Optical beam smoke detectors are specially suitable for shielding properties with substantial open up Areas for instance warehouses, atriums and many others. OSI-R-SS is often a 4-wire conventional reflector-sort linear optical beam smoke detector to be used in fire alarm techniques. The beam operates totally on the principle of light https://loanbookmark.com/story18636286/the-fact-about-conventional-beam-detectors-that-no-one-is-suggesting