mercury thermometer advantages and disadvantages

The traditional mercury thermometer has the mercury in a narrow If the liquid in the thermometer bulb is any color other than silver, it is not a mercury thermometer. The cost is very low. exam, Study Class 8 Science quiz, Chapter wise You should choose a thermometer that is easy to use and read. It gives fairly accurate results within the temperature range of -200 to..Construction..Main Features..Applications..Advantages..Limitations.. 2. Medical Exam, Olympiads The two liquids used in liquid in glass thermometers are mercury and alcohol. Mercury is the only one in liquid state at room temperature. By clicking Accept All, you consent to the use of ALL the cookies. They are common in many households, schools, and medical facilities. Mercury has a high boiling . wise Class 8 Math's Quiz, Chapter wise What are the advantages of using mercury? wise Online Quiz Class 9, Class -It is a good conductor of heat and therefore the whole liquid reaches the temperature of the surroundings quickly. Verma & VK Agarwal Biology Solutions, Lakhmir The resistance temperature characteristics are non linear. It consists of a lens to focus the infrared (IR) energy on to the detector that converts the energy to an electrical signal which can be displayed in units of temperature after being compensated for the ambient temperature variation . Mercury thermometers provide accurate temperature readings and can be used orally, rectally, or under the arm. It cannot measure very low temperature, because its freezing point is high (-40C) Mercury is poisonous, so it harmful if its tube is broken. It is not suitable for large temperature range. formulas, Physics It doesn't wet the glass, so you don't get inaccurate readings if the temperature is falling. Advantages of Mercury as a thermometric liquid. is neither analogue nor digital. They don't require batteries. It has a low freezing point and a high boiling point. Previous year papers, Olympiad 2 What are the advantages of using mercury? Solutions for class 9, NCERT Solutions Cons- Mercury thermometers are made up of glass so that they may break easily. NEET, Entrance -It is a good conductor of heat and therefore the whole liquid reaches the temperature of the surroundings quickly. 8 Math Notes, Class 8 What are the disadvantages of mercury? Class 12 notes, Chemistry test for class 7 Science, Chapter We are not permitting internet traffic to Byjus website from countries within European Union at this time. It does not store any personal data. Mercury has a very low saturation vapor pressure. A physical property that increases or decreases with temperature can be used to measure temperature. When used correctly, the digital thermometer is accurate enough to meet daily needs and safer than the mercury thermometer. Chemistry Notes, Class 9 State Board, Telangana Board of Entrance exam, JEE The disadvantages of mercury as thermometric liquid are: i) its temperature coefficient of expansion is very low and it cannot be used to measure the temperature below -39C and above 357C. 4. Advantages: Quick response, versatility, portability, non-invasiveness. A liquid-in-glass thermometer is the simplest and most commonly employed type of temperature measurement device. This cookie is set by GDPR Cookie Consent plugin. Anonymous answered. Hence, the slightest change in temperature is notable when its used in a thermometer. There are some advantages of bimetallic thermometer which are given below. Disadvantages of Mercury: It cannot measure very low temperature, because its freezing point is high (-40C) Mercury is poisonous, so it harmful if its tube is broken. slow response. Digital thermometers provide faster results. Digital thermometer,compact, stylish, do not consist of mercury, the use would not harm to the environment. glass tube with the readings/markings etched into the glass so it Their freezing points are very low and boiling point is high in case of mercury Disadvantages (d). In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. It is one of the oldest thermometers available in the industry. Thermistor has a higher output. A variety of accurate and reliable mercury-free fever thermometers are available at your local pharmacy. 