When it comes to air separation plants such as oxygen generators, people often hear the word dew point. Many people do not understand dew point, nor do they know what this indicator means in the equipment. Let me tell you within one minute.

When the weather is cold, water vapor will appear on the indoor windows; physical knowledge tells us that it is the condensation of the air when it is cold. In other words, the unsaturated water vapor in the air will be precipitated after the temperature drops to a certain extent. Assuming we continue to lower the outdoor temperature, we will find that even in drier air, there is still moisture on the windows. Therefore, the so-called dew point refers to the temperature at which the water vapor in the gas reaches a saturated state. It is a measure of the absolute humidity of the gas, and the unit is °C.

The dew point value of the measured gas can be measured with a professional dew point meter. Generally speaking, the lower the dew point, the drier the air.