Non-contact temperature measurement
Thermoelectric pile temperature sensor
Traditional body temperature measurement involves using mercury thermometers for contact-based measurements. This method boasts advantages such as stable performance and low measurement error; however, it also has drawbacks including long measurement times, a high risk of cross-contamination, and the potential for mercury poisoning if the glass breaks.
The forehead thermometer (infrared thermometer) is specifically designed to measure body temperature at the forehead and is extremely simple and convenient to use. Its working principle is based on the fact that any object above absolute zero (-273°C) emits infrared radiation. The forehead thermometer uses a sensor to detect this infrared radiation and accurately determine the surface temperature. It can provide an accurate temperature reading in just one second, features no laser aiming point—eliminating potential eye damage—and does not require direct contact with the skin, thus preventing cross-contamination. With a single-button operation, it quickly screens for influenza. The forehead thermometer (infrared thermometer) is currently a widely used type of thermometer. Simply place the device lightly against the forehead to obtain a precise temperature reading. The forehead thermometer (infrared thermometer) works by using an infrared sensor to capture the body’s infrared radiation and convert it into an electrical signal. The main control CPU then processes this digital signal, converts it into a temperature value, and displays it on the LCD screen. Compared to mercury thermometers, forehead thermometers offer advantages such as high accuracy, high resolution, fast measurement speed, ease of use, and enhanced safety.
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