It lies in 12th group, 6th period and... What Are The Disadvantages Of The Thermocouple Thermometer? As far as affordable thermometers go, the mercury thermometer is the most accurate and has several other advantages over alcohol-based thermometers. This can make the thermometer show the results more slowly and less accurately. Alcohol thermometers, on the other hand, tend to have a lower conductivity while wetting the walls of the device. mercury vapour is poisonous. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). How much does does a 100 dollar roblox gift card get you in robhx? The thread of the thermometer is quite fragile, and when it breaks it is nearly impossible to rejoin. -must be assembled with care to avoid considerable noise levels... What Are The Advantages And Disadvantages Of Liquid In Glass Thermometer? Alcohol (also called spirit-filled) thermometers are inexpensive but they also break very easily. In clinical studies between 9 and 23% of repeated measurements using an electronic thermometer differ by 0.5 degrees C or more whilst the corresponding range for mercury thermometers is 0.6%. 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. As far as affordable thermometers go, the mercury thermometer is the most accurate and has several other advantages over alcohol-based thermometers. How long will the footprints on the moon last? The thermometer is among the most extensively used medical equipment worldwide. The thread of the thermometer is quite fragile, and when it breaks it is nearly impossible to rejoin. It consists of a bulb containing mercury attached to a glass tube of narrow diameter; the volume of mercury in the tube is much less than the volume in the bulb. Copyright © 2019 Shanghai Jiutian Automation Equipment Co., Ltd. | All Rights Reserved. His writing has appeared on various online publications including his personal website Build Creative Writing Ideas. What is the hink-pink for blue green moray? The Questions and Answers of what are the advantages and disadvantages of using mercury in clinical thermometer Related: Short & Long Question Answers - Heat? Mercury functions in the range of 234 Kelvin to 630 Kelvin -39 to 356 degrees Celcius, -38 to 674 degrees Fahrenheit), which cannot be matched by alcohol thermometers. Despite this wide range, the amount that mercury expands is eight times less than alcohol, which allows mercury thermometers to be made smaller and more compact than alcohol thermometers. All Rights Reserved. Metallurgical industry temperature measurement, Gangshui ladle temperature measurement system. Webmaster | Contact Us | Our Other Offices. - Accurate ( uses ideal gas N2 and ideal gas law) How's Mister Happy? The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Unraveling a pathway to menopausal bone loss. As far as affordable thermometers go, the mercury thermometer is the most accurate and has several other advantages over alcohol-based thermometers. Just like the mercury/alcohol thermometer, it is inserted under the tongue or in the armpit or inside the rectum to measure body temperature. Mercury’s high boiling point allows it to be used in thermometers that are in steaming hot liquids and other cooking foods. disadvantages. "A History of the Thermometer and Its Use in Meteorology," W. E. Knowles Middleton; 2002. This is a kind of old thermometer, experts believe that the degree of danger of mercury thermometer is very large, than people think. On Nov. 6, 2019, our company are fortunate to follow the Chamber of Commerce to participate in the Cross-Border E-Commerce Development Forum and the Second China International Import Expo. This can make the thermometer show the results more slowly and less accurately. Ask a Question. The advantages of digital thermometers are that they are inexpensive, easy to read, require very little maintenance and give an accurate reading. We have been using thermometers with mercury for decades and they are still in use but there are other types available as well. 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.

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