![Page 1: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/1.jpg)
SMOKE DETECTORS
Greg Miller
![Page 2: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/2.jpg)
Three Basic Types
Optical
Ionization
Air-Sampling
![Page 3: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/3.jpg)
Optical and Optical Beam
Optical Source (Incandescent or LED) Lens Optical sensor (photodiode)
Optical Beam Light Intensity Large Open Room
![Page 4: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/4.jpg)
Ionization
![Page 5: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/5.jpg)
Aspirating Smoke Detectors
Even Sample Distribution
Solid State Laser
Auto Fire Response
Extremely Accurate
Multiple Response Levels
![Page 6: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/6.jpg)
Aspirating Smoke Detector
![Page 7: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/7.jpg)
Comparison
Type of Detector Obscuration Level
Ionization 2.6-5.0 % obs/m
Photoelectric 6.5 - 13.0 % obs/m
Beam 3 % obs/m
Aspirating 0.005-20.5 % obs/m
![Page 8: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/8.jpg)
Application
![Page 9: Greg Miller. Three Basic Types Optical Ionization Air-Sampling](https://reader036.vdocument.in/reader036/viewer/2022072013/56649e455503460f94b39f7c/html5/thumbnails/9.jpg)
References http://extension.missouri.edu/explore/images/g019
07art03.jpg http://simsburyfire.org/Pages/FMO/Images/ionizati
on.jpg
http://en.wikipedia.org/wiki/Optical_beam_smoke_detector
http://en.wikipedia.org/wiki/Photodiode http://en.wikipedia.org/wiki/File:Smokealarm.JPG http://xtralis.com/misc/VESDA-Detector-Face.jpg http://
img.alibaba.com/photo/112472225/AIR_Intelligence_Aspirated_Smoke_Detection.jpg
http://rodentstrobe.com/housefire.jpg