- Remove cover. Look for the liquid level inside the straw and use a permanent marker to draw a line on the bottle. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Beurer FT9 Digital and Body Thermometer, Water Resistant, LCD display with measurement range +/- .1 ºC, acoustic signal, without Mercury, without Glass, Color White. - Standard precautions like washing hands and wearing gloves if appropriate. Educational website from one of the world's leading hospitals, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/ba\/Use-a-Glass-Thermometer-Step-1.jpg\/v4-460px-Use-a-Glass-Thermometer-Step-1.jpg","bigUrl":"\/images\/thumb\/b\/ba\/Use-a-Glass-Thermometer-Step-1.jpg\/aid10921315-v4-728px-Use-a-Glass-Thermometer-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":" \u00a9 2021 wikiHow, Inc. All rights reserved. Slip the plastic sheath over the bottom tip of the thermometer. Mercury and alcohol thermometer have their own merits and demerits. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. These are similar to mercury thermometers in both price and use. Shake down the mercury in a glass thermometer before placing it under the tongue. Hold the baby or child still so that the thermometer doesn't break. Do this by holding the thermometer firmly and flicking the wrist until the mercury reads at or below the lowest number. 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. They are also safe, since they can withstand temperature extremes without breaking. % of people told us that this article helped them. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. A thermometer is an instrument for measuring or showing temperature (how hot or cold something is). Be very careful using a glass thermometer to check an axillary temperature on infants and children. You should choose a thermometer that is easy to use and read. read more . Mercury thermometers can be used to determine body, liquid, … Because of the low mercury content, potted soil or flour can be used to remove crushed residues. Efficiency is a major factor in using infrared 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. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker.
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. depends on the purpose or application for which you want to use the thermometer. Mercury is toxic if inhaled or if the liquid touches the skin. The thermometer must stay under the tongue for at least a minute to 2 minutes. 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). If you choose to use a glass thermometer, pick one that is mercury-free such as a Geratherm®. Cleaning Up Mercury Spills What NEVER to Do After a Mercury Spill. Learn more... Glass thermometers were once common, but now various types of digital thermometers are more prevalent. There are serious health risks if a glass mercury thermometer breaks. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. One type of thermometer is a narrow, concealed glass tube containing mercury or alcohol which extends along the tube as it expands.
Step-2 Gently press the measurement button to begin the test. Skin contact treatment. Do not clean up spilled mercury with bare … Medical doctors often use a version known as the maximum mercury thermometer to measure human body temperature. However, if a glass thermometer is your only option, just take precautions to make sure it's safe. - Remove the probe cover and/or wipe the thermometer with a dry tissue from stem to bulb. 4.1 out of 5 stars 136. Educational website from one of the world's leading hospitals Mercury thermometers are utilized in households, laboratory experiments, and industrial applications. How to Dispose of Mercury if Thermometer Breaks. 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. The main reason they are not longer recommended is that mercury can poison you. This Really Happened. If the worse should happen and the thermometer drops, cracks, or breaks, this is how to need to take care of it.
Reading a Mercury Glass Thermometer properly is essential, both at home and hospital. - Read temperature to nearest lines
[1] Always check the thermometer for cracks or leaks before using it to take a temperature. There are two kinds of glass thermometers, one with mercury and one without mercury. 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. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). If scientific procedures cannot be performed with non-mercury thermometers, Teflon coated mercury thermometers should be used. Mercury is volatile. 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.
This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. Mercury-free glass thermometer. Accurate checking of body temperature is vital for determining course of treatment or medication. Use a squeegee or cardboard to gather mercury beads into small mercury balls. Unlike a glass/mercury thermometer, a digital thermometer needs an electrical power source (battery) to function. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Most Common Uses. This can happen when the glass breaks and mercury is released. Other benefit of using mercury in glass thermometers is that the material has a high boiling point. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 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. Note: Mercury can move surprising distances on hard-flat surfaces, so be sure to inspect the entire room, including any cracks in … Do not use an alcohol swab before reading the temperature reading. 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. Avoid measuring body temperature under the tongue if the person is:
- using a nasogastric tube for feedings
Before using the mercury thermometer we must always clean it to ensure that it is properly disinfected. Cleanup and disposal after breaking a thermometer. Consider getting a digital thermometer instead. When an Oral Temperature should not be taken? The tube is sealed on both sides and from inside her deflated air. Galinstan thermometers have a silver colored line, but will be marked "mercury-free" when you buy one. Such thermometers use a metal probe to sense temperature. Mercury and alcohol thermometer have their own merits and demerits. Today's digital thermometers are faster. Use thermometers that do not contain mercury. Avoid mistakes as it could result in inappropriate therapy. 2. Top of Page. For homes still living in the dark ages and using mercury thermometers, you’re operating with a huge risk in the house. Be very careful using a glass thermometer … With the mercury level shows on the calibration, we can read the measurement results.
They don’t require batteries. For example, 100.2 degrees is between 100 and 101 while 102 degrees is between 102 and 103. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. These old-style thermometers are no longer available but some households still have them. Before Reading a Glass Mercury Thermometer
- Hold the thermometer at eye level and parallel to the floor. 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. It is weight much longer than digital thermometers. Sumtm Thermometer, Mercury-free Dual Scale Classic Traditional Glass Accuracy Thermometer for Home New. If you are choosing a battery-powered digital thermometer, choose one that contains a replaceable battery.