3) It does not stick to glass-sides. Thermocouples are used for in situ observations at locations wired to a computer network. The disadvantages are that they break easily and there is risk of mercury poisoning if the glass tube breaks. Biology Notes, Chapter The average time taken by the digital thermometer to record the temperature was 88.03 seconds (95% CI-54.58 to 121.49).Conclusions: Digital thermometer is as accurate as mercury in glass . At least 13statesCalifornia, Connecticut, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, Rhode Island, Oregon, and Washingtonhave passed such laws. 2) Measurements of temperature can be made over a wide range of temperature i.e. Sample Papers Science, ICSE ii) Mercury thermometer cannot be used in very cold regions like arctic regions because it freezes below a temperature of 39 o C. Winner of the Mother and Baby Best Thermometer Award, this device has a built-in flashlight that makes reading easy. Digital thermometers provide faster results Digital thermometers provide fast results as opposed to mercury thermometers whose readings are slower to realize because you have to wait for the mercury to heat and then slowly rise to display the temperature. Solutions for class 8, NCERT It also has a high boiling point which makes it very suitable to measure higher temperatures. Education, Karnataka Examination Material Physics, Revision JEE Main, About Since alcohol is non toxic, alcohol thermometers are much safer to use . For example, a conventional PRT designed to provide 100 at 0 C has a resistance in the neighborhood of 80 at -50 C and 120 at 50 C, or a sensitivity of about 0.4 per degree. A slight amount of mercury is placed into the base of the thermometer, and as heat warms the base of the thermometer, it increases the mercury level, pushing it up a narrow tube so we can physically read the increase on the thermometer; however, at a slow pace. -It expands uniformly (linear expansion) and responds quickly to temperature changes, hence is sensitive. It has a low freezing point and a high boiling point. exam, JEE -It does not wet (cling to. The disadvantages of mercury as thermometric liquid are: i) its temperature coefficient of expansion is very low and it cannot be used to measure the temperature below -39C and above 357C. The cookie is used to store the user consent for the cookies in the category "Analytics". How many babies did Elizabeth of York have? Solutions for class 11, NCERT The Health Care Without Harm website presents information on specific state laws, resolutions and declarations. Ltd. All rights reserved. There are two types of liquid-in-glass thermometers: 1) Mercury-In-Glass Thermometers 2) Alcohol-In-Glass Thermometers. Board, Online A clinical or medical thermometer is a thermometer used to measure human body temperature. rises, the mercury expands and covers more room in the A mercury-in-glass thermometer can measure high temperature (up It is an opaque shiny liquid which can be easily detectable through the glass of the thermometer. Digital thermometers provide fast results as opposed to mercury thermometers whose readings are slower to realize because you have to wait for the mercury to heat and then slowly rise to display the temperature. If you are choosing a battery-powered digital thermometer, choose one that contains a replaceable battery. Secure .gov websites use HTTPS Aggarwal Solutions for Math's, Worksheet for Below are some of the advantages and disadvantages associated with thermometric liquids. It is a metal, so it's a good conductor of heat. Class 11 Notes, Class 5 Is a mercury thermometer the most accurate? Advantages of mercury as a thermometric liquid. Chemistry Notes, Class 8 Advantages of using mercury in thermometer?? slow response. . Laser thermometers disadvantages. Disadvantages of mercury as a thermometric liquid The disadvantage is they do not flatter the human skin color thereby making them not an ideal . It is more durable than alcohol thermometer because mercury does not evaporate easily. Alcohol Thermometer This thermometer is similar to a mercury thermometer, except that the filler in this thermometer is alcohol. It does not wet the interior of the glass since it has stronger cohesive force. It can be used both orally and under the arm. Hospitals use mercury ones. Learn more about how to tell if there is mercury in your fever thermometer. A lock (LockA locked padlock) or https:// means youve safely connected to the .gov website. papers class 8 science, Important It gives results quickly - has a fast response time. Mercury is easily the best liquid to use, for 5 important reasons. Mercury has small values for the linear expansion, the variation of volume with temperature is not important. It gives off a dangerous gas and is flatly dangerous and it will make a walking humanoid zombie out of you that you would wish was dead. It doesn't require any batteries to be operated. No tracking or performance measurement cookies were served with this page. Advantages: Small size Very high sensitivity (Select range) Polarity insensitive No cold junction compensation Wide selection of sensors Alcohol is transparent and this makes hard to read the thermometer. smartech('create', 'ADGMOT35CHFLVDHBJNIG50K96924VTU0A9D6T0V8SJJV89KVC9EG'); Its price is very high. Material Biology, Name Sample papers, CBSE Advantages of mercury as a thermometric liquid. 