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Infrared Thermometer

We've all used a thermometer at some point in our lives. Each one serves it's own purpose, and functions in a unique way. Certain thermometers might be better for specific individuals depending on multiple factors. Things such as age or personal preference might influence your decision when choosing the right brand. There is no right or wrong choice because they all work, but some might work better for you than others. We're going to tell you all about the functions of the infrared thermometer, how it actually works, and which one would work best for you.

Yuwell Infrared Thermometer

Fahrenheit vs. Celsius

Most people like to use Fahrenheit over Celsius because it's easier to read and understand. Although, some prefer to read it in Celsius like they do at the doctors office or hospital, but it can be a bit confusing at first. The two function in different ways. If you were to check your normal body temperature without having a fever, most people would have an average reading of 98.6F or 37C. Here is a general overview of the differences in how these measurements are taken:

Fahrenheit

  • Tempersture Scale: 0F to 220F
  • Part of the imperial system
  • Commonly used in the United States
  • Freezing water 32F, boiling water 212F

 

Celsuis

 

  • Temperature Scale: 0C to 100C
  • Part of the metric system
  • Freezing water 0C, boiling water 100C

 

It's really a matter of choice when it comes to choosing how you'd like to read your temperature. But it's much more common to use Fahrenheit in the United States. Some people prefer the metric system over imperial, and vice versa. You want to make sure that you're getting an accurate reading, so use whichever one makes the most sense to you.

 

How Does the Thermometer Function?

The thermometer is commonly used by measuring your body heat. How it does this depends on which type of device you use. Each one functions in its own unique way, and takes these measurements according to how it was created. In the end, you should always get the same results regardless of which brand you use. Like with anything else, you might find that certain ones work better for you and are more accurate at detecting your body temperature. Here are some examples of different thermometers for you and how they function:

 

Digital Thermometer:

The former way that oral thermometers used to work was by using the liquid mercury or alcohol to detect your body temperature. This liquid was contained inside of the glass tube in the thermometer. The liquid would then rise as it detected the heat coming from your body and stopped when it reached the highest point in your body temperature. It's no longer recommended to use thermometers containing mercury in them, as it can be unsafe to use. Nowadays, most oral thermometers are actually electronic and work by taking measurements using a sensor. This sensor works by sending a single across the metal part that you stink under your tongue. The digital thermometer can detect signals that cause the device to sense a resistance within it's system. It does this through the energy your body produces.

 

Ear Thermometer:

Also known as tympanic thermometers, these detect your body temperature by using infrared technology. This uses energy that sends electronic waves, which then sense any changes in body heat or a rise in temperature. It's able to detect this type of change from the membrane that's located inside of your ear cannal.

Forehead Thermometer:

Similar to digital technology, foreheard thermometers also use infrared technology to detect and sense a rise in body temperature. These type of thermometers are commonly used in hospitals or doctors offices, and are also known as temporal artery thermometers. Body temperature is picked up from the probe by sensing how much energy is being produced from the skin around the forehead. From there, it sends the signals to the device to determine your results.

Instant Read Thermometer:

These are digital thermometers that typically read your results within a few seconds. They also use infrared technology that detects energy produced from your body. Instant read is just as it sounds—instant. So you won't have to sit around for 60 seconds waiting for your results, because it shows up within a few seconds.

 

There are also instant read thermometers that can be used for cooking or baking, and will let you know when your food reaches a safe temperature. This is typically used when cooking meat.

 

How Do I Use Each Thermometer?

Digital Thermometer:

Easy to use and works by simply placing it under your tongue, and leaving it there until you hear a beap. This signals that it's done and you can check the reading on it. You'll want to make sure that you put it all the way to the back of your tongue, and avoid drinking any hot or cold liquids in advance.

If you've had anything to drink, try waiting at least 15-20 minutes before taking your temperature, to get an accurate reading. Oral thermometers can be for oral, rectal, or under the armpit readings. If you're using this to measure an infant's temperature, it's always best to measure their temperature through the rectum. This will give you the most accurate result for a baby, because they can't hold it under their tongue like an older child or adult can. Make sure to use some vaseline first if taking a rectal temperature.

Ear Thermometer:

To use properly, always reset the last reading first. Pull back the ear and carefully insert the probe into the ear canal. Wait until you hear it beap and then check the result. If the result seems off, reset it and try again. You want to make sure that you insert it properly or it won't give you an accurate result. Make sure that the batteries are working properly and replace them when needed. Ear thermometers cost a little more than digital thermometers because of it's convenience, and ability to easily use or access them anywhere.

 

Forehead Thermometer:

Quick and convenient to use, making it perfect for any age. This is especially convenient to use on small children that have a hard time sitting still long enough to get an accurate reading. All you need to do is place the probe on your forehead, and swipe it once in one direction across the forehead. It only takes a few seconds for your results to appear.

 

Instant Read Thermometer:

How to use this depends on if you purchase an oral, ear, or forehead instant read thermometer. If it's an oral thermometer, simply insert it under your tongue and wait for your results. For the ear, gently insert the probe into your ear canal. And for the forehead, all you need to do is swipe the probe across your forehead one time only.

 

If you're looking to use an instant read thermometer to check for food safety, all you need to do is insert the metal probe about half way into your food. It should only take a few seconds for the results to show up.

 

What is the Cause of a Fever?

 

Common causes for one to have a low-grade or high-grade fever include illness or infection. Illnesses can be viral or bacterial, and will cause your body's immune system to go into overdrive. Having a fever isn't necessarily a bad thing—as long as it isn't too high— and is actually a sign of your body fighting the infection. Most viruses will go away on their own and don't require a visit to the doctor unless you're vomiting, have diarrhea for longer than 48-hours, or can't hold down liquids as this can cause dehydration. Bacterial infections on the other hand will require a visit to your primary care physician or child's pediatrician, and will need antibiotics to fight the infection.

 

What Temperature is Considered a Fever?

Infants:

  • High-grade fever: For infants under the age of 3 months, anything over 100.4F requires a visit to the pediatrician. If it's after office hours, visit your nearest hospital or urgent care center. For the most accurate results, always use a rectal thermometer on infants. You should never give medicine to babies under 3 months old.

Children:

  • High-grade fever: If you're child has a temperature of 102F or higher. If your child is older than the age of 3 months, always ask your child's doctor how much medicine to give them first. They will base it off of their weight and the dosing chart, depending on which medicine you use. For infants, always make sure to double check that the bottle specifically says that it's for infants. Medicine that you buy for infants and children look very similar and are easy to mix up, so it's important to be extra careful with this.

 

Adults:

 

  • High-grade fever: If you have a fever of 103F or higher, and are unable to get your fever down with rest and medicine—or if you can't hold food and liquids down— then it might be time for you to take a trip to the hospital and get an IV hooked up to you.

 

There are so many different uses for thermometers, and several brands that you can choose from. They all work similarly and produce the same results for adults. However, they might not all produce the same results for children. If you're looking to find a good thermometer for your child, then it all depends on their age.

If your child is old enough to sit still long enough to have their temperature taken, then you can use anything that you would use on an adult. For an infant or small child, you might need to use something else such as a rectal, ear or forehead thermometer. The best way to make your decision is to select a thermometer based on your budget, decide if your looking for something with convenience and factor in the age of the individual that you'll be using this on.

 

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