Mercury thermometers are no longer sold in the United States. 91. Reading a mercury thermometer is easy but require a bit of practice and skill. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 40 ($8.20/Count) FREE Shipping. Until recently 260° C was the typical limit for non-mercury thermometers. For this you must use a cotton ball soaked in alcohol and wipe the thermometer bulb, i.e. Rectal Mercury Thermometer should be shaken down so that the reading is well below 98 degrees F (36.67 degrees C). Digital thermometers are safer than glass thermometers because these do not contain mercury. 1. - Read Celsius scale to nearest 0.1 degree
If a mercury thermometer breaks or leaks, it can release toxic vapors. When choosing a thermometer, consider these options: Digital thermometers. At one end of the tube is a reservoir of mercury. 4 They can break, releasing small shards of glass and highly poisonous mercury. 4. It uses the resistance created by a temperature-sensitive metal when an electrical current is passed through it to make a measurement. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. A new Brown-Spirit thermometer has a maximum range greater than 300° C but the accuracy limit can be ± 5°C at high temperatures. “Mercury thermometers have to be held in place for nearly five minutes, and electronic devices for 90 seconds.” “That adds up if a nurse has to take the temperature of 10 or 15 babies several times.” It’s also common practice to take an infant’s temperature with an ear thermometer. Insert the Thermometer in the Appropriate Location Take a rectal temperature if the person is under … Tuck the bulb of the thermometer into the armpit and lower his arm over it 2. The Teflon coating will help to reduce releases of mercury should a thermometer be broken. Do not use alcohol swab before reading the temperature. 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. Mercury is a dangerous metal. An exception is on the high end of the temperature scale. 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. Alternatives to mercury fever thermometers. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. 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. There are 15 references cited in this article, which can be found at the bottom of the page. - Short lines on Fahrenheit scale indicate 0.2 degree
Plus, a rectal temperature is the most accurate for children. Restrictions on sales.
These sorts of thermometers are most commonly used in medicine and meteorology. $16.40 $ 16. 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 may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. The scale marked on the bar attached to the tube. the metal part which comes into contact with the body to measure the temperature. Individually calibrated at specified points and supplied with a Calibration Report stating corrections to one-tenth of the smallest division Ideal for use in quality… For this you must use a cotton ball soaked in alcohol and wipe the thermometer bulb, i.e. We use cookies to make wikiHow great. Normal body temperature range is 98.6 degrees F to 100 degrees F. Your child’s temperature can change with activity, eating, the amount of clothing he wears, or the time of day. Mercury-free, these calibrated thermometers conform to ASTM standards for methods specified in the ordering table below. Most Common Uses. Mercury thermometers will not be seen for much longer in people’s homes. - In a Fahrenheit thermometer:
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. 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. How to use iHealth No-Touch Forehead Thermometer PT3? Therefore, it’s capable of reading very high temperatures without breaking. NET Basal Mercury Thermometer is an accurate device to chart basal body temperature of women to predict their fertile period or ovulation (three days). With a few simple household materials, you can make a fun science experiment that can help you find the temperature! This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. The main reason they are not longer recommended is that mercury can poison you. If a mercury-containing thermometer is broken, do not clean up the spilled mercury with a vacuum cleaner. 0 0. wikiHow is where trusted research and expert knowledge come together. 5. How to Read a Mercury Glass Thermometer? 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. X This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. Ensure thermometer is away from people and objects before shaking. Step-3 The thermometer vibrates noiselessly once the reading is complete. Last Updated: April 1, 2019 … However, with just a few minutes and a few supplies, you can help protect your family from the spread of germs. Clean it quickly with paper. - Handle with care to prevent thermometer from chipping or breaking. If a mercury thermometer breaks, call poison control for more information. These can all be used orally, rectally, or in the armpit. Thermometers such as mercury thermometers, alcohol in glass thermometer, constant pressure gas thermometers, and platinum resistance thermometers are designed on the basis of technology. Trustworthy Source If a person drinks something hot or cold, one still needs to wait before testing their oral temperature. If you don't clean it, you could introduce germs to the next person who uses it. Geratherm Mercury Free Oral Glass Thermometer, Pack of 2. Take a reading from a mercury thermometer on a table to find the actual temperature of the room. Mercury is a dangerous metal. 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. They're often color-coded on the other end, red for anal and green for oral. If you do still have one of these thermometers, you should contact your local waste department and find how to dispose of hazardous waste properly. The thermometer will indicate that it’s ready to be used with a sound, light, or both.
If you have an older child or an adult, go to the doctor for a temperature of 103 °F (39 °C) or higher. Usually, this process has to be 5-10 mins. Because different models may have slightly different reading methods, one should first read manufacturer�s directions which comes with all mercury thermometers. * Long lines indicate 1 degree. Better accuracy for temperature … In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. Now, place the bulb end of the thermometer under the tongue and ask the person to close his mouth
This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2021 wikiHow, Inc. All rights reserved. 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. Black Gram Family,
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