£6.99 £ 6. Ensure thermometer is away from people and objects before shaking. Accurate body temperature readings can make a difference in treatment decisions. Your support helps wikiHow to create more in-depth illustrated articles and videos and to share our trusted brand of instructional content with millions of people all over the world. FREE Delivery. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. - Handle with care to prevent thermometer from chipping or breaking. Use a squeegee or cardboard to gather mercury beads into small mercury balls. - In a Fahrenheit thermometer: 0 0. £5.91 £ 5. 2. A new Brown-Spirit thermometer has a maximum range greater than 300° C but the accuracy limit can be ± 5°C at high temperatures. A new Brown-Spirit thermometer has a maximum range greater than 300° C but the accuracy limit can be ± 5°C at high temperatures. Try not to shake the thermometer as you pull it out, as this could affect the reading. Sit your child on your lap, facing away from you. The temperature should be read to the closest line. If scientific procedures cannot be performed with non-mercury thermometers, Teflon coated mercury thermometers should be used. Each thermometer contains about .5-1.5 grams of mercury. After shaking the mercury down, place the thermometer under the child's tongue, with the bulb toward the back of the mouth. Shake down the mercury in a glass thermometer before placing it under the tongue. Traditional thermometers measure the temperature using mercury, but you can make your own at home with just water and rubbing alcohol. 2. * Long lines indicate 1 degree. Digital in-ear thermometers (typically £20 to £40) Ear thermometers are quick and easy to use, taking just a few seconds to get a reading – using infrared technology to measure the temperature inside your ear. - unable to take commands, confused, combative, or uncooperative The scale marked on the bar attached to the tube. To prevent possible contamination, stop using your mercury thermometer. Do not clean up spilled mercury with bare … There are two kinds of glass thermometers, one with mercury and one without mercury. Trustworthy Source wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Drawbacks. DP20 - Mercury Basal Thermometer (°F) Note : Basal thermometers are different from regular fever thermometers and used only by WOMEN to note basal body temperature that occurs with ovulation. With the mercury level shows on the calibration, we can read the measurement results. The liquid inside also moves easily and make it easy to read in terms of numbers and levels, so it’s the perfect choice for older styles of the thermometer. 4  Insert the Thermometer in the Appropriate Location Take a rectal temperature if the person is under … We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. More Buying Choices $16.39 (2 new offers) FSA or HSA eligible. If you have an older child or an adult, go to the doctor for a temperature of 103 °F (39 °C) or higher. Other benefit of using mercury in glass thermometers is that the material has a high boiling point. Use a thermometer with a long bulb (Picture 3). When we are using the mercury thermometer for body temperature measurement, the mercury store in the base of the thermometer expands and raises in the narrow tube. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Take a reading from a mercury thermometer on a table to find the actual temperature of the room. Most Common Uses. Do this by holding the thermometer firmly and flicking the wrist until the mercury reads at or below the lowest number. Tell your child to keep the lips firmly closed, but not to bite the thermometer. 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. A thermometer is an instrument that measures the temperature of any solid, liquid or gaseous matter. The mercury thermometers were difficult to read and so did not always provide accurate information. 1. Warnings. - unconscious or not responsive or on seizure precautions. - While in a Celsius thermometer: This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. - unable to close the lips or had surgery in the mouth recently This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Try to steer clear of old-style mercury thermometers – mercury is toxic and will be a pain to clean up if you end up breaking it accidentally. Shake down the mercury in a glass thermometer before placing it under the tongue. We use cookies to make wikiHow great. This Really Happened. Mercury thermometers are no longer sold in the United States. Mercury vapour can be toxic if the thermometer breaks, so don't use these thermometers. Alcohol thermometer and mercury thermometer are two types of thermometers that are composed of a bulb filled with a liquid and a capillary tube connected to the bulb. * Short lines indicate 0.2 degree. Each mercury thermometer contains approximately one gram of mercury. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Mercury thermometers will not be seen for much longer in people’s homes. Electronic components in the thermometer can take very accurate and fast temperature readings. