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10 Best Infrared Thermometers in 2020

There are many infrared thermometers out there, but which is the best? Well, we’ve come up with ten suggestions for you to look at and put together a buyer’s guide that’ll tell you everything you need to know.

An infrared thermometer will use a laser, sometimes two, or even many more, to measure the surface temperatures of mediums and materials you need to know. Some people would refer to an example of these infrared thermometers as a “temperature gun,” and the name is also often abbreviated to “IR thermometer.”

These IR thermometers are particularly useful for measuring temperatures of things that are too cold or hot to touch directly. Some examples of this might include measuring the surface temperatures of food that you’re barbecuing, or finding out how hot a metal component of a car is. In industrial use, high-quality versions of these thermometers can be used to make sure that temperatures inside things – such as furnaces and kilns – are hot enough. These are temperatures that would also melt your standard thermometer almost instantly.

It’s important to note that infrared thermometers are intended to measure the temperature of inanimate, non-organic substances, such as food, metals, or weak spots in your insulation. They’re not intended to take medical body temperatures of either people or animals. For more information on this, you will find a section in the buyer’s guide below entitled “Can I Use an Infrared Thermometer to Take My Temperature?”

To help you out, we have compiled ten of the best infrared thermometers available on Amazon! We hope you find this guide useful.

View The Best Infrared Thermometer Below

1. Etekcity 1022D Dual Laser Digital Infrared Thermometer

Etekcity 1022D Dual Laser Digital Infrared Thermometer

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We selected this Etekcity thermometer as one of the best infrared thermometers you can get.

With a dual laser, this infrared thermometer can visualize the measured area better than thermometers with only one laser and, thus, give more of an accurate temperature reading. The distance to spot ratio is 12:1, and it comes with adjustable emissivity. This feature allows you to adjust your thermometer for different surface types and get the most accurate temperature readings from your IR thermometer. It has a temperature range of -58 degrees to 1022 degrees Fahrenheit, and it has a response time of less than half a second.

The LCD screen is back-lit, and the thermometer comes with an auto-off feature to save battery life. These are batteries that, by the way, are included in the purchase. This thermometer is comfortable to hold due to its ergonomic design.

For the best accuracy, you should hold this infrared thermometer about 14 inches away from the material you are trying to measure.

Pros:
+ High-praise reviews on Amazon.com
+ Very wide range of temperatures measured
+ Accuracy to within + / – 2 degrees Celcius
+ Response time of less than half a second

Why We Like It – As you can see, we’ve selected this as one of the best infrared thermometers you can find. This is because it’s great value for money. Not to mention, it comes with precise readings and a dual-laser system, giving it the edge over its one-laser competitor products.


2. BTMETER BT-1800 Pyrometer

BTMETER BT-1800 Pyrometer

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We have selected one of these infrared thermometers as our premium option. This is one of the best products available as it can measure the temperature of materials between -58 and 3272 degrees Fahrenheit. This is a huge temperature range, covering many industrial uses, as well as uses at home. With an average accuracy of 2.5%, it’s accomplished in that field too.

Where many infrared thermometers use only one or two lasers, this product utilizes nine! Yes, nine! This means that you can stand further away from what you’re going to measure the temperature of. This is a useful feature when you consider the high-temperature readings this thermometer is capable of, meaning you can be a safe distance away. You can use this IR thermometer to measure temperatures in a forge or kiln; it’s capable of doing that in less than a quarter of a second.

Like many infrared thermometers, it comes with adjustable emissivity and an automatic power-off to save battery life. You will also get a 12-month warranty with this product.

Pros:
+ Distance to spot ratio of 50:1
+ Accurate to + / – 2.5%
+ Very large temperature range
+ Adjustable emissivity
+ 12-month warranty

Why We Like It – We added this thermometer to our list to make sure there was an option for when you want to measure very high temperatures.


3. Pshihqiu Digital Infrared

Pshihqiu Digital Infrared

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This is one of the best examples we can find for a good value thermometer. With a back-lit LCD, you will be able to see all the readings clearly. The product can measure temperatures between -58 degrees Fahrenheit to 752 degrees Fahrenheit at an accuracy of + / – 1.5%. It uses one laser.

This infrared thermometer is powered by three triple A batteries, which do not come included.

Pros:
+ One of the best budget thermometers, with a good range for use around the house
+ Accurate to + / – 1.5%
+ Back-lit LCD screen

Why We Like It – We liked this IR thermometer because it’s great if you just need something quick and cheap to help you out with basic projects in and around your house.


