The OSI-RI is an intelligent addressable reflector-type linear optical beam smoke detector that is uniquely suited for protecting large open areas with high ceilings, where spot-type smoke detectors are difficult to install and maintain.
This conventional, single-ended beam smoke detector is easy to install - only one side needs to be wired.
Open-area smoke imaging detection emitters (OSIDs) are a new innovation in projected beam smoke detection technology using advanced dual wavelength projected beams and optical imaging technology for early warning smoke detection.
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