Optical (Light) Scatter
•
Term used to describe the behaviour of light when it
hits solid particles.
•
Light beam is deflected by the particle
•
Result is a number of beams in various directions.
•
Different particles present different scatter patterns.
•
Dual Optical, O2, uses both forward & backward
scatter data ratio
Principles of Dual Optical (O
2
) Sensor
Aerosol
particles
IR
Receive
r
IR
Emitter
Forwards Angle
Light Scatter
IR
Emitter
Aerosol
particles
IR
Receive
r
IR
Emitter
Backwards
Angle
IR
Emitter
Aerosol
particles
IR
Receive
r
IR
Emitter
= Dual Optical or O
2
Sensor
1. Standard Optical detection
+
Summary of Contents for Gent Compact Plus
Page 1: ...Vigilon Plus Basic Commissioning Training ...
Page 4: ...Vigilon Plus 4 6 Loop Panels ...
Page 16: ...Compact Plus 2 loops ...
Page 21: ...Your Turn Power Up ...
Page 24: ...INFO STATUS CARD Card Status Type in a card number in the range of 0 15 ENTER ...
Page 26: ...Vigilon System Loop Architecture ...
Page 27: ...Main Loop PRESS HARD TO PRESS HARD TO Vigilon System Loop Architecture L1 End 1 L2 End 2 ...
Page 30: ...Soft Addressing ...
Page 36: ...SAFE Addressing ...
Page 44: ...Analogue Detection ...
Page 49: ...Digital Outputs and Analogue Channels On Off low tone Hi tone ...
Page 61: ...Site Information ...
Page 63: ...Labelling ...
Page 67: ...Zones ...
Page 74: ...Condition Code Analysis Subfault Exception BS panel V3 EN54 panel V4 ...
Page 76: ......
Page 93: ... Other Panel Functions ...
Page 105: ...VigInSite ...
Page 112: ...Loop Diagnostic Tool LDT ...
Page 119: ...LDT Earth Fault Earth fault Detected Click to Locate Earth fault The Loop will now reallocate ...
Page 120: ...LDT Earth Fault ...
Page 122: ...LDT Reports cont Extracts from an Engineer report ...
Page 123: ...EN54 Part 23 Overview ...
Page 126: ...Wall Mounted VADs CEILING MOUNTED C 6 16 16m ...