The 6 Best Ear Thermometers

Updated November 10, 2017 by Melissa Harr

6 Best Ear Thermometers
Best High-End
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Best Inexpensive
We spent 44 hours on research, videography, and editing, to review the top choices for this wiki. Gone are the days when we feared a child might bite down and get a mouthful of mercury. Today's ear thermometers deliver digital readings accurately, quickly, and with updated modern features, such as smartphone linkage for data management. For consistent results, be sure to peruse the instructions to learn how to properly place these handy gadgets in the ear canal. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best ear thermometer on Amazon.

6. EZ Temp Digital Dual Mode

Simplicity is the keyword when it comes to the EZ Temp Digital Dual Mode. With only two buttons, one for forehead and one for ear, it offers no confusion and no hassle, which is perfect when you’re dealing with a sick and unhappy child.
  • two-year manufacturer's warranty
  • bright and cheery pink color
  • fever alarm could wake baby
Brand EZ Temp
Model pending
Weight 4 ounces
Rating 4.0 / 5.0

5. Pyle Digital Body

Take a forehead or ear reading with the Pyle Digital Body and the information will automatically sync to your phone via Bluetooth. Because the company offers other pairable medical devices, such as scales, you can create a complete health snapshot.
  • auto-shutoff saves power
  • bright and easy-to-read lcd screen
  • slightly tricky operation
Brand Pyle
Model PHTM20BTBL
Weight 3.2 ounces
Rating 4.6 / 5.0

4. Braun ThermoScan 7

When you’re worried, it can be tough to be level-headed, which is why the Braun ThermoScan 7 includes a color-coded display that is age adjustable. It’s got a nightlight feature for use in the dark and is safe to use on the whole family from infant to adult.
  • relatively easy to learn how to use
  • pre-warmed tip for accuracy
  • more expensive than most models
Brand Braun
Model pending
Weight 12.8 ounces
Rating 4.2 / 5.0

3. Kinsa Digital Smart

The Kinsa Digital Smart’s ergonomic design helps you take patients’ temps without having to wake them up and lets you get a reading from a squirmy infant. Pair it to your smartphone via Bluetooth and its app will automatically record pertinent details, including the time.
  • two aaa batteries included
  • add symptoms and medication notes
  • easy-to-clean surface
Brand Kinsa
Model KET-001
Weight 7 ounces
Rating 4.6 / 5.0

2. Braun ThermoScan 5

With its pre-warmed tip, the Braun ThermoScan 5 is designed to give you the accuracy you need. You’ll also be able to position it correctly each time you use it thanks to its guidance feature that beeps when the unit is in place.
  • delivers quick readings
  • recalls last temperature
  • includes lens filters
Brand Braun
Model IRT6500US
Weight 2.4 ounces
Rating 4.5 / 5.0

1. iProven DMT-489

Never worry again with the iProven DMT-489, a dual-use model for both ear and forehead readings that’s FDA approved. It’s backlit, which means you won’t need to turn on annoying overhead lights, and doesn’t require a tip cover or filter, so there's no more fumbling.
  • recalls last 20 readings
  • displays in fahrenheit or celsius
  • comes with soft pouch
Brand iProvèn
Model DMT-489
Weight 10.4 ounces
Rating 4.8 / 5.0

What Happens In Your Body During A Fever?

The human body has incredible ways of keeping itself alive. Millions of years of evolution have naturally selected traits and capabilities that, applied in their most extreme fashion, seem like the stuff of science fiction.

Take a broken bone, for example. When a bone breaks, the fibrous connections of which the bone is comprised have been severed. The bone itself bleeds (remember, bones are what make your blood, which is another fascinating result of evolution), and the coagulation of specialized cells around the fracture creates a safe healing environment. Over the next few weeks, your body begins to rebuild tissue around the fracture, eventually growing new bone and healing itself.

The same thing happens more visibly when you suffer an injury to your skin. That scab over a small cut creates the same quality of healing environment that surrounds a broken bone. This is why it’s usually a bad idea to pick at a scab, in addition to the fact that doing so will often result in a more visible scar.

