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OSID Receiver (Open-area Smoke Imaging Detection) with 7° coverage. A technological innovation in the field of linear optical detection. OSID uses a double light beam with two different wavelengths and a sensitive element capable of a wide "visual field": these features give the detector high operational reliability as well as simplify installation and alignment phases. Minimum detection coverage 30m. And maximum 150m. Three alarm thresholds. OSID is able to detect the attenuation caused by the presence of smoke particles on two different light beams emitted by an emitter located in the area to be protected. The imager has a sensitive element with an actual field of view. Temperature: -10 ° C to 55 ° C. Current consumption: nominal (24 V DC): 8 mA (1 emitter). Dimensions: 208 mm x 136 mm x 96 mm. Certificate (305/2011 / EU - CPR).