The OSI-RE-SS is a reflector- style linear optical beam smoke detector built to function as being a ingredient of hearth alarm methods. The beam operates totally on the theory of light obscuration utilising an Infra-Pink beam. OSI-R-SS is really a four-wire conventional reflector-sort linear optical beam smoke detector for use https://socialmphl.com/story20479760/5-essential-elements-for-conventional-beam-detectors