Electronic thermometers have already been used popularly. They are used for measuring human body temperature, they display numeric values. For example, a typical inexpensive electronic ear thermometer is used for home use.
Other kinds of medical thermometers exist, such as the tympanic thermometer that measures the temperature of the tympanum by infrared measurement, The thermometer has a projection (protected by a one-time hygienic sheath) which contains the infrared probe; the projection is gently placed in the ear canal and a button pressed; the temperature is read and displayed within about a second. These thermometers are used both in the
home and in medical facilities.