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ISO 4677-2:1985
M00001823
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ISO 4677-2:1985 Atmospheres for conditioning and testing -- Determination of relative humidity -- Part 2: Whirling psychrometer method
standard by International Organization for Standardization, 10/01/1985
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The method specified applies for temperatures within the range from 5 to 80 C. The property is determined with an uncertainty not exceeding 3 % r. h. The method is restricted to wet-bulb temperatures not lower than 1 C, dry-bulb temperatures not higher than 80 C, and pressures not differing from standard atmospheric pressure by more than 30 %.