Why does the device obtain different readings when taking my temperature several times in a row?

With any type of thermometer, slight temperature variations can occur between readings. These variations are usually not apparent with traditional methods, as the temperature is only measured once and not repeated. However, a common reason for different, repeated readings is improper technique. The lens of the thermometer must be aimed with a clear view of the eardrum. For proper placement, it is very important to use your dominant hand to hold the thermometer and take the temperature in the corresponding ear.

Moreover, you should not take more than three consecutive readings at one time, with the highest reading being the most accurate. The ear cannel will cool with repeated measurements similar to how one’s hand will cool when holding a glass of cool water. If several measurements have been taken, wait at least two minutes before taking another temperature reading. If proper and consistent technique is used and the thermometer lens and the ear canal is clean the temperature should not vary more than +/- 0.5°F between repeated readings.

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The information provided on this web site is provided for information purposes only. It is not intended as a substitute for professional advice. Please consult your physician with any questions or concerns.