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You are here: Home / News / Product Encyclopedia / How to Use A Digital Thermometer

How to Use A Digital Thermometer

Views:49     Author:SunnyWorld     Publish Time: 2018-09-05      Origin:Site

Digital Thermometer Operation Guide

1.Before using the thermometer, the head of the thermometer should be disinfected with alcohol.

2.When the switch is pressed, the buzzer will beep immediately, as shown in Figure A, for about 2 seconds.

3.The display then displays the temperature of the last side as shown in Figure B (previously measured as 36.5 °C) and the well lasts for about 2 seconds. Then the display may show as shown in Figure C. The “°C” symbol flashes to indicate that the thermometer is in the side to be side. (When the room temperature is higher than 32 °C, the thermometer will display the room temperature without displaying it as shown in the figure D, and the “°C” symbol will flash continuously)

4.A thermometer is used to measure body temperature. The temperature value displayed when the body temperature is measured gradually rises, and the "°C" symbol keeps flashing.

5.When the temperature rise rate is less than 0.1 °C within 16 seconds, the “°C” symbol stops flashing, and the thermometer emits a buzzer sound for about 5 seconds. When the thermometer is measured, the displayed body temperature value can be read.

Note: After the “°C” symbol flashes, if the thermometer is still in contact with the measured part. The temperature value is likely to still rise. It is recommended after the buzzer prompts. Try to measure as much time as possible.

6.The thermometer has an auto power off function that will automatically shut down within 10 minutes of the end of the measurement. However, in order to extend the battery life, it is recommended that the user press the power button to turn off the power after the measurement is over.

digital thermometer

Digital Thermometer Measurement Methods

Underarm Thermometer

Time: 5-10 minutes

Heating temperature: above 37 °C

The mercury column of the thermometer is smashed below 35 °C before use. Place the mercury end of the thermometer on the top of the armpit (ie deep in the armpit), clamp the thermometer with the upper arm to avoid dislocation or drop; measure for 5-10 minutes; take out the thermometer, read the temperature data, and wipe the thermometer with toilet paper. For next time or for others to use.

Reading method: Hold the end of the thermometer in one hand, that is, away from the end of the mercury column, keep the eye at the same level as the thermometer, then slowly rotate the thermometer, and read the corresponding temperature value when you see the thick mercury column from the front. Be careful not to touch the mercury end of the thermometer with your hand when reading. This will affect the mercury column and cause measurement inaccuracy.

Underarm Thermometer

In The Ear Thermometer

Time: a few seconds

Heating temperature: 38 ° C or more

In addition, there is an in-the-ear thermometer that measures the tympanic membrane in the ear using an infrared measurement technique and a forehead thermometer that measures the forehead. If the glass of the thermometer is broken, the mercury in the thermometer will cause damage to the human body. A new thermometer is made of plastic and can be used for infants or young children. The normal body temperature is 37 degrees Celsius.

Measuring principle: thermal expansion and contraction of liquid

The characteristics of the thermometer: (1) can be read from the object to be measured (2) more mercury (3) has a shrinkage (4) graduation value of 0.1 ° C

Shrinkage: After the measurement, the mercury can not be retracted from the glass bubble, so that it can be separated from the measured object.

In The Ear Thermometer

Oral Cavity Thermometer

Time: 3-5 minutes

Heating temperature: 37.5 ° C or more

The oral temperature is collected by the patient's ability to place the thermometer correctly and safely into the mouth. That is to rule out children or inability to resist cough, weak people or people who will vomit. (This is no problem in fast-reacting electronic thermometers, but it is an important issue in mercury thermometers because mercury thermometers take a long time to react to temperature.) Other things to note are when patients are If you have a hot drink or an ice drink before using an oral thermometer, you must consider other temperature measurement methods.

Oral Cavity Thermometer

Rectum Thermometer

Time: 1-3 minutes

Heating temperature: 38 ° C or more

Lubricants should be used to help in the measurement of rectal temperature, especially when measured by another person. Although the rectal temperature is the most accurate, it is embarrassing to consider such behavior in some countries or cultures. In addition, if the thermometer is placed incorrectly, the patient may feel uncomfortable or even painful. Infants usually use rectal temperature measurements, but it is better to use a nurse to operate.


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