Numerous physical, chemical, and biological processes are affected by the presence or absence of water vapor in air or other gases. Numerous industries value humidity measures, and for some, they are a crucial factor in terms of business costs, product quality, health, and safety. Humidity can be measured in a variety of ways. In comparison to many other types of measurement, humidity is a comparatively challenging number to determine with less accuracy. For instance, by weighing objects in a standard laboratory to an accuracy of one part in 100000, it is possible to decide on their mass. Similar to how air pressures can frequently only be measured to three parts per hundred, there is uncertainty in the outcome of ± 3%.