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6 Best Portable Carbon Monoxide Detectors of 2024

By Eugene WilliamsLast update: 2024-03-04

In a world filled with invisible dangers, it has never been more crucial to equip yourself with the best protection possible. Carbon monoxide, also known as the silent killer, can lurk undetected in our homes or while we're on-the-go – making reliable and efficient detection a necessity. That's why we made this list to help you pick the best portable carbon monoxide detector easily and take control of your safety.

Here are the best portable carbon monoxide detectors you can buy in 2024:

  • Loud & Piercing: Kidde ‎KN-COB-DP2
  • Simple To Use: First Alert CO605
  • Mini Design With Hanging Lanyard: CEKKIENA ‎D6
  • Best For RV Camper: FDUIOSPF ‎JSN-997
  • Long Battery Life: X-Sense ‎XC01-R
  • Best For Vehicles: FORENSICS DETECTORS TW-5IA7-GGTV
6 Best Portable Carbon Monoxide Detectors
Loud & Piercing
Kidde ‎KN-COB-DP2
    Simple To Use
    First Alert CO605
      Mini Design With Hanging Lanyard
      CEKKIENA ‎D6
        Best For RV Camper
        FDUIOSPF ‎JSN-997
          Long Battery Life
          X-Sense ‎XC01-R
            Best For Vehicles
            FORENSICS DETECTORS TW-5IA7-GGTV

              Loud & Piercing: Kidde ‎KN-COB-DP2

              Kidde ‎KN-COB-DP2
              Kidde ‎KN-COB-DP2
              Pros
              • Ensure the occupants don’t miss alerts - loud and piercing alarm, at 85 decibels
              • Easy to monitor the last time CO was detected - a peak level memory function
              • Show real-time CO levels - digital display
              Cons
              • The battery compartment can’t be closed without inserting the batteries

              The Kidde ‎KN-COB-DP2 features a loud and piercing alarm at a rating of 85 decibels that will immediately alert occupants when carbon monoxide is detected. This makes it ideal for those who may have difficulty hearing softer alarms or for situations where prompt attention to CO detection is critical.

              Speaking of the features, this unit boasts a peak level memory function that records the last time carbon monoxide was detected or when the unit was last tested, providing valuable information for safety monitoring.

              The digital display shows real-time carbon monoxide levels, updating every 15 seconds for accurate readings.

              Besides, you can easily test the unit and silence false alarms.

              Kidde ‎KN-COB-DP2 Specifications

              Size

              2.75 x 1.5 x 4.5 inches

              Temperature Range

              40-104 F

              Humidity

              10% to 95% relative humidity, non-condensing

              Alarm Noise Level

              85-decibel

              CO Alarm Sensitivity & Time

              every 15 seconds

              Highlight Features

              loud and piercing alarm, at 85 decibels

              a peak level memory function

              digital display

              Verdict

              With a 85-decibel alarm, the Kidde ‎KN-COB-DP2 is suitable for anyone who needs a reliable and effective carbon monoxide detector to ensure safety in their home.

              Simple To Use: First Alert CO605

              First Alert CO605
              First Alert CO605
              Pros
              • Simple to use - single test/silence button
              • Able to detect CO from anywhere in the room - advanced electrochemical carbon monoxide sensor
              • Reliable - UL approved
              Cons
              • Unclear battery position
              • Incomplete instructions

              The First Alert CO605 is a well-suited choice for beginners due to its simple and user-friendly design, offering seamless integration into any standard outlet without the need for additional mounting.

              The single test/silence button simplifies operation, and the low battery signal can be muted for up to 8 hours.

              Notably, its advanced electrochemical carbon monoxide sensor provides accurate detection regardless of its placement in the room. Rest assured about the safety and performance of this CO detector, as it meets rigorous UL standards.

              First Alert CO605 Specifications

              Size

              3.4 x 1.38 x 5 inches

              Temperature Range

              85-105 Degrees Fahrenheit

              Alarm Noise Level

              85 decibels

              Highlight Features

              single test/silence button

              advanced electrochemical carbon monoxide sensor

              UL approved

              Verdict

              The First Alert CO605, with its simple-to-use design, is suitable for anyone looking for a reliable and user-friendly carbon monoxide detector.

              Mini Design With Hanging Lanyard: CEKKIENA ‎D6

              CEKKIENA ‎D6
              CEKKIENA ‎D6
              Pros
              • Space-saving, portable, & convenient - dimensions of 3.3 x 2.0 x 0.66 inches & a hanging lanyard included
              • Deliver superior accuracy - Electrochemistry working method
              • Easy to monitor in real time - a color HD 1.9’’ screen
              Cons
              • Power adapter not included
              • Limited alarm customization

              The CEKKIENA D6 stands out due to its mini design with a hanging lanyard, making it highly convenient and portable.

              With dimensions of 3.3 x 2.0 x 0.66 inches, it can be easily carried in your pocket or hung anywhere with the included lanyard. This feature is especially beneficial for those who are always on the go, such as outdoor enthusiasts, campers, boaters, and travelers.

              The detector utilizes the Electrochemistry working method, ensuring more accurate and real-time monitoring of carbon monoxide levels. The color HD 1.9’’ screen displays the data, refreshed every 2 seconds, providing constant awareness of the air quality in the environment.

