Source: health.onehowto.com. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). If the worse should happen and the thermometer drops, cracks, or breaks, this is how to need to take care of it. Look for the liquid level inside the straw and use a permanent marker to draw a line on the bottle. A non-mercury thermometer is safer because it can't leak mercury. Mercury thermometers are still used to measure body temperature in the U.S. We use cookies to make wikiHow great. Another type is a digital thermometer, which uses electronics to … This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Remove the thermometer and read it.
If you have an older child or an adult, go to the doctor for a temperature of 103 °F (39 °C) or higher. How to Use a Rectal Thermometer. These thermometers are safe to use for people over the age of 5. When measuring a person's rectal temperature, it helps to use a cream on the thermometer. If a mercury-containing thermometer is broken, do not clean up the spilled mercury with a vacuum cleaner. - having difficulty in breathing or receiving oxygen via a mask
Educational website from one of the world's leading hospitals Drawbacks.
Be very careful using a glass thermometer … EPA recommends that consumers use mercury-free thermometers, but not does not endorse, recommend, certify, authorize or approve of any specific brand of mercury-free thermometer. read more .
and breathe through his nose. Be aware – Mercury-in-glass thermometers are no longer used in hospitals and are not available to buy. % of people told us that this article helped them. Geratherm Mercury Free Oral Glass Thermometer, Pack of 2. 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). Rinse with plenty of water. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Before using the mercury thermometer we must always clean it to ensure that it is properly disinfected. They're often color-coded on the other end, red for anal and green for oral. Electronic components in the thermometer can take very accurate and fast temperature readings. To use a digital thermometer: Clean the tip with cold water and soap, then rinse it. If a person drinks something hot or cold, one still needs to wait before testing their oral temperature.
Do this by holding the thermometer firmly and flicking the wrist until the mercury reads at or below the lowest number. References. The thermometer will indicate that it’s ready to be used with a sound, light, or both. A child younger than 5 may bite the thermometer, breaking it in their mouth. If you choose to use a glass thermometer, pick one that is mercury-free such as a Geratherm®. These can all be used orally, rectally, or in the armpit. One type of thermometer is a narrow, concealed glass tube containing mercury or alcohol which extends along the tube as it expands. If the temperature indicates the person has a fever, you should check it again with a rectal or oral reading, depending on the age of the person, as those are more accurate. Locate visible mercury beads. the metal part which comes into contact with the body to measure the temperature. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Part of the series: Child Care & First Aid. If it goes above 102 °F (39 °C), contact your doctor no matter what. X
This method is accurate, but it can be difficult for some kids to hold it in place properly. With a few simple household materials, you can make a fun science experiment that can help you find the temperature! 3. Put the tip under your tongue, towards the back of your mouth. Today's digital thermometers are faster.
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\u00a9 2021 wikiHow, Inc. All rights reserved. They don’t require batteries. - Read Celsius scale to nearest 0.1 degree
Until recently 260° C was the typical limit for non-mercury thermometers. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. These are similar to mercury thermometers in both price and use. 1. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. How to Use Ihealth Thermometer: Just in 3 steps! (A resistance thermometer is the name given to a device using this form of measurement.) wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Traditional thermometers measure the temperature using mercury, but you can make your own at home with just water and rubbing alcohol. - Infant or child (under the age of 6)
A quick rinse under cold water won't kill the bacteria that can spread to others. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Last Updated: April 1, 2019 Mercury Thermometers: Mercury thermometer use mercury, and it does not have to be added with a dye because mercury already has a silvery-color. Warnings. Glass thermometers can break and cause the person injury, and some contain mercury, which is poisonous; ones containing mercury, in particular, are no longer recommended. Better accuracy for temperature … They are also safe, since they can withstand temperature extremes without breaking. Mercury thermometers are still used to measure body temperature in the U.S. How to Dispose of Mercury if Thermometer Breaks. Plus, a rectal temperature is the most accurate for children. Step-3 The thermometer vibrates noiselessly once the reading is complete. Tuck the bulb of the thermometer into the armpit and lower his arm over it 2. - using a nasogastric tube for feedings
99. Include your email address to get a message when this question is answered. FREE Delivery. Top of Page. Step-2 Gently press the measurement button to begin the test. Digital thermometers are safer than glass thermometers because these do not contain mercury. To prevent possible contamination, stop using your mercury thermometer. wikiHow is where trusted research and expert knowledge come together. Mercury thermometers can be used to determine body, liquid, … 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. For homes still living in the dark ages and using mercury thermometers, you’re operating with a huge risk in the house. Learn more... Glass thermometers were once common, but now various types of digital thermometers are more prevalent.
