BS EN 50267-2-2:1999 Common test method for cables under fire conditions-tests on gased evolved during combustion of materials form cables-Part 2:Procedures-Determination of degree of acidity of gased for materials by measuring PH and conductivity.
BS EN 50267-2-2:1999 着火条件下电缆的通用试验方法,电缆材料燃烧时产生的气体的试验,程序,通过测量PH值和传导率测定材料燃烧产生的气体的酸度。