EN 50267-2-3-1998 着火条件下电缆通用试验方法.电缆材料燃烧过程中放出气体的试验.第2-3部分:试验程序.通过测量Ph值和传导性的加权平均值测定气体酸度
Common Test Methods for Cables under Fire Conditions - Tests on Gases Evolved During Combustion of Materials from Cables - Part 2-3: Procedures - Determination of Degree of Acidity of Gases for Cables by Determination of the Weighted Average of pH and Con