A temperature transducer is a sensor that senses temperature and converts it into a usable output signal. It converts temperature information into electrical signals or digital data to monitor, control, and record temperature changes. Temperature sensors play an important role in a variety of applications, from industrial automation to household appliances, from medical equipment to weather forecasting, all need reliable temperature measurement. ATO store will introduce the structure, working principle, application areas, and development status of temperature sensors in detail.