标准摘要
[中文适用范围]： 考虑使用不带温度计的恒质量玻璃比重计。 规定了调整和读数的刻度基础、参考温度、表面张力和参考水平。 附件 A 列出了表面张力的标准类别，附件 B 涉及采用密度作为尺度的首选基础。 [外文原描述]： 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.
英文名称Hydrometers — Principles of construction and adjustment