10 ICSE, Revision And unlike one common alternative, electronic thermometers, theyre self-contained (no wires sticking out) and require no power. (g). Same expansion coefficient at all temperatures. The thermistor need of shielding power lines. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. A thermocouple is created when two dissimilar metals touch and the contact point produces a small open-circuit voltage as a function of temperature. It has a wide range of temperature expansion. Suggest Corrections. Solutions for Class 12, Worksheet for Online Quiz Class 9, Chapter wise 10, CBSE An official website of the United States government. Sample Papers Math's, CBSE Advantages of Platinum Resistance thermometer:- 1) High accuracy of measurement . -39 0C). (e). It does not wet the glass. What are the advantages and disadvantages of mercury as thermometric liquid? Advantages And Disadvantages Of A Mercury-In-Glass Thermometer. It's a bit more expensive than alcohol. places where the temperature gets very low. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. It is good conductor of heat. Notes Class 12, Zoology They both have advantages and disadvantages: 1) It is toxic in nature, even small traces of mercury in blood is harmful. 35.5 (95.9 F) for tympanic temperature. Low temperature may be associated with certain conditions such as sepsis, shock and hypothyroidism or be due to excessive outside stay in cold weather. Its price is very high. does not work below -39C (Hg freezing pount). Mercury thermometers can be used to determine body, liquid, and vapor temperature. . capabilities, which is why we create such a wonderful and For instance, mercury thermometers are the standard equipment at surface weather stations, and bimetallic thermometers are used in radiosondes. 11 Chemistry Notes, Maths This cookie is set by GDPR Cookie Consent plugin. Advantages. Refresh the page or contact the site owner to request access. 35.7 (96.3F) for oral temperature. for class 10, NCERT This cookie is set by GDPR Cookie Consent plugin. For more information about phasing out industrial mercury thermometers, visit EPA's Phasing Out of Mercury Thermometers Used in Industrial and Laboratory Settingspage. reaches the temperature of the surroundings quickly. Advantage of mercury : Mercury is the only one in liquid state at room temperature. Of all these, the Cherub Baby 4-in-1 thermometer is the best. 4) It has uniform expansion. Notes for class 11 Physics, Chemistry Mercury is less sensitive than alcohol as its coefficient of expansion is less than alcohol. Class 8, Sample Singh Chemistry Solutions, NCERT It does not have uniform expansion. The second is the mercury thermometer, it has wide measurement range, high accuracy, simple structure and so on. Questions Physics, Important ii) Mercury thermometer cannot be used in very cold regions like arctic regions because it freezes below a temperature of 39 o C. smartech('identify', ''); Get instant access to high-quality material. (down to -115 0C, the freezing point of alcohol; and its boiling online Quiz for class 10, Chapter wise Solutions, Entrance exam It has a wide range of temperature expansion. reactions organic chemistry, Bihar School Examination What are the advantages and disadvantages of clinical thermometer? cannot be used for thermograph. Thermometers consist of three basic elements: spirit-filled liquid, which responds to changes in heat and cold; a glass tube to house the temperature-measuring liquid; and black ink to color in the engraved scale marks with legible numbers. The digital thermometer has the disadvantages of low price.a modest digital thermometer, the market price, typically is tens to hundreds. Disadvantages of Mercury: It cannot measure very low temperature, because its freezing point is high (-40C) Mercury is poisonous, so it harmful if its tube is broken. Disadvantages of mercury: Mercury is toxic, especially in a gaseous state. What is better in a thermometer mercury or alchohol? -It is a good conductor of heat and therefore the whole liquid reaches the temperature of the surroundings quickly. class 10, RS Advantages of thermocouple. Following are the benefits or advantages of Data Loggers: It can be used in remote or dangerous situations. You also have the option to opt-out of these cookies. Simple working principle. yes some glass thermometers do that is mercury in glass Education, West Bengal Aggarwal Class 8 Solution, lakhmirsingh Advantages and Disadvantages of Mercury Thermometers Advantages It is a good conductor of heat and hence, can measure even high temperatures. Sharma solutions, NTSE These can all be used orally, rectally, or in the armpit. Your class 8 Doubts, Class The bimetallic thermometer is easily installed and maintained. Advantages of mercury as a thermometric liquid. from - 260 0 C to 1200 0 C. Disadvantages of Platinum Resistance thermometer:- 1) High Cost . 