The OSI-RE-SS is a reflector- kind linear optical beam smoke detector meant to work as a component of fire alarm methods. The beam operates primarily on the principle of light obscuration utilising an Infra-Crimson beam. Info Sheet Sorry, the product or service you are seeking is no longer Energetic. You https://loanbookmark.com/story18630808/an-unbiased-view-of-conventional-beam-detectors