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The instrument used to measure humidity is known as a hygrometer. Hygrometers may be used to measure the relative humidity or absolute humidity in the air. More »

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The instruments that measure water vapor content in the air are called a hygrometer and psychrometer. Water vapor is water suspended in the atmosphere in the form of an invisible gas. Humidity is the measure of water vap... More »

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The actual humidity in terms of the water content of air is typically expressed as grams per kilogram or kilogram per kilogram. Humidity is typically expressed as a percentage of how humid it could physically be at a giv... More »

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There are different tools available to help measure humidity, including a hygrometer, a hygrograph and a sling psychrometer. Each separate tool that measures humidity does so on a different scale. More »

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A psychrometer is a simple form of hygrometer used to measure the level of humidity in the atmosphere. It has a dry-bulb thermometer and a wet-bulb thermometer that work together to measure atmospheric humidity. The dry-... More »

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A hygrometer measures humidity, or the amount of water vapor present in the air. Hygrometers are standard tools for weather forecasters, providing information about the potential for precipitation. They are also vital pa... More »

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People are most comfortable whenever the relative humidity level is around 45 percent says HowStuffWorks. A level of 100 percent humidity means that the air is saturated with water vapor and unable to hold more. When thi... More »

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