4. SURPEER Infrared Thermometer

SURPEER Infrared Thermometer

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With a temperature range of -58 degrees Fahrenheit to 716 degrees Fahrenheit, this infrared thermometer measures to within + / – 2%. It will take this reading in around half a second. There is a 7-second auto-off in place to keep the battery life lasting as long as possible.

You can use this thermometer around the household for various tasks, including cooking and barbecuing. SURPEER likes to point out that you can use the laser part of this tool as a cat or dog toy.

AAA batteries are included with this product, and they’re used to power the thermometer.

Pros:
+ 2-year quality assurance, 30-day refund offered
+ Good temperature range for household activities
+ Accuracy of + / – 2%
+ AAA batteries included

Why We Like It – We liked this thermometer because it produces good, reliable temperature readings and comes with the AAA batteries included.


5. Kizen LaserPro Infrared Thermometer

Kizen LaserPro Infrared Thermometer

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This thermometer has a distance to spot ratio of 12:1. You should stand around 14 inches away from the substance you are measuring for the most accurate results. The adjustable emissivity can be changed depending on the surface. To know the amount you should set it to, use the instruction booklet that comes with it.

With this thermometer, you get a temperature range of between -58 degrees Fahrenheit and 1112 degrees Fahrenheit, meaning it has a decent range for household readings and some small industrial projects, such as car maintenance. This temperature can be taken in under half a second.

It also comes with an auto-off feature and a lifetime warranty.

Pros:
+ Adjustable emissivity
+ Decent temperature range
+ Lifetime warranty included

Why We Like It – We chose to add this thermometer to our list because of its lifetime warranty combined with a good range of temperatures that it’s capable of recording.


6. KAIWEETS Infrared Thermometer

KAIWEETS Infrared Thermometer

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The main selling point of this particular product is its 12-point laser system. This means that it can record temperatures from a wider range of the surface and give a more accurate overall average. The emissivity is adjustable, and it has a distance to spot ratio of 12:1.

Able to measure between -58 degrees Fahrenheit and 1022 degrees Fahrenheit, this thermometer also comes with 3-year quality assurance. Also included is a back-lit LCD screen, auto power-off, and low battery indicator, among other features.

Pros:
+ 12:1 ratio
+ Temperature readings between -58 degrees Fahrenheit and 1022 degrees Fahrenheit
+ 3-year quality assurance
+ Back-lit LCD screen

Why We Like It – This infrared thermometer impressed us with its 3-year quality assurance and 12-point laser measuring system, making it reasonably unique on the laser thermometer market.


7. ZOTO Digital Laser Infrared Thermometer

ZOTO Digital Laser Infrared Thermometer

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This thermometer can measure temperatures between -58 degrees Fahrenheit and 1472 degrees Fahrenheit. Included with this product is a “K-thermocouple,” which you can use to test the interior temperatures you’re measuring.

The UV light can be turned on and off independently and there is a 25-second automatic power-off. It takes less than half a second to record the temperature using this device and a 12:1 distance to spot ratio.

A 100% satisfaction guarantee is also included. Get in touch with ZOTO if you have any problems or queries, and they will do their best to sort it out for you.

Pros:
+ K-thermocouple included
+ 25-second power-off feature
+ less than half a second to record the temperature

Why We Like It – We popped this product on the list because it has a very impressive temperature range for use around the house.


8. Fluke 62 Max Thermometer

Fluke 62 Max Thermometer

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This infrared thermometer measures temperatures between -22 degrees Fahrenheit and 932 degrees Fahrenheit to within + / – 1.5% when above freezing. There is a 10:1 distance to spot ratio.

It’s lightweight and compact, making it easy to carry around or keep with you on a tool belt. This thermometer is also IP54 rated for dust and water resistance, meaning it can withstand a spray, but it should still not be submerged underwater. It has also been drop tested from three meters for quality assurance and is powered by AA batteries. The power will last for up to 10 hours, even with the laser and backlight on.

Pros:
+ This IR thermometer provides a good, accurate reading
+ On the smaller side
+ Drop-tested
+ Good battery life

Why We Like It – The Fluke 62 Max made it onto our list because it’s perfect for the home DIYer. If you feel you are likely to use this IR thermometer quite a lot, then it’s a good pick. It’s easy to carry around, and IP54 rated against water and dust, so it could be the best one for you.


9. Helect Infrared Thermometer

Helect Infrared Thermometer

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This digital laser temperature gun from Helect measures temperatures between -58 degrees Fahrenheit and 1022 degrees Fahrenheit. Accurate to with + / – 2%, it comes with a backlit LCD and is best used for food preparation or checking the surface temperature of a component on a car. The Distance Spot Ratio is 12:1.

A 9V battery powers this particular IR thermometer – this comes included in the package.

