Precautions for use and measurement range of thermometer and hygrometer

What is a thermometer and hygrometer? In fact, this instrument is used to measure the temperature and humidity of the environment to determine the environmental conditions for product production or storage. It is also used in people's daily life. It is widely used. When there is a lot of water vapor in the air, we say that the air is humid.

There are two types of thermometers and hygrometers: pointer thermometers and digital thermometers. The pointer thermometers are cheap and only suitable for home use. The digital thermometers are different in that they are highly accurate and can directly show the indoor temperature and humidity at a glance. Therefore, digital thermometers are more popular.

Precautions and measurement range of thermometer and hygrometer:

Just like measuring weight and temperature, the first thing to do when choosing a humidity sensor is to determine the measurement range. Except for meteorological and scientific research departments, those who are engaged in temperature and humidity measurement and control generally do not need full-range (0-100%RH) measurement. Measurement accuracy is the most important indicator of humidity sensors. Every percentage point increase is a step up, or even a grade up, for humidity sensors. Because the manufacturing costs and selling prices vary greatly to achieve different accuracies, users must tailor their products to their needs and should not blindly pursue "high, precise, and cutting-edge".

Applications of digital thermometer and hygrometer:

Humidity sensors have been widely used in industry, agriculture, meteorology, medical treatment and daily life. Especially with the development of science and technology, people pay more and more attention to the detection and control of humidity and a lot of research work has been done. Generally, the characteristics of an ideal humidity sensor are suitable for use in a wide temperature and humidity range, high measurement accuracy, long service life, good stability, fast response speed, small hysteresis difference, good reproducibility, high sensitivity, good linearity, small temperature coefficient, simple manufacturing process, easy to mass produce, simple conversion circuit, low cost, corrosion resistance, low and high temperature resistance, etc.