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May 27, 2022

How Much You Know About Infrared Thermometers?

The forehead thermometer (infrared thermometer) is designed for measuring the human body's forehead temperature, and it is very simple and convenient to use. Accurate temperature measurement in 1 second, no laser point, avoid potential damage to eyes, no need to touch human skin, avoid cross infection, one-click temperature measurement, and check for influenza. It is suitable for home users, hotels, libraries, large enterprises and institutions, and can also be used in comprehensive places such as hospitals, schools, customs, airports, etc., and can also be used by medical personnel in clinics.

The normal body temperature of human body is between 36 and 37 °C on average. If it exceeds 37.1 °C, it is fever, 37.3~38 °C is low-grade fever, and 38.1~40 °C is high fever. Above 40°C is life-threatening at any time.

Comparison of Temperature Measurement Methods

Anus temperature 36.6℃~38℃

Oral temperature 35.5℃~37.5℃

Underarm temperature 34.7℃~37.3℃

Cochlear temperature 35.8℃~37.5℃

Forehead temperature 35.8℃~37.0℃


The working principle of forehead thermometer: Any object will emit infrared rays when it is higher than absolute zero (-273°C). The forehead thermometer receives infrared rays through the sensor, and obtains the sensed temperature data. 

How to use forehead thermometer: Above the bridge of nose, the middle part of the two eyes is the radiation source closest to the normal body temperature. Place the forehead thermometer at a distance of 5-6cm to measure the temperature. The accuracy is ±0.3. It is not recommended for medical use, but it can be used for quick, non-contact safety inspections for influenza. If there is an alarm, it should be diagnosed and prevented by doctors in time.

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