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39 EN
2. MEASURING BODY TEMPERATURE IN THE EAR
ATTENTION
• Some people produce different readings in their left and right ear. To
avoid temperature variations, always perform measurements in the
same ear.
• The measurement must not be taken in an ear affected by inflammato-
ry diseases, after possible ear injuries or in the healing period. In all of
these cases, please consult your doctor.
• If you have been lying on one ear for some time, the temperature is
slightly raised. Wait a little while or measure in the other ear.
• Accumulation of ear wax on the sensor can affect the measuring ac-
curacy and result in the spread of infection among the thermometer
users. It is extremely important for each measurement to observe the
rules of hygiene and keep the sensor clean. To clean the sensor, fol-
low the instructions contained in the «Device cleaning» section. Every
time before starting measurement, please make sure that the mea-
suring sensor lens is not contaminated.
• After cleaning the measuring sensor lens with a disinfectant solution,
wait for a few minutes before taking the next measurement so that
the sensor gains the initial operating temperature.
The thermometer takes temperature by measuring infrared heat generated by
ear drum and surrounding tissues. Energy is captured with a lens and convert-
ed to a temperature value. Temperature measurement should be carried out
by placing the sensor tip in the external ear canal above the ear drum, and not
over the surface of nearby anatomical areas. Otherwise, the measurement val-
ues may be too high.
Body temperature measurement in the external ear canal ensures accurate
readings due to the same temperature of blood flowing towards the ear drum
and the brain's temperature regulation center – hypothalamus. Therefore,
changes in body temperature are faster and more accurately recorded in the
external ear canal than in any other body area.