Method Of Use Of Thermometer

Rule 1: Before using a thermometer, you should:.

If the estimated temperature exceeds or is lower than the lowest temperature it can measure, a thermometer with a suitable range should be replaced. Otherwise, the liquid in the thermometer may burst the thermometer or the temperature value can not be measured. A kind of

2. Recognize its minimum scale value, so that when it is used to measure, the temperature value can be quickly read out. Chinese style

Rule 2: When measuring liquid temperature with thermometer, it is

1. The glass of the thermometer is all immersed in the liquid under test. Do not touch the bottom or wall of the container. A kind of

2. The thermometer glass should be immersed in the measured liquid for a while, and then read after the thermometer's indication is stable. A kind of

3. The glass bubbles will remain in the liquid under test at the reading, and the line of sight is equal to the upper surface of the liquid column in the thermometer. To be careful

The Use of Thermometer

Method 1.

1. Before measurement, observe the thermometer to be used and understand its range (measuring range) and grading value (temperature value corresponding to each cell);

2. Make the glass bubbles of the thermometer fully contact with the measured liquid (to be immersed in the measured liquid);

3. Read after the number is stable;

4. When reading, the glass bubbles of the thermometer should be left in the liquid under test and cannot be taken out for reading. Chinese style

Method two.

1. The temperature of the liquid under test should be estimated before the measurement; 

2 The thermometer with suitable range should be selected according to the estimated temperature.

3. The glass bubbles of the thermometer should be completely immersed in the liquid to be measured, but do not touch the bottom and wall of the container. 

4. The glass is completely immersed in the liquid to be tested for a while. Wait for its indication to stabilize before reading.

 5 .When reading, the glass bubbles will continue to stay in the measured liquid.

6. The line of sight should be equal to the upper surface of the liquid column in the thermometer. Correct recording of measurement results requires numbers and units.

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