File:Fse-smoke-detector-v3.svg

Fse-smoke-detector-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 5 KB)

Summary

Optical-density response depends on smoke type. Based on Schifiliti, Meacham, and Custer (2002), p. 4-24.

Diagram for the article Smoke detector (Fire Safety Academy wiki, level 1 Basic).

Source basis: Schifiliti, Meacham, and Custer (2002), p. 4-24; Mulholland (2002), pp. 2-267–2-268 for optical-density testing context
Alt text: Grey cotton-wick smoke 0.029 and kerosene smoke 0.15 per metre as response examples.

New drawing by Fire Safety Academy. © Fire Safety Academy.

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	Date/Time	Dimensions	User	Comment
current	16:00, 2 November 2026	900 × 600 (5 KB)	Sanne (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity
	09:03, 2 November 2026	900 × 600 (5 KB)	Sanne (talk \| contribs)	Add modest Fire Safety Academy logo-icon watermark
	08:18, 2 November 2026	900 × 600 (3 KB)	Sanne (talk \| contribs)	Upload fse-smoke-detector-v3.svg: diagram for Smoke detector (level-1 visual plan V3)

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Short title	Grey cotton-wick smoke 0.029 and kerosene smoke 0.15 per metre as response examples.
Image title	Horizontal bar chart of the optical density at which one example scattering-type detector responded: 0.029 per metre for grey cotton-wick smoke and 0.15 per metre for kerosene smoke. At these values both smokes scatter the same amount of light to the receiver; they differ in colour and reflection. Source example only, not universal thresholds.
Width	900
Height	600