A&D UT-101 Manuel d'instructions télécharger pdf (Page 18)

Why can the temperature be measured in the ear

Every object emits infrared energy that corresponds to its temperature.

Therefore, the temperature of an object can be obtained by measuring the

amount of the infrared energy. The ear thermometer employs this theory

and detects the radiated heat out of the eardrum using an infrared sensor.

The ear drum is hardly affected by the room temperature because it is

recessed inside the head. Thus, a stable and quick temperature detection

can be performed.

Ear thermometer and axillary thermometer

The body temperature varies depending on the individual, and measuring

conditions. Furthermore, it varies with where the temperature is measured.

For example, the temperatures, measured using an ear thermometer and

using an axillary thermometer, can differ by

1 . So, measure your

temperature using both methods and know your normal temperatures

under the armpit and in the ear.

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A&D UT-101 Manuel d'instructions Page 18