Apollo Intelligent Base Mounted IR³ Flame Detector (55000-024APO)

The Apollo Intelligent Base Mounted IR³ Flame Detector is designed to protect all indoor areas, even in dirty or smoky conditions where open flaming fires may be expected. The detector has three IR sensors that respond to different IR wavelengths in order to discriminate between flames and spurious sources of radiation.

Operation

The Detector is sensitive to low-frequency, flickering infra-red radiation emitted by flames during combustion. Since it responds to flickering radiation the Detector can operate even if the lens is contaminated by a layer of oil, dust water-vapour or ice. The Detector is set to respond to low-frequency radiation at 1−15Hz (0.75−2.7μm) in order to detect all flickering flames, including those invisible to the naked eye, e.g. those emitted by hydrogen fi res. The Detector has three IR sensors that respond to different IR wavelengths in order to discriminate between flames and spurious sources of radiation. False alarms due to factors as flickering sunlight are avoided by a combination of filters and signal processing techniques.

Electrical Description

The Intelligent Base Mounted IR³ Flame Detector is loop powered and needs no external supply. A remote LED alarm indication may be connected to the flame detector.

Application

IR³ Flame Detectors are used when detection is required to be unaffected by convection currents, draughts or wind; tolerant of fumes, vapours, steam, dust and mist, responsive to a flame more than 25m away and fast reacting.

Backward Compatibility

The Detector operates only with control equipment using the Apollo XP95 or Discovery digital protocol (or any development of it).

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