A hygrometer is a fundamental tool for people who want to keep up to date on changes in humidity and temperature, which are so important because they can have adverse effects on our health. This tool has proven to be very useful when you want to observe changes in season, temperature, and humidity levels in the environment.
If you have considered buying one of these items, we recommend that you keep in mind a few things. There are several types of hygrometers with various features, applications, and configuration options that you need to know.
Here we had selected the best Hygrometers that are present below,
Things to Consider Before Buying Hygrometers
Before deciding to buy a hygrometer, you should take some time to understand what are the fundamental aspects of this instrument. There are many different models and materials. For this, in the following section of the guide, we will discover some relevant aspects. Read on to find answers to frequently asked questions about these articles.
What Unit of Measure Does a Hygrometer Use?
In physics, and especially in meteorology, it is established that at suitable pressure and temperature, the air must have a maximum capacity to contain water vapor. It is called saturation humidity.
Air relative humidity is defined as the ratio between air humidity and saturation humidity and is expressed as a percentage. These measurements can range from 0% to 100%, where 0% indicates dehydrated air and 100% means completely saturated air.
Furthermore, many hydrometers have a second function which measures the temperature. The most advanced models can compare humidity levels with those previously measured.
How Does Humidity Affect Health?
In hot weather, our bodies try to cool off through sweating. Without a doubt, when there is a lot of humidity, the body cannot cool down, since sweat does not evaporate.
This leads to an increase in sweating. In addition to being annoying, this process can cause excessive dehydration which usually affects mainly children and the elderly. Also, a very humid environment promotes the growth and development of mold and bacteria that can cause damage to health.
In some environments such as cellars, incubators, and terrariums, it is particularly important to keep the humidity level under control. Hygrometers are ideal when you want to know and control the amount of humidity.
How Can We Change the Humidity Level?
So far, we have said that a hygrometer allows us to measure humidity levels in the environment. But how can we go about changing these levels? The simplest option is to open windows.
Since ancient times this has been the easiest method to keep the humidity level inside the houses balanced. It will allow you to refresh the house and bring down the humidity inside it.
If you live in a very humid place, you should have some dehumidifiers. They serve to absorb excess moisture. On the other hand, if you live in arid environments, you should buy a humidifier that increases humidity levels. It is especially useful in winter, which is the time when the air is driest.
How Have Hygrometers Changed Over the Years?
Like any instrument, hygrometers have changed a lot since the days of their invention. The most classic models were made of natural hair. Their operation was effortless, the hair folded or curled depending on the humidity. These models are more precise and easier to calibrate than the more modern digital and analog ones.
Below you will find information on how these types of tools have changed since their invention to the present day:
- 1480 Leonardo da Vinci invents the first hygrometer.
- 1664 Franco Folli, an Italian doctor, builds the first functioning hygrometer.
- 1687 Guillaume Amontons, develops a hygrometer similar to the barometer using three different types of liquids.
- 1755 Johann Heinrich Lambert, while working to improve the Amontons project, coined the term “hygrometer”.
- 1783 the naturalist Horace-Bénédict de Saussure invents the hair hygrometer.
- 1890 the meteorologist Richard Assmann develops the wet bulb hygrometer.
In the second half of the twentieth century, with the appearance of integrated circuit electronics, the first analog, and digital models were developed.
What Are the Uses of A Hygrometer?
Hydrometers are used almost everywhere, especially in greenhouses and in those industrial spaces where it is necessary to know the humidity level. They are also used in egg incubators, saunas, cigar humidors, and museums, where it is essential to maintain a stable level of humidity to preserve the integrity of the works. In the paint industries, it has several uses, since the paint is sensitive to moisture.
How Can I Configure My Hygrometer?
For this instrument to work correctly, it must first be calibrated. First, you’ll need to insert the battery (in case it’s a digital hygrometer). Natural or synthetic hair hygrometers do not need much calibration or configuration; in most cases, you need to install them and leave them running.
Digital hygrometers have options that allow you to configure the time format, choosing between 12 or 24 hours, and the date. You can also set the temperature to read it in degrees Celsius or Fahrenheit.
Another essential feature is the ability to configure audible warnings for temperature and humidity. Digital models must be calibrated to function.
Is a Digital or Analog Hygrometer Better?
Digital hygrometers are quite precise; without a doubt, they take longer to measure the humidity in the environment and to show the results. The analog ones, especially the hair ones, are much more precise and show the measurement results instantly.
Even if it’s a few seconds difference, it’s essential to keep that in mind. The other advantage of digital hygrometers is that they are equipped with a wireless system capable of transmitting the relative humidity values remotely.
These models have Bluetooth technology and smartphone applications that allow you to control them remotely. Also, they are tiny and easy to handle, ideal for any space.
How Can I Take a Temperature and Humidity Measurement?
Before you start measuring, you will need to choose the best place to place the hygrometer. Digital models make two types of measurements: temperature and humidity. After configuring the hygrometer options and calibrating it, you can start using it.
The most significant number is usually the one that indicates the temperature and the smallest percentage is the one that means the humidity. In other models, the rate of humidity is shown through the use of a digital hand.
This method of showing the measurement uses a range of colors ranging from green to red, passing through yellow and dark blue. The latter indicates that the humidity level is too high. The digital hygrometers are equipped with a memory function that means the maximum and minimum measurements of the day.