Cara Menggunakan Termometer Air Raksa

>Hello Sohib EditorOnline, in this article we will discuss in detail about how to use a mercury thermometer or termometer air raksa. This type of thermometer is widely used in various settings, such as in the medical field, laboratories, and for household purposes. It is important to know how to properly use and read a mercury thermometer to ensure accurate measurements and avoid potential hazards.

What is a Mercury Thermometer?

A mercury thermometer is a type of thermometer that utilizes the thermal expansion of mercury in a glass tube to measure temperature. The mercury is contained within a bulb at the base of the thermometer and as the temperature rises, the mercury expands and rises up the tube. The temperature is read by observing the height of the mercury column against a scale printed on the glass tube.

Parts of a Mercury Thermometer

A mercury thermometer consists of several parts that are important to know in order to properly use and read the thermometer:

Part Description
Bulb Contains the mercury
Capillary Tube The thin, glass tube where the mercury rises to indicate temperature
Graduated Scale Printed on the glass tube to indicate temperature in degrees Celsius or Fahrenheit

How to Use a Mercury Thermometer

Using a mercury thermometer requires proper handling and technique to ensure accurate measurements and prevent breakage or exposure to mercury. Follow these steps to use a mercury thermometer:

Step 1: Preparation

Before using the thermometer, make sure it is clean and free from any debris or residue. If necessary, clean the thermometer with soap and water and dry it completely. Ensure that there is no damage to the thermometer, such as cracks or chips.

Step 2: Read the Scale

Check the scale on the thermometer for the temperature range you are measuring. The scale will indicate whether the temperature is in Celsius (°C) or Fahrenheit (°F). If the thermometer has a red/blue line indicating body temperature, make sure it is in the correct position before use.

Step 3: Shake the Thermometer

Hold the thermometer at the top or the sides of the bulb and give it a quick flick of the wrist to shake down the mercury. This should be done prior to each use.

Step 4: Insert the Thermometer

Insert the thermometer into the area you are measuring. For example, if measuring body temperature, insert the thermometer under the tongue or in the armpit. Make sure the thermometer is inserted as far as possible, while still being comfortable for the person being measured.

TRENDING 🔥  Cara Membuat Ayam Krispi

Step 5: Wait for the Reading

Keep the thermometer in place for the recommended amount of time to get an accurate reading. This can take anywhere from 1-3 minutes depending on the type of measurement being taken.

Step 6: Read the Thermometer

Remove the thermometer and read the temperature by observing the height of the mercury column against the scale. Read the thermometer at eye level and take note of the temperature. Record the temperature if necessary.

FAQ about Mercury Thermometer

1. How do I handle a broken mercury thermometer?

If a mercury thermometer breaks, carefully collect any visible mercury with a piece of cardboard or paper towel and place it in a sealed plastic bag. Do not use a vacuum or brush to clean up the mercury, as this can release harmful vapors. Contact a professional hazardous waste removal company to properly dispose of the mercury and any contaminated materials.

2. Can I use a mercury thermometer for cooking?

No, it is not recommended to use a mercury thermometer for cooking as the high heat can cause the glass to break and release the toxic mercury. Use a digital or analog food thermometer instead.

3. Can a mercury thermometer be used to measure fever?

Yes, a mercury thermometer can be used to measure fever. In fact, a mercury thermometer may be more accurate than other types of thermometers, such as digital or forehead thermometers. However, it is important to follow proper technique and use a clean thermometer to ensure accurate measurements.

4. Can I dispose of a mercury thermometer in the trash?

No, mercury thermometers should not be disposed of in the trash as they can release toxic mercury into the environment. Contact your local waste management facility or hazardous waste disposal facility for proper disposal.

5. How often should I replace a mercury thermometer?

A mercury thermometer should be replaced if it is damaged, inaccurate, or if the temperature scale is worn or faded. It is recommended to replace a mercury thermometer with a digital or analog thermometer for safety and accuracy.


Knowing how to use a mercury thermometer is important for accurate temperature measurements and safety. Make sure to follow proper handling and technique to avoid potential hazards associated with mercury exposure. If you are unsure how to properly use or read a thermometer, consult a medical professional or refer to the manufacturer’s instructions.

Cara Menggunakan Termometer Air Raksa