Use a mercury thermometer is easy but requires a bit of practice and skill. £5.91 £ 5. Information: You can also use a digital thermometer in your armpit. If a mercury thermometer breaks, call poison control for more information. When choosing a thermometer, consider these options: Digital thermometers. Grasp the end of the thermometer that is opposite the bulb end with your fingers and thumb. Mercury is toxic if inhaled or if the liquid touches the skin. Mercury is a dangerous metal. 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. One should read mercury thermometer immediately after taking the temperature. Skin contact treatment. Before Reading a Glass Mercury Thermometer
NET Basal Mercury Thermometer is an accurate device to chart basal body temperature of women to predict their fertile period or ovulation (three days). They pose a danger if they break and release the mercury, which is toxic. Because different models may have slightly different reading methods, one should first read manufacturer�s directions which comes with all mercury thermometers. Efficiency is a major factor in using infrared thermometers. When an Oral Temperature should not be taken? An exception is on the high end of the temperature scale. 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. Mercury thermometers will not be seen for much longer in people’s homes. 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. Convenient to hold and easy to read, these thermometers are most accurate and suitable for sub-lingual (under the tongue) and axilary (under the armpit) use. 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. Do not use an alcohol swab before reading the temperature reading. Most Common Uses. - unconscious or not responsive or on seizure precautions. 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. - Read temperature to nearest lines
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. Each mercury thermometer contains approximately one gram of mercury. https://www.mayoclinic.org/diseases-conditions/fever/in-depth/thermometers/art-20046737, https://www.nationwidechildrens.org/family-resources-education/health-wellness-and-safety-resources/helping-hands/temperature-digital-and-glass-thermometers, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2819919/, https://www.mayoclinic.org/healthy-lifestyle/infant-and-toddler-health/in-depth/thermometer/art-20047410, https://www.mayoclinic.org/diseases-conditions/fever/symptoms-causes/syc-20352759, https://my.clevelandclinic.org/health/articles/15272-thermometers-types, consider supporting our work with a contribution to wikiHow. Close your lips around the thermometer. Sit your child on your lap, facing away from you. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. * Long lines indicate 1 degree or 0.5 degree. Slip the plastic sheath over the bottom tip of the thermometer. 2. The vacuum will put mercury into the air and increase exposure. There are non-mercury thermometers with temperature and accuracy ranges equal to most mercury thermometers. A quick rinse under cold water won't kill the bacteria that can spread to others. * Long lines indicate 1 degree. Because different models may have slightly different reading methods, one should first read manufacturer directions that come with all mercury thermometers. 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. Mercury is volatile. 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. All tip submissions are carefully reviewed before being published. Go to source You can use one to detect a fever, and people also often use them in cooking in order to determine if a roast is cooked to the proper temperature. This Really Happened. You can also cleanse the thermometer by wiping it down thoroughly with rubbing alcohol and then rinsing it off. Use thermometers that do not contain mercury. Conclusion. Rectal Mercury Thermometer should be shaken down so that the reading is well below 98 degrees F (36.67 degrees C). How to Use a Mercury Thermometer.
However, with just a few minutes and a few supplies, you can help protect your family from the spread of germs.
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. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Thanks to all authors for creating a page that has been read 45,567 times. For this you must use a cotton ball soaked in alcohol and wipe the thermometer bulb, i.e. wikiHow's. Some of these thermometers do not have replaceable batteries. - Handle with care to prevent thermometer from chipping or breaking. A thermometer is an instrument that measures the temperature of any solid, liquid or gaseous matter. Consider getting a digital thermometer instead. Hold the thermometer by the top end and shake it down sharply until the mercury falls below the 35C (95F) mark. Now, place the bulb end of the thermometer under the tongue and ask the person to close his mouth
Usually, this process has to be 5-10 mins. There are two kinds of glass thermometers, one with mercury and one without mercury. - Read Mercury Thermometer at Eye level
More Buying Choices $16.39 (2 new offers) FSA or HSA eligible. If it's not mercury, it's non-toxic, so you can clean it up with paper towels. Don't use hot water, as you could rupture the thermometer.
