ISO 650:1977 PDF
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Relative density 60/60 degrees F hydrometers for general purposes
The requirements for five series of glass hydrometers concern reference levels for adjustment and reading, materials, dimensions, form, scale and handling. The annexes deal with standard surface tensions, stem diameters and meniscus corrections.
| Edition | 1977 |
|---|---|
| Published Date | 1977 |
| Published By | International Standardization Organisation |
| Page Count | 8 |
