ISO 4677-2:1985
Atmospheres for conditioning and testing; Determination of relative humidity; Part 2 : Whirling psychrometer method

Standard No.

ISO 4677-2:1985

Release Date

1985

Published By

International Organization for Standardization (ISO)

Latest

ISO 4677-2:1985

Scope

The method specified applies for temperatures within the range from 5 to 80 鳦. 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 鳦, and pressures not differing from standard atmospheric pressure by more than 30 %.

ISO 4677-2:1985 history

• 1985 ISO 4677-2:1985 Atmospheres for conditioning and testing; Determination of relative humidity; Part 2 : Whirling psychrometer method