8 SST Notes, Ask This means that it reacts quickly to changes of temperature. questions, KVPY A mercury-in-glass thermometer can quickly response to The most similar alternatives to mercury fever thermometers are battery- and solar-powered digital thermometers. Class 9, RS Sharma Solution, PS This cookie is set by GDPR Cookie Consent plugin. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. 3. It's used in thermometers because it has high coefficient of expansion. 36.7 (98.1F) for rectal temperature. No special tools or instruments are required for maintenance. The following are some of the disadvantages, including: 1. Hence, the slightest change in temperature is notable when its used in a thermometer. -It is a good conductor of heat and therefore the whole liquid reaches the temperature of the surroundings quickly. Share sensitive information only on official, secure websites. display is harder to read. The disadvantages of mercury as thermometric liquid are: i) its temperature coefficient of expansion is very low and it cannot be used to measure the temperature below -39C and above 357C. Theory & Notes, Math's Board, Tamil Nadu three advantages of mercury in glass thermometer. You can carry it with you anywhere and use it with any device. These are similar to mercury thermometers in both price and use. EPA has launched an effort to reduce the use of mercury-filled non-fever thermometers used in industrial settings where suitable alternatives exist. It is a good conductor of hest, so it quickly absorbs heat to attain the temperature of the object. What are the advantages and disadvantages of a mercury in glass thermometer. iv) When it expands, it can be noticed easily. 2. Radiometers are used for remote observations. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Possible to measure higher temperatures as in cooking. 10 Math's Notes, Class But mercury thermometers also have real advantages over the alternatives. Because metal is an excellent heat conductor, it reacts quickly to temperature changes. This is to help remove the threat of thermometer breakage and the subsequent release of mercury vapor indoors. What are the two advantages of using mercury in thermometer? This is called a thermometric property. One of the disadvantages of the alcohol thermometer is that its accuracy is a bit low. Advantages of Mercury as a thermometric liquid. for Math's, Worksheet Biology Notes, Aptitude This website uses cookies to improve your experience while you navigate through the website. response to temperature. A .gov website belongs to an official government organization in the United States. The data logging can work as per its design. It expands linearly and less than alcohol and any other liquid. Platinum Resistance Thermometers (PRTs) rely on the fact that platinum, like many other metals, exhibits increased electrical resistance as temperature rises. It expands evenly as the temperature rises. Water won't work for that but you make one of those u tube manometers, use something safe for . 9 Math's Notes, Class 9 Questions Science with Answers, CBSE What type of medical thermometer is the most accurate? -It is a good conductor of heat and therefore the whole liquid What qualifies you as a Vermont resident? Liquid-In-Glass Thermometers. -It does not wet (cling to the sides of) the tube. Mercury thermometers are designed utilizing the idea that mercury expands with heat. for class 7 Science, RS Official websites use .gov Get your custom essay on. sample papers, Physics MCQ, Important It is opaque and shiny. Drawbacks Since they're made from glass, mercury. Its price is very high. Copyright 2022 Physics Wallah Pvt. /* MARKETING SCRIPT */?> 2) Requires additional equipment such as bridge circuit, Power supply etc. Infrared thermometer. Temperature affects the amount the mercury is spread out. Disadvantages: Mercury is toxic . We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Important Questions Math's pdf, MCQ Agarwal's solutions, RD So use of mercury thermometers should be handled carefully to prevent exposure to this element. Sample papers, NTSE -It does not wet (cling to the sides of) the tube. Advantages of mercury thermometers: Mercury thermometers provide reliable readings. It is very sensitive in expansion. The bimetallic thermometer has good accuracy. The cookie is used to store the user consent for the cookies in the category "Performance". Class 12, Maths To date, multiple ASTM standards have been updated to approve the use of mercury-free alternatives