The OSI-RE-SS is often a reflector- sort linear optical beam smoke detector designed to run as being a ingredient of hearth alarm units. The beam operates primarily on the basic principle of light obscuration utilising an Infra-Pink beam. OSI-R-SS is actually a four-wire conventional reflector-kind linear optical beam smoke detector https://seolistlinks.com/story19893821/5-easy-facts-about-conventional-beam-detectors-described