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Model 121 - Smoke Detector


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The Model 121 smoke detector is designed for the early detection of fire with in a confined public place. Mounted on the roof of a passenger rail car, this instrument it utilizes our well-proven technique of the light absorption across a fixed measuring path. Extensively tested for vibration and the unique conditions of rolling stock, the instruments have been successfully operating inside the roll-on-roll-off passenger trains operated by Eurotunnel for over 15 years
› High accuracy and stability is maintained over long periods


Low maintenance - limited to cleaning of optics
› Robust units fully sealed to IP68


Low cabling requirements
› Modular construction and simple installation


Certified for vibration, shock and electric & magnetic fields
Model 121 Smoke Detector  

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