Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Quantities characterising humidity in air
6 Recommendations relating to measuring
methods
7 Recommendations relating to measuring
instruments
8 Instrument calibration
9 Main features of the hygrometers
Annex A (informative) - Equations for computing
relative humidity and related variables
Annex B (informative) - Examples of environmental
diagnostics
Annex C (informative) - Instrumental errors
Bibliography