Some questions about hygrometers
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1. How is a hygrometer connected to the system to participate in calculations? Generally, 40%-70% requires a high level of precision. 2. Does a hygrometer measure volume percentage or mass percentage, or does it vary depending on the measurement principle used? Welcome to all the experts who are willing to offer guidance
(Baidu results) A physical property analysis instrument for measuring gas humidity. Humidity refers to the amount of water vapor in a gas, and it can be expressed in two ways: absolute humidity and relative humidity. Absolute humidity refers to the absolute amount of water vapor in a gas, with the most commonly used unit being grams per cubic meter. At a certain temperature and pressure, there is a limit to the amount of water vapor per unit volume, which is known as the saturated water vapor content. Relative humidity refers to the ratio of the absolute amount of water vapor in a gas to the amount of saturated water vapor that would be present in the same volume of gas at the same temperature and pressure; it is commonly denoted by %R.H. Humidity meters have a wide range of applications; for example, in processes such as the smelting of ultra-pure metals, textile processing, papermaking, and dyeing, as well as in food storage and meteorological measurements, humidity meters are often used to measure or control the humidity of air or gases in industrial processes.