hygrometer 

https://doi.org/10.1351/goldbook.H02914
Instrument used to measure the water vapour content of the atmosphere.
See: capacitance hygrometer, dew point hygrometer, electrical hygrometer, electrolytic hygrometer, frost point hygrometer, mechanical hygrometer, psychrometric hygrometer
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2195 [Terms] [Paper]
Citation: 'hygrometer' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.H02914 RIS BibTex EndNote
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Last revised: October 7, 2008