What is Hygrometer?
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A hygrometer is an instrument used to measure the amount of water vapor in air, in soil, or in confined spaces. Humidity measurement instruments usually rely on measurements of some other quantities such as temperature, pressure, mass, a mechanical or electrical change in a substance as moisture is absorbed.
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What is Hygrometer?
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A hygrometer is a device used to test the humidity in a room. Some hygrometers will show the percentage of moisture in the air (the relative humidity) or the actual amount of water vapor in the air (the absolute humidity).
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