The OSI-RE-SS is actually a reflector- kind linear optical beam smoke detector made to operate to be a part of hearth alarm methods. The beam operates totally on the theory of light obscuration utilising an Infra-Red beam. OSI-R-SS is really a 4-wire conventional reflector-variety linear optical beam smoke detector for https://tripsbookmarks.com/story18620654/an-unbiased-view-of-conventional-beam-detectors