A thermometer is a device that is used to measure the temperature of a body or an object. There are different types of thermometers that have different functions and methods of use. Some of the common types of thermometers are:
- Digital thermometer: This is a device that uses a heat sensor to measure the temperature and displays the result on a screen. It can be used to measure the temperature in the mouth, ear, armpit, or rectum. It is easy to use and read, and it does not contain mercury or alcohol. To use a digital thermometer, you need to turn it on and place it in the desired location until it beeps. Then you can read the result on the screen and clean the thermometer with alcohol or soap and water.
- Infrared thermometer: This is a device that uses infrared rays to measure the temperature without touching the body or object. It can be used to measure the temperature of the forehead, ear, or surface. It is fast and convenient, but it may be affected by environmental factors such as sunlight or air conditioning. To use an infrared thermometer, you need to point it at the desired location and press a button. Then you can read the result on the screen and wipe the thermometer with a dry cloth.
- Mercury thermometer: This is a device that uses mercury as a liquid that expands or contracts when heated or cooled. It can be used to measure the temperature in the mouth, armpit, or rectum. It is accurate and inexpensive, but it may break easily and release toxic mercury. To use a mercury thermometer, you need to shake it down until the mercury level is below 35°C (95°F). Then you need to place it in the desired location for about three minutes. Then you can read the result by looking at the level of mercury in the glass tube and cleaning the thermometer with alcohol or soap and water.
- Alcohol thermometer: This is a device that uses alcohol as a liquid that changes color when heated or cooled. It can be used to measure the temperature in the mouth, armpit, or rectum. It is safe and simple, but it may not be very accurate or durable. To use an alcohol thermometer, you need to shake it down until the alcohol level is below 35°C (95°F). Then you need to place it in the desired location for about three minutes. Then you can read the result by looking at the color of the alcohol in the glass tube and cleaning the thermometer with alcohol or soap and water.
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