标准号:ISO 650-1977
中文标准名称:相对密度60/60°F的通用密度计
英文标准名称:Relative density 60/60 degrees F hydrometers for general purposes
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:The requirements for five series of glass hydrometers concern reference levels for adjustment and reading, materials, dimensions, form, scale and handling. The annexes deal with standard surface tensions, stem diameters and meniscus corrections.