‘Inaccurate but good for now’

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PETALING JAYA: Non-contact infrared thermometers, also known as a “thermometer gun”, have become a familiar device when one enters any premises under the new norm since the Covid-19 outbreak. But health experts warned that these thermometers could give off inaccurate temperature readings. Universiti Malaya Department of Social and Preventive Medicine Faculty of Medicine Prof Dr Moy Foong Ming said detecting fever required measuring the body’s core temperature. She explained that detecting a feverish person via oral digital thermometers were the most accurate, followed by ear thermometers but acknowledged that these thermometers were not practical for mass screenings. “Thermal cameras and infrared thermometers are the next best alternatives,” she added.

Dr Moy explained that even if infrared thermometers could detect fever reliably, it could not prevent the spread of the coronavirus…