Hygrometer refers to an instrument which measures the water vapor content in the atmosphere ; there are several different means of transduction used in measuring this quantity and hence various types of hygrometers; these are: a) the psychrometer, which utilizes the thermodynamic method; b) the class of instruments which depends upon a change of physical dimension due to absorption of moisture (hair hygrometer, for example); c) those which depend upon condensation of moisture (dew point hygrometer); d) the class of instruments which depend upon the change of chemical or electrical properties due to absorption of moisture, and some others.

-see also:
"Hygrometers" is in the HS Code "9025"
  Hydrometers And Similar Floating Instruments, Thermometers, Pyrometers, Barometers, Hygrometers And

"Hygrometers" is in the UNSPSC Code "41112301"
Ref: 124129/2006-09-19

Other Database Pages Exist for this Phrase:
Hygrometer (Ein Hygrometer (Feuchtemesser) ist ein Instrument ...)
Hair hygrometer (Hair hygrometer refers to a type of an ...)

List of books: Hygrometers

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