COMMON TEST METHODS FOR CABLES UNDER FIRE CONDITIONS. TEST ON GASES EVOLVED DURING COMBUSTION OF MATERIAL FROM CABLES. PART 2: PROCEDURES. SECTION 3: DETERMINATION OF DEGREE OF ACIDITY OF GASES FOR CABLES BY DETERMINATION OF THE WEIGHTED AVERAGE OF PH AND CONDUCTIVITY.
火灾条件下电缆的通用试验方法 测试电缆材料燃烧过程中产生的气体 第2部分:程序 第3节:通过测定PH值和电导率的加权平均值来测定电缆用气体的酸度