A hygrometer is a device with which air humidity is measured. There are many varieties of this device. If you want to buy a hygrometer, first of all decide which measurements you will use to measure it.
What to look for when choosing a hygrometer
Usually a hygrometer is bought in order to get the right information about the level of humidity in the office, apartment or other room with air conditioning. Thanks to this device, you can quickly make changes and control the degree of humidity, which will make the conditions for people in this room more comfortable.
Also consider purchasing additional radio-controlled temperature sensors with which you can equip a modern device. You can mount them both anywhere in the apartment and outside it at a distance of up to 30 m from the device. Thus, information on temperature conditions in different places will come simultaneously.
In addition, new devices may have memory functions that allow you to record maximum and minimum temperatures. So you can control the temperature during your absence.
When choosing a hygrometer, it is necessary to focus on its technical characteristics. The measured pressure parameter plays a particularly important role. Therefore, decide initially what humidity you will determine - relative (in RH) or absolute, which is measured in g / m3.
The measurement range, hysteresis and accuracy must also be taken into account. If you want to purchase a high-precision humidity sensor, you will need to focus on an optical device. The degree of protection on the IP scale means exactly what degree of protection the device has against the ingress of dust and water into it. As for the indicator for operating temperature, it is important if you are going to take measurements in unusual conditions.
