How to use mercury thermometer?

Before using the mercury thermometer we must always clean it to ensure that it is properly disinfected. For this you must use a cotton ball soaked in alcohol and wipe the thermometer bulb, i.e. the metal part which comes into contact with the body to measure the temperature. read more

Checking the Temperature. If you are using a manual or mercury thermometer, you must shake it down so that the mercury level is at least below 96 degrees F. If you are using a digital thermometer, simply press the button to turn it on. read more

Most digital thermometers are easy to use and measure body temperature within seconds. Carefully read the instructions before using your digital thermometer. Digital thermometers can be bought at grocery, drug, or medical supply stores. Glass thermometers with alcohol inside may also be used for oral temperatures. read more

In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. read more