IS 12950 : 2023 Battery Hydrometer - Portable Syringe Type for Lead-Acid Batteries - Specification
Revised Standard from Last Update.
1. SCOPE
This standard prescribes requirements and methods of sampling and test for battery hydrometers meant for checking the condition of a storage battery by determining the density of its electrolyte.
2. REFERENCES
The standards listed below contain provisions which through reference in this text, constitute provisions of and necessary adjuncts to this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the listed below:
IS 1382 : 1981 Glossary of terms relating to glass and glassware (first revision)
IS 3104 (Part 1) : 1982 Specification for density hydrometers: Part 1 Requirements (first revision)
IS 4426 : 1992 Methods of sampling laboratory glassware and medical glass instruments (first revision)
IS 4825 : 1982 Specification for liquid-in-glass solid - Stem reference thermometers (first revision)
IS 4905 : 2015 Random sampling and randomization procedures (first revision)