EN 50268：在燃烧条件下电缆通用测试方法－在规定条件下电缆燃烧烟密度测量
日期:2010-05-13 00:00
bundled as required, they are placed onto the specimen stand and an alcohol fuel source is placed below the test specimen. At
the start of the test the fuel is ignited.
The test is performed by monitoring the transmittance reduction of a white light beam, running from one side of the chamber to the other at a set height, thus monitoring the build up of smoke inside the chamber. A small fan is utilised inside the chamber to prevent the smoke building up in a layered effect and a draft screen i
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