EN50267-2-2 Common test method for cables under fire conditions-Tests on gases evolved during combustion of materials form cables-Part 2-2:Procedures-Determination of degree of acidity of gases for materials by measuring PH and conductivity.
EN 50267-2-2 电缆在着火条件下的一般测试方法，在电缆材料燃烧时产生的气体的测试，第2-2部分：程序，通过测量PH值和电导率来测定材料燃烧产生的气体的酸度。

EN 50267-2-2电缆材料酸度测试 – 标准概述

EN 50267-2-2规定了通过测量pH值和电导率来测定电缆线或光缆材料燃烧过程中产生的气体的酸度的测试方法和程序。

Scope:

EN 50267-2-2 specifies the test method and procedure for the determination of the degree of acidity of gases evolved during the combustion of materials taken from electric or optical cables by measuring pH and conductivity.

NOTE The relevant cable standard should indicate which materials from the cable should be tested.

EN 50267-2-2电缆材料酸度测试 – 相关标准

EN 60754-1: Test on gases evolved during combustion of materials from cables. Part 1. Determination of the halogen acid gas content
EN 60754-1: 测试电缆材料燃烧过程中产生的气体。第1部分：卤素酸性气体含量的测定

EN 60754-2: Test on gases evolved during combustion of materials from cables. Part 2. Determination of acidity (by pH measurement) and conductivity
EN 60754-2:测试电缆材料燃烧过程中产生的气体。第2部分：测定酸度和电导率

EN 60754-3: Test on gases evolved during combustion of materials from cables. Measurement of low level of halogen content by ion chromatography
EN 60754-3: 测试电缆材料燃烧过程中产生的气体。离子色谱法测定低水平卤素含量