Iso 5659-2 Pdf ~upd~ -
Remember: In a fire, people don't die from heat alone. They die from smoke you couldn't see through. gives you the tool to measure and mitigate that risk.
The core of the measurement lies in a photometric system. A light source (lamp) and a detector are placed opposite each other across the diameter of the smoke box. As the material decomposes and releases smoke, the beam of light is attenuated (scattered and absorbed) by the smoke particles. Iso 5659-2 Pdf
The test procedure involves the following steps: Remember: In a fire, people don't die from heat alone