Hydrometers - Part 1: Density hydrometers
Edition 2018-01-22

Hydrometers - Part 2: Liquefied petroleum gases density hydrometers
Edition 2018-01-22

Alcohol hydrometers - Metrological and technical requirements and tests
Edition 2009-10-20

Hydrometers - Part 3: Specific gravity meters
Edition 2018-01-22

Standard Test Method for Dispersive Characteristics of Clay Soil by Double Hydrometer
Edition 2018

Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method)
Edition 2022

Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method
Edition 2012

Methods of testing soils for engineering purposes, Part 3.6.3: Soil classification tests - Determination of the particle size distribution of a soil - Standard method of fine analysis using an hydrometer
Edition 2020

Methods of chemical and physical testing for the dairying industry Liquid milks - Determination of density and estimation of solids-not-fat (SNF) - Hydrometer method
Edition 1990

Standard Test Method for Particle-Size Distribution (Gradation) of Fine-Grained Soils Using the Sedimentation (Hydrometer) Analysis
Edition 2021