Psychrometer

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Sling Psychrometer

Description

A wet-and-dry bulb hygrometer used to measure temperature and humidity. Psychrometers are composed of two similar thermometers setup with one bulb is kept wet (with a wick immersed in water) while the other bulb is dry. Evaporation causes the wet bulb to be cooler than the dry bulb. The two temperature readings are compared to psychrometric tables to determine the relative humidity and dew point temperature of the air.

Digital Psychrometer

Synonyms and Related Terms

"Aspirationspsychrometer (Deut.); pshchromètre (Fr.); wet-and-dry bulb hygrometer; sling psychrometer;

Sources Checked for Data in Record

  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Caring for your Collections, Arthur W Schulz (ed.), Harry N. Abrams, Inc. , New York, 1992
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • A Glossary of Paper Conservation Terms, Margaret Ellis (ed.), Conservation Center of the Institute of Fine Arts, New York City, 1998
  • Encyclopedia Britannica, http://www.britannica.com Comment: "psychrometer" Encyclopædia Britannica [Accessed September 6, 2002].