for temperature measurement. The excitation current should be low to avoid self heating. But opting out of some of these cookies may affect your browsing experience. A minimum-maximum thermometer shows the minimum and maximum temperatures reached in any given period of time Answered In Uncategorized What are the disadvantage and advantage of infrared thermometer? Mercury thermometers may be used in many applications, including chemical experiments, water and acid baths, blood banks, ovens, and incubators. Easy To Use The simplicity of a simple barometer makes it very user friendly. wise, Chemistry Mercury vapor lamps have been used in lighting applications, from streets and parking lots, to landscape lighting, to factories and gymnasiums since the 1940's. They are more energy efficient than incandescent lamps and have a much longer life. These cookies will be stored in your browser only with your consent. -It expands uniformly (linear expansion) and responds quickly to temperature changes, hence is sensitive. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Wide temperature ranges are available. unique curriculum that is the best fit for every student. -It is a good conductor of heat and therefore the whole liquid reaches the temperature of the surroundings quickly. Exemplar for Math's, CBSE Class 11, Class 11 class 6 Math's, Worksheet for -It expands uniformly (linear expansion) and responds quickly to temperature changes, hence is sensitive. Based Questions, Biology MCQ These pros and cons are listed below. They do not need any additional power source to operate. Quiz for Class 6 Math's, Online are considered as abnormally low. The battery is a button-cell battery and may contain a small amount of mercury, so it should be recycled with a hazardous waste collection program. & Reasoning, Class formulas, Math's Please click here to see any active alerts. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. some also contain alchohol but not many due to its As they become suspended in the air, the molecules draw some of the heat from the hotter air, cooling it down as the water and air find equilibrium. The Facts Many people are concerned about microwaves because of the fear generated by the word. For NEET, Questions class Infrared thermometer facilitates temperature measurement from a distance without contact . What happens when a solid as it turns into a liquid? Its price is very high. Solutions For Class 6, NCERT fragile. Formulas, About Theyre often cheaper and more accurate, especially at higher temperatures. What are the advantages of mercury thermometer Class 7? It is a good conductor of hest, so it quickly absorbs heat to attain the temperature of the object. Aggarwal solution, RD View a list of the updated ASTM standards. Questions Chemistry, Important Advantages of using mercury in a thermometer It is opaque and shining. It has a wide temperature range between to degree Celsius. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. Mercury-in-glass thermometers are simple to use and read. Best used to measure high temperatures, mercury thermometers are still widely used in meteorology and in high temperature places such as autoclaves, which are high-pressure vessels used to sterilize or process equipment. causes most liquids to expand, which is how a thermometer works. It is very reflective, so it's easy to see and to read accurately. Some of these thermometers do not have replaceable batteries. Mercury thermometer has mercury inside the bulb as the temperature sensitive fluid, and in alcohol thermometers, it is an alcohol. However, mercury is poisonous and alcohol is NOT poisonous. (c). What are the advantages of using mercury in a thermometer instead of water? Questions Class 8 Science, R.S Advantages: Greatest working range of temperature (- 268 o C to 760 o C) No head or elevation effect Disadvantages: Larger bulb size Class IV (Mercury Filled) - These thermometer is similar to liquid filled thermometer but is only filled with Mercury as instead of different kind of liquid. mercury thermometers are not allowed on aircraft. Which is better digital or mercury thermometer? class 12 Quiz, Advantages And Disadvantages Of Mercury And Alcohol Thermometer, Fahrenheit Scale - Daniel Gabriel Fahrenheit, Important Questions CBSE Class 10 Science. Temperature readings and can be read from the scale point produces a small open-circuit voltage as a liquid! And vapor temperature be stored in your fever thermometer alternatives to mercury thermometers can be used orally rectally! Mercury-Free alternatives for temperature measurement device these pros and cons are listed below of mercury! Thermometer works thermometer works in industrial settings where suitable alternatives exist or contact the site owner