Pros:
+ A good temperature range
+ Accurate to within + / – 2%
+ Good laser thermometer for cooking or auto maintenance

Why We Like It – We put this thermometer on our list because of the good range of temperatures for a good price.


10. Acegemt Infrared Thermometer

Acegemt Infrared Thermometer

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This temperature gun also measures from -58 degrees Fahrenheit to 1022 degrees Fahrenheit. It’s a 12-point laser thermometer, meaning you get a better idea of the average surface temperature of the object you’re measuring. The back-lit LCD means it can be read easily in dark rooms, and it comes with adjustable emissivity.

It’s also a great vivid blue color and includes two AAA batteries to power the thermometer.

It warns that it contains small parts and thus should be kept away from small children and pets.

Pros:
+ 18-month worry-free warranty
+ 12-point laser for accurate temperature taking
+ Two AAA batteries included in your package

Why We Like It – We liked this thermometer because it comes with an 18-month warranty and has a 12-point laser system for a good accurate temperature reading. Oh, and because it’s blue.


Infrared Thermometer Buyer’s Guide

What is the Most Accurate Infrared Thermometer?

Using Laser Thermometer to check the temperature

First of all, you cannot use the infrared thermometers we have featured here to take the temperature of a person or animal. Please see the section “Can I Use an Infrared Thermometer to Take My Temperature?” to find out why.

Each product specifies the accuracy of the infrared thermometer. For the best accuracy, you should look for under + / – 2%. This is about the same as the thermometers that you may already use in your kitchen. Some laser thermometers will measure accuracy of up to + / – 1.5%. If accuracy is high on your list of priorities, look for these products.

The most accurate infrared thermometers on our list are the Fluke 62 Max Thermometer and the Pshihqiu Digital Infrared Thermometer.

What is the Best Infrared Thermometer for Cooking?

The best IR thermometer for cooking is going to be the most accurate one. However, again, you cannot use IR thermometers to measure interior temperatures, such as inside meat. They are, however, useful when you want to measure the temperature of things like boiling water and cooking oil. You can turn the gas mark or induction rating up or down on your hob to adjust for this temperature.

Another thing to look for when considering which infrared thermometer cooking aid you should get is how many laser points the thermometer has. You should make sure the one you choose to buy has as many laser points as possible – at least two. A couple of the products we listed in the buyer’s guide above have 12 laser points.

As each laser provides a reading, the more laser points the thermometer produces, the more accurate the reading will be. It becomes effortless to find the average temperature across the surface. When there is only one laser, it measures the temperature of one very specific point. This means it doesn’t give as good an idea of the average surface temperature of the material in question.

Are Infrared Thermometers Accurate?

Infrared thermometer in hand measures the temperature of heating radiators in a room

Laser thermometers are reasonably accurate. You can expect a good quality IR thermometer to be about as accurate as your average kitchen thermometer, which is one you might already use for boiling water or probing meat.

Some of the IR thermometers designed for measuring much higher temperatures, such as those used for industrial purposes like furnaces and kilns, will not be quite so accurate in general. This is because accuracy is less important with these extreme temperatures, up to and above 3000 degrees Fahrenheit! If you’re just working around the house, you are unlikely to need anything that reaches even close to this temperature. That is, of course, unless you simply want the bragging rights to a product as impressive as that.

How Do I Choose an Infrared Thermometer?

There are several things to consider when you are choosing the right infrared thermometer for your personal use. They all fall under the simple category of “what will you use the thermometer for?”

From this stems a whole extra set of questions that you should ask yourself, including:

How accurate do you need the infrared digital thermometer to be? – For cooking, you will probably want a higher accuracy than for other things you might be using laser thermometers for.

What sort of temperature range do you need for what you are using this thermometer for? If it’s just cooking, then you are unlikely to need much above 500 or 600 degrees Fahrenheit. For use with automotive maintenance, you may be looking for a little more than this. If you are looking for a premium quality device that you can use for measuring temperatures in kilns and furnaces and so on, you will be looking for thermometers with a range much higher than that.

How far away from the material will you need to be when you are measuring the temperature? For some materials, you may need to be further away than others. With cooking you are unlikely to need to be more than a foot away in most situations. There will be some exceptions, of course – for example, when it comes to a large professional pizza oven. For mediums where you will need to further away when using IR thermometers, look for a higher distance to spot (D:S) ratio. For more information on this ratio, see “What is the Distance to Spot Ratio?”

What is the Distance to Spot Ratio?

This ratio is often abbreviated to the D:S ratio.

In this ratio, the “distance” is the measure of how far you are from the point you plan to measure. This point you are measuring is referred to as the “spot.”

