Because of sensitivity of temperature, high thermal conductivity, low thermal capacity, good visibility and non-wetting of the internal capillary walls of the thermometer, mercury is typically a very accurate gauge of temperature. -generates low signal which is non-linear Webmaster | Contact Us | Our Other Offices. con, Three advantages of using mercury in thermometer. State two advantages of a thermocouple over a mercury in glass thermometer ... Thermocouple has a idea range of temperature compared to mercury in glass thermometer. Mercury thermometer. Disadvantages. Just like the mercury/alcohol thermometer, it is inserted under the tongue or in the armpit or inside the rectum to measure body temperature. When it comes to thermometers, like most things, you get what you pay for. Mercury has a low freezing point relative to alcohol (- 3.89 degrees C centigrade, 25 degrees F) and as a result it cannot be used in colder areas. Mercury has been used in thermometers for many years due to its wide temperature range. If you are 13 years old when were you born? Advantages. -must be assembled with care to avoid considerable noise levels... What Are The Advantages And Disadvantages Of Liquid In Glass Thermometer? The Basic Principle of a Mercury Thermometer thermometer image by Szymon Apanowicz from Fotolia.com. But cleaning up a commercial or industrial mercury-thermometer spill can easily entail expenditures of $5,000 to $20,000, not counting lost work time, and costs can be far higher. +86 13816377866 | firstname.lastname@example.org, ○ Phone: +86 13816377866 The thread of the thermometer is quite fragile, and when it breaks it is nearly impossible to rejoin. 5. Alcohol (also called spirit-filled) thermometers are inexpensive but they also break very easily. Mercury does not wet glass The space above the mercury may be filled with nitrogen gas or it may be at less than a… * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. durable. The thread of the thermometer is quite fragile, and when it breaks it is nearly impossible to rejoin. Official websites use .gov Some believe that non-mercury thermometers should not be used in secondary schools because of this inaccuracy. This can make the thermometer show the results more slowly and less accurately. How long will the footprints on the moon last? His writing has appeared on various online publications including his personal website Build Creative Writing Ideas. The Mercury Thermometer, on the other hand, is more durable under general conditions. Hello, please leave your name and email here before chat online so that we won't miss your message and contact you smoothly. Mercury thermometers tend to be much more durable under duress. And for many units, wireless data transmission is possible. For more products related question ,Welcome to inquiry us . Mercury is a transition metal with symbol Hg and atomic mass 80. The thread of the thermometer is quite fragile, and when it breaks it is nearly impossible to rejoin. If an extremely accurate reading is not necessary, purchasing an alcohol-based thermometer will be cheaper and less dangerous. Some believe that non-mercury thermometers should not be used in secondary schools because of this inaccuracy. What Are The Advantages And Disadvantages Of The Following Thermometric Fluids: Alcohol And Mercury? It has high cubical expansion 3. The disadvantages of mercury are quite clear. Questions about Mercury Thermometer Alternatives? Here are some related questions which you might be interested in reading. Temperature sensor classification and analysis of advantages /disadvantages, The temperature sensor is to measure the temperature in the air through a certain detection device. Bryan Cohen has been a writer since 2001 and is a graduate of the University of North Carolina at Chapel Hill with a double degree in English and dramatic art. cheap. This can make the thermometer show the results more slowly and less accurately.