![]() In the offices, such a device with display can also be used to regulate the air humidity by means of the ventilation behavior. With the help of the device data, the tenants can heat and ventilate in accordance with the situation and thus prevent condensation and mold growth. Some housing companies offer their tenants such a dewpoint thermometerwith display and mold warning when moving in or in case of moisture damage. With a mobile dewpoint meter, inspections, for example, in dwellings or office buildings room after room, can be carried out. When searching for a dew point measuring device, make sure that both the measuring range for the air temperature and the measuring range for the dew point temperature are suitable for your application. Some devices can only measure air temperatures from 0 ☌ to 50 ☌, the others have a temperature measuring range from -40 ☌ to 70 ☌. The range of dew point temperatures that can be determined internally by the dewpoint thermometer is usually limited by the measuring range of the temperature and the evaluation function stored in the device. The air humidity is usually measured as relative humidity from 0 to 100 percent or from 5 to 95 percent. The dew point thermometer is therefore a thermohygrometer with a stored algorithm for determining the dew point temperature. The dew point is then determined in the device from both values. Measuring ranges of the dewpoint thermometer To determine the dew point, the dew point measuring instrument must be able to register the temperature and humidity content of the air. Then it must be checked whether the endangered areas can be heated or whether it is possible to switch to moisture-insensitive materials. In some cases the change of temperature and humidity of the air is not possible or not desired. These are the two values that the room user can usually influence by heating and ventilating. It is helpful that the dew point thermometer always measures the air temperature and humidity to determine the dew point temperature. Dew point thermometers are often used to exclude condensation as a cause of moisture damage in buildings. If you determine with a dewpoint meter that there is a risk of condensation, you can either raise the temperature above the dew point or lower the humidity. To be able to take remedial action in critical areas at an early stage, dew point thermometerrs are used. The endangered materials often absorb the moisture, so that the moisture on the surface can only be detected when discoloration has already developed. Uncontrolled moisture ingress can lead to mold growth and other damage to building components, interior decoration and stored materials. The temperature from which the condensation water precipitates is called dew point temperature or dew point. If you know the temperature and moisture content of the air, you can determine the minimum temperature of surfaces to prevent the condensation formation on them. Whether the condensation occurs depends on how much water vapor is contained in the air and how far the air is cooled down. Also on cold water pipes that lead through warmer areas and on tiles, windows and mirrors in bathrooms, condensation is often visible after showering. For example, the lenses of the glasses can fog up when you come from the cold into the heated rooms. ![]() It is not necessary to cool down the entire air, it is sufficient that the air passes by small cold surfaces. Since warm air can absorb more moisture than cold air, condensation or condensation water is formed when the humid air is cooled down. Other names for this liquid formed from the humidity in the air are condensate or condensation water. Condensation water, on the other hand, is the water that settles as the liquid on the inner side of tents or on cool glass or metal. Dew drops are the visible drops of water that can often be seen on the grass in the morning, even when it has not rained. On the other hand, the water that has become liquid from the gaseous phase is also called dew or condensation. The term thawing stands for the transition from the solid to the liquid phase. For the transition from one state to the other, there are the generally used terms freezing, thawing, evaporation, evaporation. These observations have not been quality controlled.Everyone knows the three states of aggregation of water: solid, liquid and gaseous. Station names link to data for the previous 72 hours. Where no observation is available within the last 75 minutes, the latest observation is shown in italics and coloured and removed from the table after 30 hours.
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