The Temperature Gun Is Not Accurate. What's the Problem?

1. Measurement unit is not set properly
Some forehead thermometer have two functions: surface temperature and body temperature. When selecting the mode, you cannot choose the wrong one. The unit of measurement should be Celsius rather than Fahrenheit. The difference between the two reflected in the number is a huge difference.

2. Influence of external factors
Accurate temperature measurement needs to eliminate the following external interference factors, such as the air, water vapor and other obstructions in the measurement environment, which will change the radiation curve of the object and lead to inaccurate temperature measurement. Ensure that the optical system of the thermometer is clean and free of dust, water vapor and other influences, and that the forehead and ear canal of the tested person are free of sweat, hair, dust, hat and other sundries. At the same time, temperature measurement needs to be carried out in a windless indoor environment, and the use of the instrument should not have a large temperature difference, so as to ensure the normal working environment of the instrument (higher than 16 ℃). If it is in a cold outdoor weather, the temperature measured by the thermometer does not have a reference, which belongs to abnormal operation.

3. Instrument damage
If the forehead thermometer is dropped or damaged, it will also lead to the phenomenon of old inaccuracy in its use measurement. At this time, the forehead thermometer should be purchased and replaced for measurement.

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