Top 5 Best Portable Carbon Monoxide Detectors for Travel | Home | Industrial Use

Best Portable Carbon Monoxide Detectors

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that can be harmful to humans and in some cases, even deadly. It is the number one type of fatal air poisoning worldwide. For those who are concerned about carbon monoxide when traveling, a portable carbon monoxide detector is a must.

If you are in a hurry and just want to find out what is the Best Portable Carbon Monoxide Detectors for Travel, Home & Industrial Use, then I recommend below As the best ones.

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What is Carbon Monoxide?

Each year, between 20.000 to 30.000 US citizens are sickened or poisoned by carbon monoxide, and about 500 die every year due to carbon monoxide poisoning. It is a tasteless, odorless, and colorless gas that we simply can’t detect without a carbon monoxide detector.

The main problem of this gas is its sneakiness. It’s often called “the silent killer” mainly due to its inconspicuous qualities. It’s usually very short-lived in the atmosphere, and it has an important role in creating ground-level ozone.

Carbon monoxide will normally form when there is not enough oxygen to produce carbon dioxide. That’s why this gas is much more common in enclosed spaces – homes, rooms, trailers, industrial settings, and other similar types of buildings.

What Can Cause Carbon Monoxide?

Carbon monoxide will typically be produced when you’re using a source of heat. Home appliances, as well as heating systems, are common polluters that produce CO. Here are the most common ones:

  • Gas fires
  • Boilers
  • Central heating systems
  • Water heaters
  • Cookers
  • Open fires, fire pits
  • Portable generators
  • Oil, coal, wood fires

So you can see that even if you’re traveling, you’re prone to carbon monoxide sickness. Burning outdoor fires or using a fire heating source in your trailer, for example, can produce high enough levels of carbon monoxide to harm you and your family.

And the worst thing about this gas is that we don’t even know when it starts to creep in. You might start to feel lightheaded and dizzy all of a sudden without even knowing the reason why. And if the levels of CO are too high, one can pass out and if not put out of harm’s way, might even die.

Why Do You Need a Portable Carbon Monoxide Detector?

A good portable carbon monoxide detector will keep you alarmed when there are high levels of carbon monoxide detector in the air. The best thing about portable carbon monoxide detectors is that they don’t need a lengthy installation process as most of them are battery-powered.

This makes them great when you’re traveling. But you can also use a portable carbon monoxide detector at home. The simplicity of use is a major factor in buying a portable carbon monoxide detector.

The truth is that you’re never really safe from carbon monoxide. Even hotels or other fixtures might use a central heating system that produces high levels of carbon monoxide. The problem with that is that these fixtures don’t have carbon monoxide detectors, so you don’t really know when the levels are high. Fortunately, you can bring a portable detector with you and stay safe at all times.

How to Choose a Portable Carbon Monoxide Detector?

There are many great options when it comes to portable monoxide detectors, so the choice might not be easy. However, with these tips, you’ll be able to choose between the products easily for your use. What makes a good portable carbon monoxide detector?

1. Portability

Carbon monoxide detectors are normally installed as permanent fixtures in our homes. However, there are also many portable options that don’t need a lengthy installation process.

As a matter of fact, portable detectors will normally be battery-powered, so you’ll only need to change the batteries now and then. And the best thing is that they don’t even take up that much space.

Also, there are some detectors that are meant to be plugged into an electricity source, which is where a good adaptor will come very handy.

2. Reliability

If you’re looking to buy a detector, then you want it to be reliable – this is an obvious factor. How are you going to know if there are high levels of carbon monoxide if the detector is not accurate?

Normally, there are many cheap products that offer a reliable reading; but from our experience and from reading through lengthy reviews of products, we’ve learned that higher-priced detectors tend to be far more reliable.

3. Features

One thing that you should also consider is the features included. Does the detector have an LCD screen for better reading? Does it have small lights on its body that tell you how much carbon monoxide there is? And of course, every detector should make beeping sounds to alarm you.

Consider buying a detector that offers these features.

4. Price

Lastly, the price. If you really want a good quality portable carbon monoxide detector, then you might have to spend slightly more. Normally, the price will dictate the quality, although that’s not always the case. Read on to learn what our best choices for products are.

What is the Best Portable Carbon Monoxide Detector? – 5 Best Choices

Considering all those factors, we have done extensive research on all products currently on the market, and we found these five portable carbon monoxide detectors to be the best at the moment.

1. Klein Tools ET110 Carbon Monoxide Meter

The Klein Tools portable carbon monoxide detector is the perfect choice for personal use. With its efficient and space-saving design, you can even put it in your pocket and take it with you anywhere you go.

It’s battery-powered, and you will get 4 AAA batteries included in the package. This monoxide detector will clearly tell you when there’s a risk of getting poisoned by carbon monoxide, even at lower emission levels.

It has a low-level alarm at 35ppm and a high-level alarm at 200ppm. At both levels, you’ll get visual and audio alarms, so that you will clearly know when it is time to do something about carbon monoxide.

