Bosch AVIOTEC IP starlight 8000 Operation And Commissioning Manual page 15

AVIOTEC IP starlight 8000
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:
Bosch Sicherheitssysteme GmbH Operation and Commissioning Manual
System Overview | en 15
2020.08 | 01 | F.01U.391.015