IS 9621-1980
Structure and adjustment principle of glass hydrometer

Standard No.

IS 9621-1980

Release Date

1981

Published By

IN-BIS

Status

Be replaced

Replace By

ISO/DIS 9621:1990

Latest

ISO/FDIS 9621:2024

Scope

This standard specifies principles for the construction and adjustment of glass hydrometers of constant mass which do not incorporate a thermometer.

IS 9621-1980 history

• 2024 ISO/FDIS 9621:2024 Space systems
• 1990 ISO/DIS 9621:1990 Space systems — Methods to decide thermal vacuum test cycles of recurring production according to precipitation efficiency and reliability
• 1981 IS 9621-1980 Structure and adjustment principle of glass hydrometer