How to correctly use the thermometer

1. (thermometer)First observe the measuring range, graduation value and 0 point, and the measured liquid temperature shall not exceed the measuring range;

2. (thermometer)All the glass bubbles of the thermometer shall be immersed in the measured liquid and shall not touch the bottom or wall of the container;

3. (thermometer)Wait for a while after the thermometer glass bubble is immersed in the measured liquid, and read after the indication of the thermometer is stable;

4. (thermometer)When reading, the glass bubble of the thermometer shall remain in the liquid, and the line of sight shall be level with the upper surface of the liquid column in the thermometer.