1Operation mechanism and error of electronic thermometer
The electronic thermometer operates based on a temperature sensor to measure body temperature. This sensor is connected to a pre-programmed electronic circuit board.
During the measurement process, the electronic sensor will receive information to transmit data to the processor, and then the measurement results will be displayed on the thermometer’s screen.
The electronic thermometer provides fast processing speed and a fairly high accuracy. However, its accuracy depends on the way you perform the measurement and you should pay attention to the error. Generally, electronic thermometers will have a slight fluctuation error of about 0.1 – 0.3 degrees Celsius.
2Locations to measure using an electronic thermometer
The process of measurement or the measurement location is a decisive factor for the accuracy of electronic thermometers. Some recommended locations to measure using an electronic thermometer include:
- Measure temperature in the mouth: This method is suitable for use with adults and children aged 5 and above.
- Measure temperature on the forehead: With a forehead thermometer, you can use it for children aged 3 months and above to adults.
- Measure temperature in the ear: You can apply the method of measuring temperature in the ear for children aged 3 months and above (if your child has too much earwax or ear pain, you should not use this method).
- Measure temperature in the rectum: This method is mainly performed in infants and provides the most accurate results. When inserting the thermometer into the rectum, you need to be careful to avoid injuring the rectal tract of the baby.
- Measure temperature under the armpit: Using an electronic thermometer to measure at this location is generally safe for the elderly or active children. However, measuring temperature in the armpit does not provide as accurate results as measuring in the mouth or rectum.
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