Il-prinċipju tal-kejl tal-igrometru
In the measurement method, humidity is defined as the "quantity of the physical state". The humidity referred to in daily life is relative humidity, expressed in RH percent . In short, it is the percentage of saturated water vapor (saturated water vapor pressure) in a gas (usually air) that contains the same amount of water vapor (water vapor pressure) as its air.
L-umdità kienet relatata mill-qrib mal-ħajja għal żmien twil, iżda huwa diffiċli li tesprimiha fil-kwantità. Hemm umdità assoluta, umdità relattiva, punt tan-nida, il-proporzjon ta 'umdità għal gass niexef (piż jew volum) eċċ.
