A hygrometer is a weather instrument used for measuring humidity. You can measure the amount of water vapor present in the air, soil, or any other confined space using a hygrometer. Our atmosphere goes through the continuous process of condensation and evaporation. That results in the formation of water vapor in the atmosphere also known as humidity.
Humidity can be measured as either absolute humidity or relative humidity. Absolute humidity is the amount of water vapor present per unit volume of air. On the other hand, relative humidity is the ratio between the amount of moisture present in the atmosphere and the maximum amount of moisture the atmosphere can hold.
Why it is important to measure the humidity:
Favorable humidity is linked with human health and well-being. The wrong humidity level is responsible for sleepiness, lethargy, and severe exhaustion. Not only our health but also our homes and offices are very likely to be affected by frequently fluctuating atmospheric humidity. So it’s very important to keep the track of humidity levels both inside and outside of your living space.
Different types of hygrometers and how they work:
The most basic and simplest version of a hygrometer is a psychrometer. Psychrometers contain two basic mercury thermometers, the first one with a wet bulb and another one with a dry bulb. Readings by both of the thermometers are compared to calculate the relative humidity.
A typical mechanic hygrometer normally uses organic material, preferably human hair. Expansion and contraction occur in that organic material due to the atmospheric humidity around it. A spring holds the material with slight tension. The needle gauge linked to the whole apparatus indicates the changing humidity caused by the movement of the organic material.
What is a hygrometer used for:
Ambient humidity has a great effect on your living area, workplace, and so many other activity spaces. Let’s take a brief look at how this instrument has been serving to make our lives better.
- Tracking the weather: That’s probably the best use of a hygrometer. The readings of a hygrometer on absolute humidity, relative humidity, and dew point are used as essential indicators to predict the weather. Would it be sunny, foggy, or rainy – many presumptions can be drawn based on it. However average people may or may not need the daily weather forecast, but for the people whose movement and outdoor activities widely depend on the weather, a hygrometer would be something to count on.
- Tracking the humidity of houses and offices: The relative humidity of indoors is deeply connected to how much you are going to use the cooling or heating system of your house. A hygrometer can help you to find the perfect balance of humidity indoors. Too much humidity can cause excessive sweating. On the other hand, lower humidity causes dryness of your skin. Especially if you have an infant or toddler in the house, keeping the humidity ambient is a must. In the case of officers and workplaces, humidity has a great impact on productivity. An uncomfortable workplace can make the employees tired and fatigued very easily. So to improve the air quality monitoring the indoor humidity is a must.
- Protecting museums, vintage shops, and art galleries: Old artworks, monuments, and books are very delicate. Since they have been recovered already in a vulnerable state, the preservation space should also be very precisely prepared. Hygrometer helps in maintaining that favorable environment for the safety of the artifacts. It also hinders the growth of mold and mildew.
- For preserving wooden musical instruments: If left exposed, wood and wooden articles tend to absorb moisture from the air. Musical instruments made of wood require a certain density and texture of the wood. In the presence of moisture in the air, the wooden part of the instrument swells up. A small amount of moisture in the air can destroy an expensive musical instrument. So hygrometer is often used in music shops and galleries to protect the instruments inside a favorable environment.
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- In children’s nurseries: Children are very sensitive to the wrong temperature and humidity. It is recommended to maintain 68 to 72 degrees temperature on the Fahrenheit scale and 30% to 40% humidity inside a children’s room. Without a hygrometer the wrong humidity level inside a closed space can cause irritation in the skin, breathing distress, mold attacks, etc. All of these are very harmful to babies.
Therefore, you shouldn’t think twice before buying a hygrometer considering the versatile uses of this instrument.