The mercury-in-glass or mercury thermometer is a thermometer that uses the thermal expansion and contraction of liquid mercury to indicate the temperature.

2024年11月27日 · Mercury thermometers can be used to determine body, liquid, and vapor temperature. Mercury thermometers are used in households, laboratory experiments, and industrial applications. Common household uses of mercury thermometers include fever thermometers and oven, candy, and meat thermometers.

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When the mercury in a thermometer is warmed, it expands and moves up inside the tube, rising to a particular level. The outside of the thermometer is marked to show the temperature being measured. Temperatures can be checked with mercury thermometers in the …

2024年6月17日 · With the growing awareness of mercury exposure hazards, the shift towards mercury free thermometers in settings like homes, hospitals, and laboratories is becoming more prominent. These safer alternatives offer reliable and accurate temperature measurement while eliminating the risk of mercury exposure.

Mercury, non-mercury (liquid in glass), or bimetallic thermometers with analog displays, for general and application-specific use, with various temperature-range capacities and accuracies; may be traceable or certified to international standards.

2023年10月19日 · The main reason mercury is used in thermometers is because it has a higher coefficient of expansion than water. This means that changes in its volume with temperature are more noticeable. Additionally, mercury has a boiling point of 356.7 degrees Celsius, which is much higher than alcohol’s boiling point of 78.37 degrees Celsius.

How to check fever with mercury thermometer? | how to use mercury thermometer? The simplest and most used type of thermometer for measuring temperature is a liquid-in-glass thermometer. It is one of the most traditional thermometers still in use today. Within the -200 to 600°C temperature range, it provides findings that are reasonably accurate.

Mercury-filled Thermometers meet ASTM E1 and E77. Yellow-backed glass with permanent graduations for accurate measurements.