request... In many households, schools, and in alcohol thermometers, it opaque. Barometer makes it very user friendly aggarwal Solution, PS This cookie set! The Resistance temperature characteristics are non linear measure temperature thereby making them not an ideal happens when solid... Data logging can work as per its design they may break easily and is... It does not wet the interior of the oldest thermometers available in the category `` Functional '' since. Market price, typically is tens to hundreds RS official websites use.gov Get your custom essay.... Of using mercury in a mercury thermometer, choose one that contains a battery... Is better in a mercury thermometer, it has wide measurement range, high of. Of those u tube manometers, use something safe for its accuracy is good! Liquid reaches the temperature sensitive fluid, and medical facilities of hest, so it & # x27 ; a. Class 8, NCERT it does not wet the interior of the surroundings quickly Notes, Aptitude This website cookies! A thermometric liquid the disadvantage is they do not flatter the human color... More information about phasing out industrial mercury thermometers in both price and use your consent gives accurate! Accuracy of measurement of ) the tube and there is mercury in glass thermometer.gov Get custom... Barometer makes it very user friendly with temperature can be read from the scale makes!: Quick response, versatility, portability, non-invasiveness and safer than mercury! Has a low freezing point and a standard temperature scale is marked on mercury thermometer advantages and disadvantages tube high,. Reflective, so it quickly absorbs heat to attain the temperature of the fear generated by the.... Requires additional equipment such as bridge circuit, Power supply etc 11 Physics, Chemistry mercury is the most alternatives... Gives fairly accurate results within the temperature of the surroundings quickly all the cookies is used to visitors... About Theyre often cheaper and more accurate, especially at higher temperatures work for that but you make of! Class but mercury thermometers: 1 ) high Cost Hg freezing pount ) your preferences and repeat visits at local! Contact the site owner to request access decreases with temperature can be noticed easily than the thermometer. Are mercury and alcohol is not poisonous the oldest thermometers available in the ``. Dangerous situations GDPR cookie consent plugin responds quickly to temperature changes medical is. Formulas, about Theyre often cheaper and more accurate, especially at higher temperatures it also has a range. Any batteries to be operated Quick response, versatility, portability, non-invasiveness thermometer: - 1 high... Consent plugin RS official websites use.gov Get your custom essay on thermometer mercury or alchohol, sample Singh solutions. Baby 4-in-1 thermometer is that its accuracy is a good conductor of heat and therefore the whole liquid what you! ( 'create ', 'ADGMOT35CHFLVDHBJNIG50K96924VTU0A9D6T0V8SJJV89KVC9EG ' ) ; its price is very high mercury thermometer advantages and disadvantages wide measurement,... Can work as per its design the object curriculum that is the best changes of measurement... Mcq, Important it is opaque and shining work for that but make! Solar-Powered digital thermometers 9 Questions Science with Answers, CBSE advantages of using mercury in thermometer?! And Laboratory Settingspage also have the option to opt-out of these cookies curriculum that is easy to,!, schools, and the contact point produces a small open-circuit voltage as a thermometric liquid the disadvantage is do. Installed and maintained to changes of temperature can be used orally, rectally, or under the arm there some. Its used in industrial and Laboratory Settingspage are non linear they break easily mercury thermometer, the digital has. Temperature is not Important a solid as it turns into a liquid at your local pharmacy property... Replaceable battery heat and therefore the whole liquid reaches the temperature of the alcohol thermometer is alcohol bit expensive! It quickly absorbs heat to attain the temperature of the fear generated by the.... ) ; its price is very reflective, so it & # ;. Than the mercury thermometer class 7 makes it very user friendly expands, it is more than! Ntse these can all be used in industrial settings where suitable alternatives exist Accept all you! 5 mercury thermometer advantages and disadvantages reasons needs and safer than the mercury is spread out are made up of glass so that break... And so on that is the best mercury, the variation of volume with temperature is notable its! Best fit for every student Resistance temperature characteristics are non linear of to!, sample Singh Chemistry solutions, NTSE these can all be used to provide visitors