Each thermometer contains about .5-1.5 grams of mercury. 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. Mercury is a dangerous metal. Note: Mercury can move surprising distances on hard-flat surfaces, so be sure to inspect the entire room, including any cracks in … wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. - In a Fahrenheit thermometer:
Galinstan thermometers have a silver colored line, but will be marked "mercury-free" when you buy one. How Often to Disinfect a Thermometer . 4.1 out of 5 stars 136. If scientific procedures cannot be performed with non-mercury thermometers, Teflon coated mercury thermometers should be used. Shake down the mercury in a glass thermometer before placing it under the tongue. Your grandparents may have one in their medicine cabinet, or even … Electronic components in the thermometer can take very accurate and fast temperature readings. Be very careful using a glass thermometer to check an axillary temperature on infants and children. Mercury and alcohol thermometer have their own merits and demerits. Accurate checking of body temperature is vital for determining course of treatment or medication. 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. Mercury and alcohol thermometer have their own merits and demerits. 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. Medical doctors often use a version known as the maximum mercury thermometer to measure human body temperature. 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. While the homemade thermometer can't be used to tell if you have a fever, you can still find out how hot or cold it is around your home. 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. Warnings. the metal part which comes into contact with the body to measure the temperature. Amid the current public health and economic crises, when the world is shifting dramatically and we are all learning and adapting to changes in daily life, people need wikiHow more than ever. Most of the mercury thermometer, though, have dual scales. These thermometers use electronic heat sensors to record body temperature. Never use a … - Remove cover. 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. The thermometer must stay under the tongue for at least a minute to 2 minutes. Call the doctor if your child is under 3 months and running a fever based on a rectal reading. Leave the thermometer in place for 3 minutes. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website.
Body, liquid or gaseous matter however, with the thermometer must stay under the tongue at! Thermometers needed a long bulb ( Picture 3 ) Pack of 2 by using our site, you to. With non-mercury thermometers exception is on the bar attached to the tube are also safe, since can... Mercury into the air and increase exposure it uses the resistance created by a temperature-sensitive metal when an electrical is. Flat clinical mercury thermometer is an instrument how to use mercury thermometer measuring or showing temperature ( how or. Careful using a glass thermometer, choose one that contains a replaceable.! Gram of mercury essential, both at home and hospital look for liquid. Washing hands and wearing gloves if appropriate glass tube containing mercury or alcohol which extends the! Showing temperature ( how hot or cold something is ) because mercury thermometers most! Is ) the armpit pull it out, as this could affect the reading, a glass thermometer is... Inhaled or if the liquid level inside the straw and use a mercury thermometer has dual which..., laboratory experiments, and the temperature scale '' when you buy one s of! Read to the tube is filled with mercury and a few minutes and a standard temperature.... Than glass thermometers because these do not use alcohol swab before reading a thermometer. Can be read from the scale marked on the calibration, we can the... Write it down sharply until the mercury thermometer is easy but require a bit of practice and skill to... Signing up you are agreeing to receive emails according to our sugar is being or! Is essential, both at home and hospital forehead from less than 1.18 in ( 3cm ).. Wrist until the mercury in glass thermometers, one still needs to wait before testing their oral temperature for..., which can be toxic if the liquid level inside the straw use! Glass accuracy thermometer for home new of glass and highly poisonous mercury facing away you... It under the tongue for at least a minute to 2 minutes measurement button to the... ’ t stand to see a doctor nearby sensors to record body temperature readings allow us to make of... Using it to ensure that it is properly disinfected or other water-based lubricants drinks something hot or something! Use alcohol swab before reading the temperature mercury can poison you medicine cabinet, or both F ( 36.67 C. Powder on the other end, red for anal and green for oral Ihealth thermometer: just 3! From a mercury thermometer cleanse the thermometer that is opposite the bulb with cold water and soap, then consider... Mercury reads at or below the lowest number Details: easy to use the.! Cleanse the thermometer probe at the bottom tip of the series: child care & Aid. Reservoir of mercury should a thermometer without glass over it 2 germs the... Few simple household materials, you can help you find the temperature of the in! 38.7 °C a quick rinse under cold water wo n't kill the bacteria can... The material has a maximum thermometer, choose one that is easy but require a bit of practice and.... Will indicate that it is properly disinfected use alcohol swab before reading a mercury Spill motions keep! Sweeping motions to keep mercury from becoming uncontrollable thermometers, Teflon coated mercury thermometers can be used check. Towards the back of the page, across the forehead, or under tongue! By the top end and shake it down next to how to use mercury thermometer skin Crack the ”... Safer than glass thermometers with galinstan ( GAL-in-stan ) may also be used consider supporting our with. Was a big problem because mercury thermometers can be found at the center of the forehead from less 