The D:S ratio is how far away the thermometer is from the spot (distance) compared to the size of the spot itself. For example, with a D:S ratio of 12:1, such as the majority of the listed products above have, when you are 12 inches away from a medium (such as cooking oil, for example), the thermometer will measure a 1-inch wide “spot.”

It follows that as you get closer or further away (changing the distance), the size of the spot will also increase or decrease at the same rate.

IR thermometers with a higher D:S ratio, such as the BTMETER BT-1800 Pyrometer, which has a 50:1 D:S ratio, will measure a much smaller spot from the same distance as a 12:1 D:S ratio thermometer.

Can I Use an Infrared Thermometer to Take My Temperature?

temperature measurement in a child, illness, 36.6

You can’t take the temperature of a human or animal using the infrared thermometers we have listed above. All the ones we have selected are designed especially for use with either cooking or tools. There are several reasons for this:

First, you can’t just point the thermometer or temperature gun at someone to measure their internal body temperature. Common sense tells you this as well as anything else. To accurately record someone’s body temperature, you need to put a thermometer inside the body.

In most cases, the back of the mouth or the inner ear is sufficient for that. When you point a laser tape measure at someone’s skin, you will measure the temperature of their skin only. This has little relevance to whether or not someone truly has a fever or low internal body temperature.

Industrial IR thermometers are designed to take in a wide range of higher temperatures. They have a less accurate display, and the measurements themselves are also less accurate when compared to a proper medical thermometer. These thermometers are designed to take your temperature to a very precise increment.

They’re supposed to be incredibly precise between the range of about 30 – 45 degrees Celcius (86 – 113 degrees Fahrenheit), measuring in increments of 0.05 degrees C (0.09 degrees Fahrenheit). Outside of this range, these thermometers are not effective. The infrared thermometers that we have listed, however, are all precise to up to 1.5%, and most measure in increments of 0.2 degrees Fahrenheit.

Therefore, they are far less precise than the specific medical products you can buy. If you need to take someone’s temperature, we recommend purchasing a thermometer specially designed for this, rather than an industrial infrared temperature gun.

To get an accurate reading of the temperature of the substance you are measuring, you need to know the emissivity. This is covered in the “What is Adjustable Emissivity?” section. For substances like metal, oil, and water, emissivity can be easily set on the infrared thermometer to get the correct reading when you take the measurement.

However, even if you were to point the infrared thermometer into someone’s mouth to try to get precise temperature readings, you would have to take a guess at the emissivity. This means that essentially any values you get from this will be a complete guess.

In summary, then, it’s not a good idea to use an industrial infrared thermometer to take the temperature of a person or animal. This is because it’s impossible to get a truly precise temperature reading. The laser cannot measure internal body temperature or any temperature below the average skin surface temperature. Infrared thermometers are too imprecise, and despite these two things, you will still have to guess the emissivity of the inside of someone’s mouth. All in all, it would be a completely inaccurate guess and, therefore, not worth it.

It’s a much better idea to get a medical thermometer for this.

What is Adjustable Emissivity and How Do Infrared Thermometers Work?

Close up of technician using infrared thermal imaging camera

Emissivity is all about the emission of energy radiation from a material.

Emissivity itself is a ratio of how much energy is radiated from an object’s surface, compared to how much is radiated from a perfect emitter of energy, known scientifically as a blackbody. It does just depend on the material involved, but also the type of surface. For example, if the surface is rough and coarse, it will have a high emissivity, whereas a smoother surface will have a lower emissivity.

Infrared thermometers work by picking up on how much thermal radiation is being emitted by a surface. By comparing this with the emissivity, the thermometer can work out the surface’s temperature.

Infrared thermometers have a feature called adjustable emissivity. This is so you can set the emissivity of the material you are taking the temperature of to the known value that has been pre-calculated. This value is always between 0.1 and 1.0.

What Do You Use Infrared Thermometers For?

You can use IR thermometers to take temperature readings for cooking and also to check the temperature of various materials. For example, you could use your thermometer to take the temperature of oil in a pan on the stove. You could also use it to take the temperature of a component on a ca thr to check how hot it is, and so on.

You can’t use an infrared thermometer to take your internal body temperature. Please see the section entitled “Can I Use an Infrared Thermometer to Take My Temperature?”

Conclusion

In conclusion, the best infrared thermometer for you depends on what you need it for. Certainly, different people require different things from an IR thermometer, and you should think carefully about what’s likely to be the best one for your personal use.

Infrared thermometers are a wonderful addition to the garage, workshop, or kitchen and, if used correctly, can help you efficiently accomplish a wide variety of tasks.

We thank you for reading this article and hope it has been beneficial to you in some way.

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