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<p>Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity</p> <p><b>New page</b></p><div>== Summary ==<br /> Relative radiant power at the detector against distance in clear air, set to 1 at 40 m. Halving the distance gives four times the power. Based on Schifiliti et al. (2002), pp. 4-31 to 4-32.<br /> <br /> Original vector illustration for [[Flame detector]], level 2 Intermediate.<br /> <br /> * Source basis: Schifiliti et al. (2002), p. 4-31 (inverse square law) and p. 4-32 (40 m nominal detection distance in the hangar example)<br /> * Alt text: Falling curve of relative radiant power against distance from 10 to 60 m, equal to 1 at 40 m and 4 at 20 m.<br /> <br /> == Licensing ==<br /> New drawing by Fire Safety Academy. © Fire Safety Academy.</div>

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