How do you use a mercury digital thermometer?

How do you use a mercury digital thermometer?

With your mouth open, put the end with the red, blue, or silver-colored tip under your tongue. Close your lips gently around the thermometer. Do not bite the glass thermometer. Keep the thermometer under your tongue for 3 minutes.

How do you activate a mercury thermometer?

Firmly grasp the thermometer near the top, so that the bulb containing the mercury (or other indicating fluid) is pointed downward. Rapidly move the thermometer down and sharply reverse direction (and snap the wrist upward). When the thermometer reaches the lowest point of the stroke several times.

How do I know if my mercury thermometer is working?

Look at the thermometer. If the bulb and vial are filled with a silver, metallic liquid, you have a mercury thermometer 2. While accurate, the mercury inside the thermometer is very dangerous if it comes in contact with skin 2. Take care in handling the thermometer so that it does not crack or break.

How long do you take your temperature with a mercury thermometer?

ORAL TEMPERATURE After shaking the mercury down, place the thermometer under the child’s tongue, with the bulb toward the back of the mouth. Tell your child to keep the lips firmly closed, but not to bite the thermometer. 3. Leave the thermometer in place for 3 minutes.

How long do you use a mercury thermometer?

After shaking the mercury down, place the thermometer under the child’s tongue, with the bulb toward the back of the mouth. Tell your child to keep the lips firmly closed, but not to bite the thermometer. 3. Leave the thermometer in place for 3 minutes.

Do you have to shake down a mercury thermometer?

It takes big forces to push the mercury quickly through such a capillary. During expansion, there is easily enough force to push the mercury up through the capillary. Shaking the thermometer hard is what gets the mercury down and ultimately drives it through the constriction so that it rejoins into a single column.