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Smoke detection for early fire detection in road tunnels

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Every minute counts in a tunnel fire: Because the concentration of soot particles increases faster than the temperature, optical sensors can detect a fire very early. The VISIC50SF tunnel sensor uses the scattered light method with protected measurement volume. It is able to achieve such high reliability that its alarms are processed automatically.

  • Following product families can be used
    Product family VISIC50SF
    Early and reliable fire detection in tunnels
    • Visibility (K value) measured according to the scattered light measurement principle
    • Highly available – no moving parts
    • Quick and reliable smoke detection
    • Software developed in accordance with EN 61508 (SIL1)
    • Low faulty alarm rate
    • IP 6K9K enclosure rating thanks to a rugged stainless-steel housing
    • Fog evaporation through integrated heating element (optional)
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