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In a system of moist air, the ratio of the mass of water vapor to the total volume of the system. Usually expressed as grams per cubic meter (g/m3).
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An instrument whose calibration can be determined by means of simple physical measurements on the instrument. Compare to secondary instrument.
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All (not just 98%) particles larger than the stated micron size have been removed from the fluid being filtered.
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The temperature of a body referred to the absolute zero, at which point the volume of an ideal gas theoretically becomes zero. (Fahrenheit scale is minus 459.67
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Is the force in newton required to move a fluid layer of one square meter area and a thickness of one meter with a velocity of one meter per second.
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A hypothetical temperature characterized by a complete absence of heat and defined as 0 K, -273.15 C, or -459.67 F.
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A material that extracts one or more substances from a fluid (gas or liquid) medium on contact, and which changes physically and/or chemically in the process. The less volatile of the two working fluids in an absorption cooling device.