The OSI-RE-SS is a reflector- sort linear optical beam smoke detector built to work for a ingredient of fire alarm devices. The beam operates primarily on the basic principle of sunshine obscuration utilising an Infra-Crimson beam. Facts Sheet Sorry, the merchandise you are searhing for is no longer Lively. Be https://letsbookmarkit.com/story18509774/a-review-of-conventional-beam-detectors