If this kind of healing were to take place in seconds, as opposed to days and weeks, our cuts, breaks, and other injuries would pose next to no threat to our physiology beyond the psychological effects of pain. We would essentially be like Wolverine, but without the adamantium-coated skeleton.

When a pathogen enters your body, a number of things happen to fight it off. Your body identifies the invader and deploys white blood cells to kick it out. For many invaders this process goes on undetected, as your body’s innate and developed antibodies can knock out a great many potential illnesses before they take hold and cause you to develop symptoms.

If your body’s defenses aren’t up to the task invisibly, you’ll begin to notice any variety of symptoms, including a fever. Many invaders are susceptible to heightened temperatures, and the difference in body temperature between 98.6 and 102 degrees can often be enough to weaken them to the point of destruction. Your body informs the hypothalamus (one of your brain’s generals in the war against infection and the effort to maintain homeostasis) that it needs a temperature increase, and the hypothalamus accommodates. The more resilient the infection, the higher the fever is liable to rise and the longer it’s liable to last.

The Importance Of Keeping An Eye On Your Temperature

Given the knowledge that your body raises its temperature in an effort to destroy dangerous invaders, it might be tempting to pile on the blankets and turn up the heat in an attempt to burn out the infection. While the logic of this might seem sound at first, it’s important to know that your body can only withstand a certain degree of temperature increase before other parts of your physiology begin to suffer.

The dangers of a high fever are particularly potent in children and infants whose immune systems aren’t yet fully developed. While an adult can withstand body temperatures in the vicinity of 103 or 104 degrees, infants whose body temperatures exceed 100.4 degrees should immediately see a doctor, as this can be a sign of a life-threatening infection. If a child’s temperature reaches above 103 degrees, there is a significant risk of seizure.

In adults, fever from infection or a lapse in the body’s ability to regulate its temperature can result in hyperthermia. Hyperthermia is usually diagnosed in patients with temperatures in excess of 104 degrees. It can result in confusion, vomiting, rapid breathing, fainting, and even death in very young and very old patients or those with weakened immune systems.

All of these dangers make it absolutely vital that you keep an eye on the temperature of anyone who exhibits symptoms of bacterial or viral infections. Even symptoms that might be misdiagnosed as allergies (runny or stuffy nose, headache, etc.) can be the overture to a much more dangerous illness. As soon as symptoms arise, it’s important to take a patient’s temperature to ensure they aren’t at risk of developing more severe symptoms and to put them on the proper course of treatment. An in-ear thermometer is especially accurate and easy to use, making it ideal for in-home temperature monitoring.

Monitoring a patient’s temperature throughout the course of an illness is just as vital as ascertaining it at the outset. Sudden spikes in fever can indicate the body’s inability to handle an invader on its own as well as a negative reaction to an administered medication.

Illness isn’t the only time a person should have their temperature checked, either. After the introduction of new medications for anything from allergies to depression, there is the risk of significant side effects. Heat stroke is also commonly accompanied by a rise in body temperature, so if someone feels weak or faint after spending too much time outside in the heat, definitely take their temperature.

A Brief History Of Thermometers

Before the thermometer as we know it came along, several inventors including Galileo Galilei developed something known as a thermoscope. This device, which came about toward the end of the 16th century, could show its user that something was getting hotter or colder, but it contained no set measurements.

An Italian inventor named Santorio Santorio was the first man to place a scale of any kind onto a thermoscope, essentially creating the modern thermometer. It was even used to take people’s temperatures by placing it beneath their tongues.

Daniel Gabriel Fahrenheit, a German physicist active in the early 18th century, added a scale to the mercury thermometer that would remain a standard means of measurement through to today. A Swedish astronomer named Anders Celsius came along to rain on Fahrenheit’s parade, however, when he introduced a scale of his own. This system, known as the centigrade scale, became the go-to means of measurement for the majority of the world.



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Last updated on November 10, 2017 by Melissa Harr

Melissa is a writer, editor, and EFL educator from the U.S. She's worked in the field since earning her B.A. in 2012, during which time she's judged fiction contests, taught English in Asia, and authored e-courses about arts and crafts. In her free time, she likes to make stuff out of sticks and string.


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