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ISO 4677-1:1985 PDF
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Atmospheres for conditioning and testing — Determination of relative humidity — Part 1: Aspirated psychrometer method
The method specified applies for temperatures within the range from 5 to 80 °C. The property is determined with an uncertainty either not exceeding 3 % r. h. or not exceeding 3 % r. h., depending on the uncertainty in the value obtained for the wet-bulb temperature depression and on whether or not the dry-bulb temperature exceeds 40 °C.
| Edition | 1985 |
|---|---|
| Standard Part No | 1 |
| Published Date | 1985 |
| Published By | International Standardization Organisation |
| Page Count | 10 |
