As we know, digital thermometers can be used through the mouth, armpit, or rectum. Some of its uses are included in the types of digital thermometers that are commonly used.
The types of digital thermometers work by utilizing electronic heat sensors to measure body temperature and the results are displayed as digital numbers on a screen.
This article will inform you of the five types of digital thermometers that you need to know when using the right one.
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The Types of Digital Thermometers

Digital thermometers have several types that are commonly used according to their uses. Each type of course has its advantages. Here are the types of digital thermometers with their functions and advantages:
1. Axillary thermometer (Through the armpit)
This types of digital thermometers is very easy to use and is also easily available on the market. Its use is simply placed in the child’s armpit without a barrier between the thermometer and the skin. Make sure the armpit is dry, then gently close the arm.
Wait about 20 seconds for the number indicating the child’s body temperature to appear on the thermometer screen. This method is quite convenient and safe, especially for children. It is usually more accurate than ear measurement, although it may be slightly lower than oral measurement.
The Advantages:
- Records temperature quickly, about a minute or less.
- Suitable for all ages, from newborns to children, and adults.
2. Rectal thermometer (Through the anus)
This types of digital thermometers provides the most accurate results, especially for infants and young children. However, its use requires caution and may be uncomfortable for some people.
Before use, apply baby lotion on the tip of the thermometer sensor, and remove the child’s pants or diaper. Turn the child onto his/her stomach. Then, insert the sensor tip of the thermometer to a depth of 2.5 cm for a few moments until a bib sound is heard.
The Advantages:
- Records temperature quickly, about a minute or less.
- Suitable for newborns.
3. Oral thermometer (Through the mouth)

This types of digital thermometers is used by simply placing the sensor tip under the tongue. The measurement time is usually about 10-30 seconds.
Thermometers used through the armpit can also be used through the mouth. However, there are also pacifier-shaped thermometers that are specifically used through the mouth.
The Advantages:
- Records temperature quickly, about a minute or less.
- Suitable for children.
4. Tympanic thermometer (Through the ear)
This types of digital thermometers is used by inserting the small end of the thermometer into the child’s ear. It uses an infrared sensor to measure the temperature inside the ear.
It gives very quick results (1-2 seconds) and is convenient to use, but requires proper technique for accurate results.
Before using it, gently pull the child’s earlobe backward. The aim is to make it easier to guide the thermometer into the ear. Then carefully insert the thermometer into the ear canal. Then read the result after the beep.
The Advantages:
- The ear thermometer can quickly record the temperature.
- Convenient for babies over 6 months old, children, and adults.
5. Temporal artery thermometer (Through the forehead)
This types of digital thermometers is very easy to use. Measure the temperature by sticking or sliding the sensor on the forehead. However, make sure your face is dry for accurate measurement results. Then remove the cover layer of the strip, then stick the strip to the forehead.
This type of thermometer is very easy to use and suitable for all ages but may be less accurate than other methods.
The Advantages:
- Can record a person’s temperature quickly and easily
- For babies older than 3 months, children, and adults
These are the 5 types of digital thermometers that can be used according to their function. Hopefully, this article can help you to choose the right types of digital thermometers for your needs.
Another thing to note is that digital thermometers on the market use Bluetooth technology, this technology must pass the certification test from the Directorate General of Digital Infrastructure (DJID).
With this certification, users can feel calm about using a digital thermometers device whose quality and security are guaranteed. For manufacturers or importers of digital thermometers devices, obtaining certification from DJID is a mandatory step before the device can be officially marketed in Indonesia.
To simplify the certification process, you can use Type Approval Certification Services for ICT Products are available to assist with this process as a reliable solution.










