The OSI-RE-SS is often a reflector- kind linear optical beam smoke detector meant to function to be a element of fireplace alarm programs. The beam operates totally on the theory of sunshine obscuration utilising an Infra-Crimson beam. On this page, additionally, you will locate online video tutorials for our flaw https://socialrus.com/story17821877/conventional-beam-detectors-things-to-know-before-you-buy