What thermometer measures accurately?

There are many types of thermometers, the more common being glass thermometers and electronic thermometers.

Glass thermometers (medical thermometers) are placed in the armpit only to measure temperature. The thermometer is placed in the armpit, the armpit will be closed tightly, 5 to 10 minutes after the removal, horizontal view, view the degree of the thermometer can be slightly rotated, you can clearly see the mercury, with the rise in body temperature of the mercury column to maintain the original position, easy for the user to observe their own body temperature at any time.

Electronic thermometer can be placed in the armpit or mouth temperature measurement, temperature measurement temperature will be shown on the electronic display, the electronic thermometer is the use of temperature sensors output electrical signals, direct output of digital signals or then the current signal is converted to digital signals that can be recognized by the internal integration of the circuitry, and then through the display to show the temperature of the digital form, can be recorded, read the temperature of the measured The maximum value of the measured temperature can be recorded and read.

Expanded information:

Thermometer method;

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

2. Press the switch, the buzzer immediately emits a beeping tone, the display as shown in Figure A, for about 2 seconds.

3. Then the display shows the temperature of the last side measurement as shown in Figure B (if the last measurement was 36.5℃), and the well lasts about 2 seconds. Then the display may show "℃" symbol blinking, that the thermometer has been in the side of the state. (If the room temperature is higher than 32 degrees Celsius, the thermometer will display the room temperature but not as shown in Figure D, while the "℃" symbol keeps flashing)

4. Use the thermometer to measure your body temperature. The displayed temperature value rises gradually while the "℃" symbol keeps flashing.

5. When the rate of rise in body temperature in 16 seconds less than 0,1 ℃, "℃" symbol stop flashing, while the thermometer issued about 5 seconds of beeping sound, this time the thermometer measurement is complete, you can read the displayed temperature value.

6. The thermometer has an automatic shut-off function, which will automatically turn off the thermometer within 10 minutes after the measurement is completed. However, in order to extend the battery life, it is recommended that users press the power button to turn off the power after the measurement.

Baidu Encyclopedia - Electronic Thermometer