Remove the thermometer and read it. 4.1 out of 5 stars 136. - unable to close the lips or had surgery in the mouth recently 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. depends on the purpose or application for which you want to use the thermometer. Avoid mistakes as it could result in inappropriate therapy. 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. Before Reading a Glass Mercury Thermometer. Today, mercury thermometers aren't recommended because they can break and allow mercury to vaporize and be inhaled. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. They are also safe, since they can withstand temperature extremes without breaking. 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. Do this by holding the thermometer firmly and flicking the wrist until the mercury reads at or below the lowest number. Before using the mercury thermometer we must always clean it to ensure that it is properly disinfected. wikiHow's. Mercury vapour can be toxic if the thermometer breaks, so don't use these thermometers. Reading a mercury thermometer is easy but require a bit of practice and skill. 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. How to Use a Rectal Thermometer. - Remove the probe cover and/or wipe the thermometer with a dry tissue from stem to bulb. How to use iHealth No-Touch Forehead Thermometer PT3? Until recently 260° C was the typical limit for non-mercury thermometers. 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. Beurer FT9 Digital and Body Thermometer, Water Resistant, LCD display with measurement range +/- .1 ºC, acoustic signal, without Mercury, without Glass, Color White. 3. $16.40 $ 16. More Buying Choices $16.39 (2 new offers) FSA or HSA eligible. Never allow children to play with thermometers or any other source of mercury. Try not to shake the thermometer as you pull it out, as this could affect the reading. Clean it quickly with paper. Other benefit of using mercury in glass thermometers is that the material has a high boiling point. All tip submissions are carefully reviewed before being published. Step-2 Gently press the measurement button to begin the test. Most of the mercury thermometer, though, have dual scales. To prevent possible contamination, stop using your mercury thermometer. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. Also, call if your child is showing other signs of sickness, such as coughing or diarrhea. Part of the series: Child Care & First Aid. The tube is sealed on both sides and from inside her deflated air. If a mercury thermometer breaks or leaks, it can release toxic vapors. Ensure thermometer is away from people and objects before shaking. - After taking the temperature, hold the thermometer up to a light where you can see the mercury line and the    numbers 4. (A resistance thermometer is the name given to a device using this form of measurement.) 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. Your grandparents may have one in their medicine cabinet, or even … wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 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. 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. It consists of a bulb containing mercury attached to a glass tube of narrow diameter; the volume of mercury in the tube is much less than the volume in the bulb. You should choose a thermometer that is easy to use and read. 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. * Short lines indicate 0.2 degree. - Read temperature to nearest lines These thermometers are safe to use for people over the age of 5. After shaking the mercury down, place the thermometer under the child's tongue, with the bulb toward the back of the mouth. Write it down next to the line on the bottle. An exception is on the high end of the temperature scale. 1. 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. Electronic components in the thermometer can take very accurate and fast temperature readings. A thermometer is an instrument that measures the temperature of any solid, liquid or gaseous matter. If it's not mercury, it's non-toxic, so you can clean it up with paper towels. Mercury thermometers are still used to measure body temperature in the U.S. Leave the thermometer in place for 3 minutes. There are two kinds of glass thermometers, one with mercury and one without mercury. Call the doctor if your child is under 3 months and running a fever based on a rectal reading. Accurate body temperature readings can make a difference in treatment decisions.

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