FIRE SAFETY & DISASTER RECOVERY
IS MULTISENSOR
THE FUTURE OF FIRE DETECTION?
Since the 1990s, there have been serious discussions among fire safety experts on how to deploy Multisensor technology most effectively. Paul Pope, Head of
Systems Integration & Technical Support at Apollo Fire Detectors explains the importance of Multisensor detectors and how to make sure they detect, and alert to, real fires, whilst reducing false alarms.
By definition, Multisensor detectors house more than one sensor e.g. heat and optical sensors. They therefore have the ability to measure multiple fire phenomena and/ or different aspects of the same fire phenomenon. Combined, the readings can help to discriminate
24 | TOMORROW’S FM
between a genuine fire and a nuisance signal and then make the appropriate failsafe decision.
Multisensor detectors are not to be confused with multi-criteria detectors. Whereas Multisensors measure a number of fire phenomena, multi-criteria detectors
measure different parameters of one fire phenomenon, e.g. the heat of a fire over a certain length of time. Single sensor and Multisensor detectors will often include a multi- criteria decision making process as part of the algorithm to calculate the detector state.
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