psychrometric hygrometer

См. также в других словарях:

• Hygrometer — Not to be confused with hydrometer. A hygrometer (UK: /haɪˈɡrɒmɪtə/) is an instrument used for measuring the moisture content in the environmental air, or humidity. Most measurement devices usually rely on measurements of some other quantity …   Wikipedia

• психрометрический гигрометр — Ндп. психрометр Гигрометр, принцип действия которого основан на психрометрическом методе измерения, автоматическом вычислении величины влажности и представлении ее значения на отсчетном устройстве. [РМГ 75 2004] Недопустимые, нерекомендуемые… …   Справочник технического переводчика

• psychrometer — psychrometric /suy kreuh me trik/, psychrometrical, adj. /suy krom i teuhr/, n. an instrument for determining atmospheric humidity by the reading of two thermometers, the bulb of one being kept moist and ventilated. [1720 30; PSYCHRO + METER] * * …   Universalium

• Humidity — is the amount of water vapor in the air. In daily language the term humidity is normally taken to mean relative humidity. Relative humidity is defined as the ratio of the partial pressure of water vapor in a parcel of air to the saturated vapor… …   Wikipedia

• Relative humidity — is a measurement of the amount of water vapor that exists in a gaseous mixture of air and water. Estimating relative humidity The relative humidity of an air water vapor mixture can be estimated if both the temperature ( T ) and the dew point… …   Wikipedia

• psychrometer — noun Etymology: International Scientific Vocabulary Date: circa 1741 a hygrometer consisting essentially of two similar thermometers with the bulb of one being kept wet so that the cooling that results from evaporation makes it register a lower… …   New Collegiate Dictionary

• Water activity — or aw is a measurement of the energy status of the water in a system. It is defined as the vapor pressure of water above a sample divided by that of pure water at the same temperature; therefore, pure distilled water has a water activity of… …   Wikipedia

• Dry-bulb temperature — The dry bulb temperature is the temperature of air measured by a thermometer freely exposed to the air but shielded from radiation and moisture. Dry bulb temperature is the temperature that is usually thought of as air temperature, and it is the… …   Wikipedia

• psychrometer — /saɪˈkrɒmətə/ (say suy kromuhtuh) noun an instrument used to determine atmospheric humidity by the reading of two thermometers, the bulb of one of which is kept moistened and ventilated; wet and dry bulb hygrometer. {psychro (from Greek,… …