ISO 649-1:1981 PDF
Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification
Open preview (PDF)Laboratory glassware — Density hydrometers for general purposes — Part 1: SpecificationTitle (English):
ISO 649-1:1981
Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 11
- Publication date:
- August 1, 1981
- Edition:
- ISO IS 649 edition 1 version 1
- ICS:
- 17.060
Description (English):
The requirements for basic series and sub-series of glass hydrometers of constant mass without built-in thermometer are specified. They are graduated to indicate density at 20 degrees centigrade and 15 degrees centigrade, respectively. Standard categories of surface tension are tabled in annex A, recommended stem diameters in annex B.
Technical details
- Technical committee
- ISO/TC 48/SC 4 - Density measuring instruments
- SKU
- ISO 649-1:1981
