What does dew point measure

The dew point temperature is a measurement of the water vapor content in a gas. If air is compressed or expanded, its dew point temperature changes. If air is compressed, it is able to absorb less water and the dew point rises until the air is saturated and begins to condense. In this connection, the term pressure dew point measurement is also used to describe measurement of the dew point in gases above the ambient temperature.

This means that the air is extremely dry and contains almost no water molecules. This shows why low dew point measurement is very demanding. Very complex electronics and a highly sensitive sensor are needed to deliver high-quality results in the measurement of residual moisture.

Over the past couple of decades, though, the relative humidity has started to fall by the wayside in favor of the dew point. The dew point is a much more useful measure of how much moisture is in the air, but how does it relate to relative humidity? The amount of water vapor in the air can dictate what kind of weather we see and how comfortable we are once we step outside. At the equilibrium, otherwise known as the saturation point, water molecules are entering and leaving the condensed state at the same rate.

Dew point sensors condensation monitors are used in building technology to assess the risk of condensation forming, on climate-control ceilings, in pipelines or control cabinets, for example, before it results in damage. Early detection of condensation on surfaces and pipelines e. Mobile, selective dew point measurement hand-held meter in the HVAC sector. Dew Point Transmitters For dew point measurement of very low dewpoints. Monolithic dewpoint sensor for very high measurement accuracy.

Condensation Monitor Dewpoint monitor prevents reliably condesation on pipes or plane surfaces. Dew Point Sensors for Compressed Air Systems and Industrial Drying Processes The dew point temperature plays an important role in compressed air systems and industrial drying processes, in particular.

Excessive humidity in the compressed air or pipeline system can have costly consequences for process reliability, system availability and product quality. It can be mounted on plane surfaces and pipelines up to a diameter of 50 mm.

With an extensive probe library, it enables mobile measurement of a total of 23 physical quantities, including dew point temperature. More about accredited calibration of dew point sensors ». This website uses cookies We use cookies to adapt the website to your needs and to offer special features to you.

By using our website, you agree to it. Further information on cookies can be found in our privacy policy. Allow only required cookies Allow all cookies. Dew Point vs Humidity Weather. Current Hazards. Local Radar. Rivers and Lakes. Climate and Past Weather. Dew Point vs. General comfort levels USING DEW POINT that can be expected during the summer months: less than or equal to dry and comfortable between 55 and becoming "sticky" with muggy evenings greater than or equal to lots of moisture in the air, becoming oppressive.