Скачать или смотреть Are Infrared Thermometers Safe? | Steroplast Healthcare

Following the surge in contactless thermometer use, some people have taken to social media to state their belief that infrared thermometers can be harmful to the people they are pointed at.

In fact, there’s nothing dangerous about using an infrared (IR) thermometer at all; ​We’ll explain why infrared thermometers aren’t dangerous in this video.

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Transcript:

Social media posts have led some people to worry that infrared thermometers can be harmful to the people they are pointed at.

In truth, there’s nothing dangerous about using an IR thermometer at all.

One main concern is that infrared thermometers emit radiation.

Infrared (IR) radiation is emitted by all things and experienced by humans as heat. The more IR radiation, the hotter.

Exposure to radiation has negative effects on humans. For example, exposure to the sun, one of the strongest sources of radiation, can lead to sunburn, skin cancer, and eye damage.

But infrared thermometers don’t emit IR radiation, they only measure it.

By measuring the amount of radiation coming off of an object, an infrared thermometer can gauge its temperature within a certain range.

What about the laser?

The laser isn’t in fact the part that reads IR radiation. This is carried out through a lens that directs infrared light onto a detector called a thermophile in the machine.

The purpose of the laser is to help the user accurately point the thermometer. The actual area being measured is greater than the spot the laser is pointed at.