
  • Resistant to strong light sources; does not alarm when saturated by sunlight
  • Resistant to solid object intrusion
  • Automatic sensitivity threshold level settings and drift compensation
  • 50° horizontal and 20° vertical beam adjustment
  • Built-in imager heater
  • Remote test station capable for electronic simulated smoke test from ground level
  • Status LED indicators visible from the front and bottom
  • Paintable housing/cover
  • Removable plug-in terminal blocks
  • Optional heater kit available for the reflector


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FS-OSI-RI and FS-OSI-RIA; Intelligent Single-ended Reflective Imaging Beam Smoke Detector


Notifier - Data Sheet

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