Air humidity measuring devices

In order to avoid unpleasant health problems associated with non-optimal humidity in the house, it is necessary to constantly monitor its level in the room. Dry dusty air may contain a large amount of allergens, which is fraught with consequences. The raw air indoors can lead to various chronic diseases. So what to measure air humidity? To carry out such control, it is necessary to regularly measure the humidity of air indoors. At the moment there is a very useful device that will measure the level of humidity in the house. Such a device is a hygrometer. There are several types of hygrometers, which should be known in more detail.