This device is very easy to use and can be utilized by almost anyone. It’s great for HVAC professionals, and for those who like to travel a lot and are worried about potential high carbon monoxide levels. On the LCD screen, you can see all the information about carbon monoxide. And there’s also a carrying pouch included, adding to the already good portability.

Why This Carbon Monoxide Detector
  • Great portability.
  • Very easy to use and reliable.
  • Good for personal use.
  • 4 AAA batteries and a carrying pouch included.
Keep in Mind
  • There is a 20-second delay at times.


2. Sensorcon Inspector CO Carbon Monoxide Monitor

If you’re looking for a slightly sturdier option, then the Sensorcon monitor kit is the right one for you. This product is considered to be one of the best professional portable detectors, as you will be able to predict very accurately the carbon monoxide levels in the air.

On the device itself, there is an LCD screen where you’ll be able to read the exact carbon monoxide levels. It’s considered to be among the most accurate detectors by many professionals.

In addition, this detector is also waterproof (IP67), which means you’ll be able to use it in adverse conditions, too. The screen will display carbon monoxide levels between 1 to 1999 ppm. At 35ppm, there will be a low-level alert, while at 200ppm, you will receive high-level alerts.

This device is great for long-term usage. You’ll need to change batteries and service it every once in a while, but it will give you good longevity.

Why This Carbon Monoxide Detector
  • Professional CO detection kit.
  • Good, rugged, and accurate detector.
  • Great for the long-term.
  • Easy to use.
Keep in Mind
  • There are some reports of poor customer service.


3. Forensics Detectors LTD Car, Vehicle, Aircraft Carbon Monoxide Detector

For those who are constantly on the go and are driving all the time, then this detector will serve them well. It will help you detect high carbon monoxide levels in car exhausts, buses, aircraft, trucks, fleet vehicles, and much more. You’ll be able to see the exact levels of carbon monoxide on the LED screen.

You’ll get low-level alarms at 9ppm and 25ppm already, so you’ll be alarmed just in time. The alarms will be sounded in time and quicker than the alarms of some of the home appliances. In 60 seconds, you’ll be able to get alarms for monoxide levels of above 9ppm.

The bright LED light at the bottom will tell you whether there’s a reason to be concerned. The batteries will last you 8-12 months, and you can easily mount this device with the stick-on mount. There’s also a 1-year warranty on the product.

Why This Carbon Monoxide Detector
  • A great versatile product for travel.
  • Accurate carbon monoxide readings.
  • Low-level alarms at 9ppm.
  • 1-year warranty included.
Keep in Mind
  • Not user-friendly, especially for beginners.


4. Google Nest S3000BWES 2nd Gen, White

The Google Nest is a very popular product by Google that will serve you in good stead for a long time. This detector is perfect for home use, although you can always take it with you and use it in your hotel room, apartment, or anywhere you might be staying while traveling.

This device will connect straight to your phone, but you do need to have an app installed. It will tell you the exact carbon monoxide levels when there is a danger, where the smoke is coming from, and when you need to take action.

A great thing about this product that makes it great for homes is that it has a light built-in, which can act as a light source when you’re walking through your home at night. And with fast CO detection, you can be sure this product is accurate and reliable, too.

Even if you’re not at home, you’ll get alerts to your phone as the Nest will connect to Wi-Fi. And if there is an alarm, you can simply hush it from your phone. A great detector for home use.

Why This Carbon Monoxide Detector
  • Advanced technology.
  • Good connectivity to your phone for easy usage.
  • Accurate carbon monoxide readings.
  • Controllable straight from your phone.
  • You’ll get alerts to your phone anywhere you go.
Keep in Mind
  • Sometimes Nest sends false alarms.
  • Might not send alerts sometimes.


5. UEi Carbon Monoxide Detector

The UEi carbon monoxide detector is a great portable option, as you can use it for industrial means as well as for commercial means. This device will help you measure CO levels in the air anywhere you go, you can even put it in your pocket.

Thanks to the top-quality CO sensor, you’ll get alerts in the form of audible and visual warnings. There are three alarm settings on this device – it will show you CO levels with the help of light on top of the device. The colors of the light will range from green to red. Red means high-level alert.

This is a reliable CO detector that will keep you safe anywhere you go. It will require you to change batteries now and then, and calibrate it. But with the quality build, this device will last you for a long time.

Why This Carbon Monoxide Detector
  • Great portability – you can use it in your pocket.
  • Very reliable detector.
  • Clear visual warnings.
  • Easy to use and long-lasting.
Keep in Mind
  • No pump included.



Carbon monoxide (CO) is also known as the silent killer as there is no other way to detect other than with a detector. When you’re traveling, a portable CO detector will serve you very well.

There are many choices you can make currently on the market. If you’re looking for a premium industrial CO detector, then you should opt for the Sensorcon Inspector detector (Check it on AMAZON). This thing is thoroughly professional and won’t let you down.

For traveling, the Forensics detector (Check it on AMAZON) is the best because you can use it in almost any type of vehicle, and get accurate readings from it. If you’re looking for a product for home use, then opt for Google Nest (Check it on AMAZON) – this thing will connect to your phone to give you alerts anywhere you might be, keeping you and your home safe.

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