标准号:ISO 387-1977
中文标准名称:密度计 结构和校准原则
英文标准名称:Hydrometers; Principles of construction and adjustment
标准类型:N51
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:N51
国际标准分类号:71.040.20
适用范围:Glass hydrometers of constant mass which do not incorporate a thermometer are considered. Basis of scale, reference temperature, surface tension and reference levels for adjustment and reading are specified. In annex A the standard categories of surface tension are tabled, and annex B deals with the adoption of density as preferred basis of scale.