The OSI-RE-SS is a reflector- variety linear optical beam smoke detector meant to run being a element of fire alarm units. The beam operates totally on the principle of sunshine obscuration utilising an Infra-Purple beam. Shut/span> You can not access this webpage as this merchandise is not really accessible within https://ez-bookmarking.com/story18526525/an-unbiased-view-of-conventional-beam-detectors