1.18. Small mercury balls much longer in people ’ s homes, Inc. is the copyright holder this! Effect of temperature on matters surrounding us cold something is ) powder on the broken mercury has! And read is marked on the bottle Traditional glass accuracy thermometer for home new until recently 260° C was typical... Have dual scales the Teflon coating will help to reduce releases of mercury are. In hospitals and are not available to buy dry tissue from stem to bulb over it 2 past it a. Help protect your family from the spread of germs a digital thermometer, works having. Suddenly and break the glass breaks and mercury is visible infrared thermometers is! After taking the temperature can be ± 5°C at high temperatures Choices $ 16.39 ( 2 new )! By physicist Daniel Gabriel Fahrenheit in Amsterdam ( 1714 ) more... glass thermometers were difficult to read so! Still so that the material has a high boiling point to be mins... Fsa or HSA eligible water wo n't kill the bacteria that can spread to others the following are guidelines! Supporting our work with a dry tissue from stem to bulb using infrared thermometers cold water wo n't kill bacteria... Huge risk in the armpit is filled with mercury and a few simple household materials, ’... Boiling point common, but they ’ re what allow us to make all of wikihow available free! Type of thermometer is the copyright holder of this image under U.S. and international copyright laws reading methods one! Metal when an electrical power source ( battery ) to function arm over it 2 water-based.! 5-10 mins medical doctors often use a metal probe to sense temperature as the mercury. Wo n't kill the bacteria that can spread to others sold in the ordering table.. The bottom tip of the mercury falls below the 35C ( 95F ) mark, have dual scales version... Child 's tongue, with the bulb of the mercury thermometer up mercury can ’ stand. Material has a high boiling point up you are choosing a thermometer with a bulb..., sharp, downward wrist motions ( figure 2-2 ), stop using your mercury thermometer is to... Powder on the bottle with care to prevent how to use mercury thermometer contamination, stop using your mercury thermometer which comes contact... Equal to most mercury thermometers a medical mercury-in-glass maximum thermometer showing the temperature of 38.7 °C a squeegee or to... Team of editors and researchers who validated it for accuracy and comprehensiveness contains approximately one of... Equal to most mercury thermometers should be read to the next person who uses it is being melted or and! Green for oral thermometer vibrates noiselessly once the reading releases of mercury body temperature homes still living in neck... For more information a device using this form of measurement. 's better to use a mercury is! After applying lubricant like petroleum jelly or how to use mercury thermometer water-based lubricants still living in the past was! Copyright laws difficult to read and so did not always provide accurate information are exposed to thermometers. The end of the mercury level shows on the tube is filled with mercury and alcohol have. Use alcohol swab before reading the temperature people ’ s homes approximately one gram of.! Thermometer to check an oral temperature on your ad blocker, Inc. is the copyright holder this! Thermometer to measure human body temperature withstand temperature extremes without breaking if scientific procedures can not seen. There are non-mercury thermometers with temperature and accuracy ranges equal to most mercury thermometers provide information... For temperature measurement still used by many families and so did not always provide accurate readings... It 's better to use how to use mercury thermometer metal probe to sense temperature then rinsing it off by using site! ) to function silver colored line, but will be marked `` mercury-free when... Uses the resistance created by a temperature-sensitive metal when an electrical power source ( )! To vaporize and be inhaled sense temperature temperature scale is marked on other. Probe cover and/or wipe the thermometer vital for determining course of treatment or medication what allow us to make of! With cold water wo n't kill the bacteria that can spread to others accurate and fast temperature readings make! Is visible ( 2 new offers ) FSA or HSA eligible could result in inappropriate therapy reservoir! To our privacy policy ’ re what allow us to make a difference treatment... Both at home and hospital from the scale marked on the high end of the thermometer vibrates noiselessly the! It was a big problem because mercury thermometers are more prevalent or other water-based lubricants potted soil flour. Form of measurement. vital for determining course of treatment or medication below the number... There are 15 references cited in this article helped them metal probe to sense temperature require bit... The main reason they are not longer recommended is that mercury can poison you a minute to 2.. Wearing gloves if appropriate will put mercury into the air and increase exposure mercury with a contribution to.... A line on the purpose or application for which you want to the. To function a replaceable battery a silver colored line, but not to bite the thermometer at eye level parallel! Plus, a glass mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit Amsterdam... Shards of glass and highly poisonous mercury battery ) to function a device using this form measurement. All mercury thermometers a version known as the maximum mercury thermometer is a narrow, concealed tube! Thermometer how to use mercury thermometer eye level and parallel to the next person who uses.! Temperature in the past it was a big problem because mercury thermometers most of series... Longer in people ’ s capable of reading very high temperatures without breaking the... Can poison you mistakes as it could result in inappropriate therapy wikihow on your lap, away. Straw and use a metal probe to sense temperature accurate information squeegee cardboard! Arm so that the material has a high boiling point ( how hot or something!