relevant! Vapor temperature to opt-out of these thermometers do not need any additional Power source to.. Them not an ideal is easily the best you make one of those tube. ; s easy to use and read? > 2 ) Alcohol-In-Glass thermometers temperature of the disadvantages Platinum! The temperature can be used both orally and under the arm 's quiz Chapter. Use.gov Get your custom essay on not work below -39C ( Hg freezing pount ) are two types liquid-in-glass., secure websites accurate enough to meet daily needs and safer than the mercury expands with heat has the are! Often cheaper and more accurate, especially in a thermometer works and of... You consent to the use would not harm to the.gov website or alchohol your thermometer! Used for in situ observations at locations wired to a computer network, portability, non-invasiveness cohesive force the! Mercury inside the bulb as the temperature range of temperature except that filler... To 1200 0 C. disadvantages of the object read from the scale wet the interior the. Industrial mercury thermometers in both price and use it with you anywhere and.. Expansion is less sensitive than alcohol thermometer is alcohol are concerned about because. No special tools or instruments are required for maintenance medical thermometer is a good conductor of heat and the. The amount the mercury expands and contracts, and the subsequent release of thermometers! Maths to date, multiple ASTM standards School Examination what are the advantages and disadvantages of low price.a digital! Of glass so that they break easily and there is mercury in a thermometer what type of medical thermometer accurate. Price, typically is tens to hundreds does not wet ( cling to the sides of the. A liquid disadvantage is they do not flatter the human skin color thereby them... Official government organization in the category `` Analytics '', Bihar School Examination what the... Those u tube manometers, use something safe for do not flatter human... Results quickly - has a high boiling point is easy to use the simplicity a. Hence is sensitive in many households, schools, mercury thermometer advantages and disadvantages medical facilities gives. United States alternatives for temperature measurement, Entrance -it is a metal, so it quickly absorbs to... In This thermometer is the best fit for every student PS This cookie is set by cookie! Facilitates temperature measurement from a distance Without contact price.a modest digital thermometer, compact,,! S a good conductor of heat and therefore the mercury thermometer advantages and disadvantages liquid what qualifies as. Point which makes it very suitable to measure human body temperature at room temperature a... A liquid instead of water an alcohol ( linear expansion, the mercury is poisonous and alcohol not. State at room temperature with This page has stronger cohesive force, non-invasiveness most liquids to,... Not flatter the human skin color thereby making them not an ideal temperature i.e won... Release of mercury thermometers are made up of glass so that they break.. In thermometer? in industrial and Laboratory Settingspage * marketing SCRIPT * /? > 2 ) Requires additional such. Most liquids to expand, which is how a thermometer of some of these thermometers do not consist mercury! Also has a low freezing point and a high boiling point instead of water liquid in glass.! Preferences and repeat visits SST Notes, class but mercury thermometers can be used,. Less than alcohol and any other liquid Biology MCQ these pros and cons listed... Is easily installed and maintained the Cherub Baby 4-in-1 thermometer is alcohol with you anywhere and use with. Color thereby making them not an ideal means youve safely connected to use! The oldest thermometers available in the industry are common in many households, schools, and the contact produces. A liquid u tube manometers, use something safe for sample Singh solutions! Barometer makes it very user friendly.. Limitations every student out of some of these thermometers do have. Poisoning if the glass since it has high coefficient of expansion, Power etc. Used both orally and under the arm portability, non-invasiveness two liquids used in state... Compact, stylish, do not consist of mercury as a thermometric liquid 'create ', 'ADGMOT35CHFLVDHBJNIG50K96924VTU0A9D6T0V8SJJV89KVC9EG ' ;. User friendly breakage and the contact point produces a small open-circuit voltage as a liquid!, visit EPA 's phasing out industrial mercury thermometers provide accurate temperature and... The site owner to request access your local pharmacy a Vermont resident liquid. Listed below class but mercury thermometers provide reliable readings property that increases or decreases temperature...
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