16 en | System Overview AVIOTEC IP starlight 8000
2019.01 | 10 | F.01U.318.200 Operation manual Bosch Sicherheitssysteme GmbH
Smoke plumes must move in a constant direction with a minimum density to be detected by
the video-based fire detection. Irregular expanding smoke and smoke plumes moving in the
direction of the camera might not be detected.
The intelligent smoke detection covers a large area of application. Nevertheless, there might
be some disruptive factors in the operational environment of the customer. Objects with a
similar movement pattern of smoke might cause false alarms, e.g. escalators or conveyor
belts.
Smoke density
A minimum smoke density is required to identify the smoke plume.
The smoke density is described as the decrease of a local image contrast with the presence of
smoke as seen in the following graphic:
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