Bosch AVIOTEC IPSTARLIGHT 8000 Operation Manual page 17
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Also See for AVIOTEC IPSTARLIGHT 8000:
- Quick installation manual (80 pages) ,
- Operation and commissioning manual (70 pages) ,
- Planning manual (60 pages)
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AVIOTEC IP starlight 8000
The smoke density is described as the decrease of a local image contrast with the presence of
smoke as seen in the following graphic:
Figure 3.1: Smoke density definition
The effect of contrast reduction by smoke is described by the formula
with the contrast values for a temporal average image with smoke σ
background σ
Exemplary images for smoke densities are shown in the following table:
Bosch Sicherheitssysteme GmbH
σ
BG
.
bg
Operation manual
System Overview | en
σ
S
and the contrast for the
s
2017.06 | 6.0 | F.01U.318.200
17
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