ISO 4677-1:1985

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.


General information

  • Current status : Withdrawn
    Publication date : 1985-10
  • Edition : 1
  • :
    ISO/TMBG
    Technical Management Board - groups
  • 19.020
    Test conditions and procedures in general

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