Home

ISO 4677-2:1985
Subscribe to updates

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

This standard was last reviewed* in 2008.

*ISO standards are reviewed every five years.

Abstract

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 %.

 

Related standards

Format
  • PDF

    This format preserves the paper layout, and is watermarked

  • EPUB

    This format allows documents to be read on tablets and smartphones

  • COLOUR PDF

    Enhanced user-friendly colour PDF format

  • REDLINE

    See any updates made from previous versions at a glance

  • PAPER

    Normally A4 size documents. Shipping costs apply

Language
PDF
Paper

Swiss francs CHF 58

Add to basket

Contact customer services

Send your enquiry by email
or call us on +41 22 749 08 88
09:00 – 12:30, 14:00 – 17:00 (UTC+1).