The OSI-RE-SS is usually a reflector- style linear optical beam smoke detector built to run like a element of hearth alarm programs. The beam operates totally on the theory of sunshine obscuration utilising an Infra-Purple beam. OSI-R-SS is often a four-wire conventional reflector-style linear optical beam smoke detector to be https://socialtechnet.com/story4002459/details-fiction-and-conventional-beam-detectors