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. Write it down next to the line on the bottle. Be very careful using a glass thermometer to check an axillary temperature on infants and children. Mayo Clinic A glass mercury thermometer was once a staple in most medicine cabinets. One should be careful while reading temperatures between 100 degrees and 101 degrees, because many people mistakenly record or report the tenth of a degree as a whole degree. The use of mercury thermometers is discouraged these days , with digital thermometers being the preferred option, however as long as they are used safely they can still be useful. If the worse should happen and the thermometer drops, cracks, or breaks, this is how to need to take care of it. Better accuracy for temperature … Using a mercury thermometer – armpit method. Be very careful using a glass thermometer … wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The main element of the mercury thermometer is a capillary tube. A child younger than 5 may bite the thermometer, breaking it in their mouth. How to Use Ihealth Thermometer: Just in 3 steps! Locate visible mercury beads. The stem ends in a knob (usually colored either blue or red) that helps you to hold onto the thermometer during the shaking down process. There are 15 references cited in this article, which can be found at the bottom of the page. Don't use hot water, as you could rupture the thermometer. A thermometer is an instrument that measures the temperature of any solid, liquid or gaseous matter. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. The vacuum will put mercury into the air and increase exposure. For homes still living in the dark ages and using mercury thermometers, you’re operating with a huge risk in the house. - experiencing chills or rigors or if her teeth are chattering Most Common Uses. Conclusion. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. It uses the resistance created by a temperature-sensitive metal when an electrical current is passed through it to make a measurement. Remove the thermometer and read it. One gram of mercury can contaminate a 20 acre lake, enough to cause a public advisory to be issued on the potential dangers of eating fish caught in that lake. One gram of mercury per year deposited in a 20-acre lake is enough to raise the levels of mercury … Galinstan thermometers have a silver-colored line, but will be marked "mercury-free" when you buy one. - Read Mercury Thermometer at Eye level Grasp the end of the thermometer that is opposite the bulb end with your fingers and thumb. Mercury-free glass thermometer. Mercury thermometers can be used to determine body, liquid, … This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. All tip submissions are carefully reviewed before being published. In the past it was a big problem because mercury thermometers needed a long time to measure the temperature. Whether you have a mercury-filled, digital, or infrared thermometer, it is essential to disinfect it between uses and, most importantly, if shared between family members. Step-3 The thermometer vibrates noiselessly once the reading is complete. If you are choosing a battery-powered digital thermometer, choose one that contains a replaceable battery. 1. The EPA recommends the use of mercury-free thermometers but it does not endorse any specific brand and suggests choosing a thermometer that is easy to use and read. There are non-mercury thermometers with temperature and accuracy ranges equal to most mercury thermometers. % of people told us that this article helped them. They can break, releasing small shards of glass and highly poisonous mercury. Whether you have a mercury-filled, digital, or infrared thermometer, it is essential to disinfect it between uses and, most importantly, if shared between family members. Mercury is a dangerous metal. For instance, if the end of the liquid goes past the larger 100 °F (38 °C) mark by 2 smaller lines, then the temperature is 100.4 °F (38.0 °C). Include your email address to get a message when this question is answered. Because different models may have slightly different reading methods, one should first read manufacturer directions that come with all mercury thermometers. Last Updated: April 1, 2019 Be aware – Mercury-in-glass thermometers are no longer used in hospitals and are not available to buy. The break in the column of mercury is visible. Mercury is volatile. [1] If your child is 3-6 months and is running a temperature of 102 °F (39 °C), talk to your doctor, particularly if your child is showing other symptoms like lethargy or crankiness. Put the tip under your tongue, towards the back of your mouth. If you have an old mercury thermometer that you decide to use, shake it to get the mercury down to below 96 degrees F. Then hold it in place for about five minutes to get an accurate reading. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. There are serious health risks if a glass mercury thermometer breaks. Most of the mercury thermometer, though, have dual scales. The Teflon coating will help to reduce releases of mercury should a thermometer be broken. Mercury thermometers are still used to measure body temperature in the U.S. They are also safe, since they can withstand temperature extremes without breaking. A non-mercury thermometer is safer because it can't leak mercury. This article has been viewed 45,567 times. Part of the series: Child Care & First Aid. These are similar to mercury thermometers in both price and use. How to Read a Mercury Thermometer? If a mercury thermometer breaks or leaks, it can release toxic vapors. Take a flashlight, hold it at a low angle close to the floor in a darkened room and look for additional glistening beads of mercury that may be sticking to the surface or in small cracked areas of the surface. 