IS 3104 : Part 1 : 1982 Specification for Density Hydrometers - Part I : Requirements

1. Scope

1.1 This standard ( Part I ) specifies requirements for glass hydrometers having constant mass and graduated to indicate density ( kg/m3 or g/ml ) at 20°C.

NOTE - Hydrometers of Special sub-series ( see 0.4 and 4.2 ) shall be graduated to indicate density at either 20 or 15°C.

1.1.1 This standard does not cover hydrometers with built-in thermometers.