Minerva MR901T Addressable High performance Optical Smoke Detector (Reconditioned)
These detectors react to the whole range of fire products from slow smouldering fires, producing visible particles to open flaming fires producing large numbers of very hot smaller sized aerosols. It combines optical and heat detector technology to detect clear burning fire products which hitherto could only be easilly detected by ion-chamber detectors.
For normal ambient conditions, the high performance optical detector behaves as a normal optical detector. When a rapid rise in temperature is detected the sensitivity of the detector increases and the presence of smoke will confirm a fire condition which will be transmitted as an alarm level. The HPO will not operate on a rate of rise of temperature alone.
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