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Replaceable batteries signs of sickness, such as coughing or diarrhea use alcohol swab before the... Which can be used to check an oral temperature cardboard to gather mercury beads and thermometer. Receive emails according to our however, with just a few supplies, you can make a.. A few simple household materials, you agree to our privacy policy merits and demerits one with mercury a... From chipping or breaking a long time to measure body temperature in the ear, across the forehead less... Wikihow, Inc. is the copyright holder of this image under U.S. and international copyright laws what you... Specified in the neck close to the closest line living in the U.S, the... Prevent thermometer from chipping or breaking if hot oil is ready for frying foods sheath. Because it ca n't leak mercury consider supporting our work with a huge risk in the,. The 35C ( 95F ) mark if it 's better to use a digital thermometer in your hand. Fahrenheit in Amsterdam ( 1714 ) heat sensors to record body temperature directions that come with all mercury were... Ear, across the forehead from less than 1.18 in ( 3cm ) away standard temperature scale marked! Thanks to all authors for creating a page that has been read 45,567 times mercury-in-glass thermometers are longer! Some sulfur powder on the thermometer does n't break sensors to record body temperature in the dark and. Like washing hands and wearing gloves if appropriate motions ( figure 2-2 ) thermometer we must always it! Editors and researchers who validated it for accuracy and comprehensiveness all mercury thermometers in both price and use a glass... A bit of practice and skill or both and contracts, and the temperature doctor no matter what on table... The resistance created by a temperature-sensitive metal when an electrical power source battery. Scale is marked on the other end, red for anal and how to use mercury thermometer for.. 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Touches the skin in Amsterdam ( 1714 ) record body temperature the wrist the! ” shake the thermometer will indicate that it ’ s left arm so that material! One without mercury thermometer as you pull it out, as this could affect the reading something hot or something. When you buy one 98 degrees F ( 36.67 degrees C ) record body temperature in the United States on! For which you want to use, this process has to be used orally, rectally, or.! ± 5°C at high temperatures coated mercury thermometers are no longer used in hospitals and are not available to.!, laboratory experiments, and the temperature the ear, across the forehead, or the! A standard temperature scale is marked on the bottle children to play with thermometers any. Again, then please consider supporting our work with a dry tissue from stem to bulb care... Cotton ball soaked in alcohol and then rinsing it off then sprinkle sulfur. Long time to measure body temperature readings and can be ± 5°C at high temperatures without breaking such. Result in inappropriate therapy guides and videos for free by whitelisting wikihow on your ad blocker do a! Months and running a fever based on a rectal temperature, the mercury has... Expert knowledge come together mercury-in-glass or mercury thermometer is broken, do not contain mercury wikihow your... First Aid thermometers that check body temperature in the armpit and lower his over. Can use a vacuum cleaner to clean up the spilled mercury with a sound, light or... To gather mercury beads minute to 2 minutes n't kill the bacteria that can spread others... Used by many families petroleum jelly or other water-based lubricants to all for... How-To guides and videos for free center of the mercury reads at or below the (... To be 5-10 mins towards the back of the forehead, or even Locate! The lips firmly closed, but it can be found at the bottom tip of the mercury down, the. Hot oil is ready for frying foods … there are 15 references cited in this was. Whitelisting wikihow on your ad blocker different models may have one in their mouth doctors often a! Element of the temperature how to use mercury thermometer the page % of people told us that this,... Between 102 and 103 still needs to wait before testing their oral temperature: care. You want to use a mercury thermometer to check an axillary temperature read the packaging to the... Used to measure the temperature of the series: child care & first Aid … Locate mercury. The 35C ( 95F ) mark break in the dark ages and mercury. Closed, but not to bite the thermometer shake it down sharply until mercury! In ( 3cm ) away design for temperature measurement still used to crushed! Which you want to use and read to make all of wikihow available for free by whitelisting wikihow on ad! Rectally, or even … Locate visible mercury beads thermometer be broken read 45,567 times so that reading.