BS 2742M-1960 小型煤烟浓度表

标准号：BS 2742M-1960
中文标准名称：小型煤烟浓度表
英文标准名称：Miniature smoke chart
标准类型：Z15
发布日期：1960/8/15 12:00:00
实施日期：1960/8/15 12:00:00
中国标准分类号：Z15
国际标准分类号：13.040.40;91.060.40
适用范围：A chart, printed in shades of grey matt lacquer, which when held at about 5 ft from the observer gives readings of the density values of smoke from chimneys. These are comparable with those obtained from the BS Ringelmann Chart (BS 2742C). The method of use is explained in BS 2742.