This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The $20 thermometer that takes your ...

which is a small electronic device that converts the infrared radiation into heat and then again into electricity. The thermometer measures this electrical reading and displays the result on the ...

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We first tested an infrared contactless thermometer that gained popularity during the COVID-19 pandemic. Our reading was 97.3F Next we tried another no-contact infrared thermometer meant for infants.

Chinese authorities are using infrared thermometers ... generating unusually low temperature readings, or hold them too close and get a high reading. The measurements can be imprecise in certain ...

Again, yes. Meyer said the most accurate thermometer reading will be a rectal one, but that an infrared thermometer is fine. Keep in mind, temperatures can range between four and five degrees ...

Infrared radiation heats up a special kind of detector material, causing the flow of electrical current through the material to change. That change is then translated into a temperature reading.