They're inexpensive and usually a one-size-fits-all product. To achieve accurate measurements, make sure a new, clean Hygiene cap is in place before each measurement. Depending on your thermometer, you may need to let it sit for several seconds to ensure an accurate reading How long do I need to hold a thermometer under my arm to measure the temperature? If I remove the plastic sleeve does it affect the reading for tympanic thermometers? In general, contact your doctor if: your baby (3 months or younger) has a rectal temperature of 100.4°F (38°C) or higher; your infant (three to six months of age) has a rectal or ear temperature greater than 102°F (38.9°C); your child (six to 24 months of age) and has a temperature reading over 102°F (38.9°C) on any thermometer that lasts longer than a day. Clip your candy thermometer to the side of the pan, then fill it with water and turn on the burner. • To use a meat thermometer for meats such as ribs, or a rack of lamb, check in the center portion, away from bones or gristle. For an underarm reading, place the thermometer in the middle of your armpit and squeeze your arm against your body to trap the heat there. DualScan Devices can be used to measure human temperature on the forehead or in the ear. Yes, this will affect the reading. How to use your thermometer. Armpit temperatures are the least accurate. Do not move the thermometer during measurement, 7) Press the Temperature button to take a measurement. Then, wait until it beeps before taking it out and checking the reading. We wish you and your family continued health and safety. The idea is to insert the thermometer sensor or probe into the mouth, wait for a minute and get the exact temp reading. Wait about 15 minutes before taking your temperature if you've had a warm or cold beverage. More recently, with the outbreak of the 2019-nCoV epidemic, non-contact infrared thermometer guns have been broadly used as the most prevailing tool for scanning people in crowded places in hope of finding those who have elevated temperatures, the earliest symptoms of virus infection. This means they can be used on different areas of the body to measure temperature or even measure a room or surface temperature. We use cookies to make wikiHow great. Mild fevers are often beneficial because they represent the body trying to defend itself against infections. Most recently, she completed an Ophthalmic Pathology fellowship at Jules Stein Eye Institute at the University of California, Los Angeles. Use a regular digital thermometer to take a rectal temperature. If you clean forehead, wait 10 minutes before taking a measurement. This energy is collected through the lens and converted to a temperature value. If there isn't your thermometer is broken, or you need to get another one. 3) Keep the thermometer steady in the ear canal, 4) Take a measurement by pressing the “Measurement” button. We hope the description above could be helpful to you on a better understanding of how an infrared thermometer works. Most of our thermometers have multiple uses (DualScan). % of people told us that this article helped them. There’s a wide range of them out there on the market, from simple ones with a dial to fancy digital ones that promise quick results. ), If there is excess earwax. Due to high demand within our call center, please visit our support page to find answers to common questions. Ear temperature can be affected by things other than true body temperature, for example when the person has been: • Exposed to very hot or very cold temperatures. 4) If using touch method, position the thermometer in front of the forehead in the middle of the eyebrows touching the forehead. Verify its accuracy first. A thermometer is only useful if it’s accurate! "Helps when you get your period cramps. Dr. Diana Lee is a Family Medicine Physician in California. 2) Place the ear probe snugly in ear canal and directly toward opposite temple. It's difficult to get readings in the 1/10 of degrees because the liquid crystals tend to show a range of temperature when they change color. Digital thermometer sleeves are available anywhere thermometers are sold (grocery stores, pharmacies, etc.). Digital instant-read thermometers stay in food while it is cooking. 4) If using touch method, position the thermometer in front of the forehead in the middle of the eyebrows touching the forehead. 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