The OSI-RE-SS is actually a reflector- style linear optical beam smoke detector intended to run to be a element of fire alarm techniques. The beam operates totally on the theory of sunshine obscuration utilising an Infra-Red beam. OSI-R-SS is often a four-wire conventional reflector-sort linear optical beam smoke detector to https://social-medialink.com/story3942103/conventional-beam-detectors-fundamentals-explained