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

Nov 27, 2024 · In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. Mercury thermometers can be used to determine body, liquid, and vapor temperature.

There are several different kinds of mercury-in-glass thermometers available, including the “maximum thermometer,” a special sort of mercury thermometer that works by having a constriction in the neck near the bulb.

Mercury-in-glass thermometer for measurement of room temperature. The mercury-in-glass thermometer was invented by Daniel Gabriel Fahrenheit in Amsterdam (1714). It is a bulb containing Mercury attached to a glass tube of narrow diameter.

Fahrenheit in 1724 and is a thermometer consisting of mercury in a glass tube. Calibrated marks on the tube allow the temperature to be read by the length of the mercury within the tube, which varies according to the heat given to it. To increase the sensitivity, there is usually a bulb of mercury at the end of the thermometer which contains ...

We offer a large range of mercury-in-glass thermometers for general laboratory use with ranges from -35°—50°C to 30°—124°F with divisions from 0.2° to 5°.

How does the thermometer give the temperature of an object just by being in contact with it? And how does the level of liquid in the thermometer rise against gravity? Let’s discuss the physics of mercury-in-glass thermometer. Before getting into the physics of the thermometer, let’s take a close look at its structure.

Apr 24, 2017 · In a thermometer, a glass bulb attached to a glass capillary tube is filled with mercury. The rest of the tube may be a vacuum, or it may be filled with nitrogen. As the mercury heats up, it rises in the tube, and as it cools, it retracts back into the bulb.

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. In 1714, the mercury-in-glass thermometer was invented in Europe by physicist Daniel Gabriel ...

Jun 26, 2018 · Liquid-in-glass mercury thermometers are prized for accurate temperature readings. With just a few inexpensive parts, the simple construction makes them cost effective to manufacture and purchase. However, caution must be exercised to avoid breakage of the glass and exposure to toxic mercury vapors.