What is a hygrometer? It’s an instrument that measuresrelative humidity, or the amount of moisture, in the air. In a moment, we’llexplain how does a hygrometer work, but first, why would you want to know aboutthe relative humidity? We’ll tell you.
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People use hygrometers to make sure the humidity level in their homes is at a comfortable level. If homes are excessively humid, the air may smell musty, mildew is more likely to develop, and mold is more likely to grow. Mold in the home can cause a number of health problems, including allergic reactions and respiratory disorders, and can also damage the home and its furnishings. If the air is too humid, it usually feels stuffy and just breathing can be uncomfortable, as well. If the air is too dry, though, people may develop dry, itchy skin and painfully chapped lips. Paint on furniture and walls may begin to peel and wooden furniture and musical instruments, like pianos, fiddles, and guitars, can become warped and even ruined.
The ideal relative humidity level in a home is typically between 30 and 50 percent, although individual preferences may vary slightly. Using a hygrometer allows homeowners to adjust the humidity in order to be comfortable and to protect their health and their belongings. If your home is too humid, you can use a dehumidifier to bring down the amount of moisture in the air. If the air in your home is too dry, you can use a humidifier to increase the amount of moisture in the air. Both humidifiers and dehumidifiers are affordable small appliances available at many home goods stores.
How Does a Hygrometer Work?
There are a couple differenttypes of hygrometers and they work in different ways.
One type of hygrometer uses ahuman hair to determine the relative humidity in a room. Have you ever noticedhow some people experience “bad hair days” or get frizzy hair on very humiddays? That’s because when there is more moisture in the air, human hairs actuallyexpand. Hygrometers that use human hairs to measure relative humidity measurehow much the hair expands or contracts and uses those measurements to determinethe amount of relative humidity in the air.
Another type of hygrometeruses two thermometers, one with a dry bulb and one with a wet bulb. Thetemperature drops as moisture evaporates from the wet bulb and the relativehumidity in a room is determined from the difference in temperature between thetwo thermometers.
Both types of hygrometers areequally effective in measuring the relative humidity in an area.
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What Is a Hygrometer We Recommend?
Now that you know how does a hygrometer work and how youmight benefit from one, we’d like to tell you what is a hygrometer werecommend. We like the Ambient Weather hygrometer because it also comeswith a thermometer to measure room temperature, the large numbers on theconsole can easily be read from across the room, it comes with an additionalsensor so you can monitor the temperature and relative humidity in twodifferent rooms (and you can purchase up to seven additional sensors if youwant, which would allow you to monitor the temperature and humidity throughoutthe home, all from one console), its accurate and affordable. Customers thatpurchased this hygrometer rated it 4.5 stars out of 5 stars – many said theypreferred it to other hygrometers they’d owned in the past. For moreinformation about our preferred hygrometer, to read customer reviews, or to orderone for your home, here is a link to it on Amazon.com.