              CEKKIENA ‎D6 Specifications

              Size

              2 x 0.67 x 3.35 inches

              Temperature Range

              -4 to 140 ℉

              Humidity

              0-95 percent

              CO Alarm Sensitivity & Time

              per 2s

              Highlight Features

              dimensions of 3.3 x 2.0 x 0.66 inches & a hanging lanyard included

              Electrochemistry working method

              a color HD 1.9’’ screen

              Verdict

              With its handy mini design and a hanging lanyard included, the CEKKIENA D6 offers superior portability, convenience, and space efficiency.

              Best For RV Camper: FDUIOSPF ‎JSN-997

              FDUIOSPF ‎JSN-997
              FDUIOSPF ‎JSN-997
              Pros
              • Space-saving - measuring 2.36 x 2.36 x 0.98 inches
              • Powered by easy-to-buy AAA batteries
              • Provide users with ample time to take appropriate action - a loud alarm & a LED flash
              Cons
              • Tiny print in instructions

              The FDUIOSPF ‎JSN-997 boasts a portable design, measuring 2.36 x 2.36 x 0.98 inches, which makes it a perfect choice for installing in limited spaces.

              Powered by AAA batteries, it ensures independent performance during power failures with no interruptions. Besides, AAA batteries are popular and easy to find - a huge plus for RV campers.

              But the most notable feature is that the JSN-997 offers both audible and visual alarms when detecting CO. Besides a loud alarm, it is added with a LED flash, giving users ample time to take appropriate action.

              FDUIOSPF ‎JSN-997 Specifications

              Size

              2.36 x 2.36 x 0.98 inches

              Temperature Range

              5℃~40℃

              Humidity

              20%~90%

              Alarm Noise Level

              85 decibels

              Highlight Features

              measuring 2.36 x 2.36 x 0.98 inches

              Powered by easy-to-buy AAA batteries

              a loud alarm & a LED flash

              Verdict

              With its small size and lightweight construction, this CO detector becomes a convenient and essential safety tool for RV campers, providing peace of mind during their journeys.

              Long Battery Life: X-Sense ‎XC01-R

              X-Sense ‎XC01-R
              X-Sense ‎XC01-R
              Pros
              • Eliminate the hassle of frequent battery replacements - a 5-year replaceable battery
              • Reliable and highly accurate - Figaro electrochemical CO sensor
              • Flexible to install - two installation options, wall-mounted or free-standing
              Cons
              • Low contrast display, which may be difficult to read

              What sets the X-Sense ‎XC01-R apart from other portable CO detectors is its exceptional long battery life, offering a 5-year replaceable battery. This long-lasting power source ensures continuous and reliable protection, giving users peace of mind without the need for frequent battery replacements.

              Regarding performance, its Figaro electrochemical CO sensor provides high accuracy and reliability, making it a dependable safety device.

              The unit also offers flexible installation options, being wall-mounted or free-standing, and is easy to carry while traveling.

              X-Sense ‎XC01-R Specifications

              Size

              5.3 x 2.5 x 0.6 inches

              Temperature Range

              40-100f

              Alarm Noise Level

              85-decibel

              Highlight Features

              a 5-year replaceable battery

              Figaro electrochemical CO sensor

              two installation options, wall-mounted or free-standing

              Verdict

              With its long battery life, the X-Sense ‎XC01-R is suitable for anyone looking for a reliable and low-maintenance carbon monoxide detector.

              Best For Vehicles: FORENSICS DETECTORS TW-5IA7-GGTV

              FORENSICS DETECTORS TW-5IA7-GGTV
              FORENSICS DETECTORS TW-5IA7-GGTV
              Pros
              • Able to detect exhaust leaks in vehicles - low-level CO detection at 9ppm and 25ppm
              • Accurate performance - Japanese CO sensor technology and USA calibration
              Cons
              • No backlight
              • The FORENSICS DETECTORS TW-5IA7-GGTV is designed specifically for automotive use.

              It is equipped to detect exhaust leaks in vehicles, including SUVs, aircraft, school buses, trucks, and fleet vehicles, thereby preventing potential health issues such as headaches, nausea, and driver fatigue caused by CO exposure.

              Offering accurate low-level CO detection at 9ppm and 25ppm, the unit adheres to recommended exposure levels set by reputable organizations like WHO, EPA, ASHRAE, OSHA, and NIOSH.

              Besides, its Japanese CO sensor technology and USA calibration ensure maximum accuracy and reliability, making it a trustworthy choice for detecting carbon monoxide in automotive settings.

              FORENSICS DETECTORS TW-5IA7-GGTV Specifications

              Size

              2.7 x 1.9 x 0.8 inches

              Temperature Range

              14F - 122F

              Humidity

              < 95 %RH

              Alarm Noise Level

              70 dB

              CO Alarm Sensitivity & Time

              <30 seconds

              Highlight Features

              low-level CO detection at 9ppm and 25ppm

              Japanese CO sensor technology and USA calibration

              Verdict

              For those who own or operate vehicles, no matter SUVs, aircraft, school buses, trucks, and fleet vehicles, our recommendation is the FORENSICS DETECTORS TW-5IA7-GGTV.

              How To Choose The Best Portable Carbon Monoxide Detector?

              Sensor Type

              The heart of any carbon monoxide detector lies in its sensor.

              Look for detectors equipped with advanced electrochemical sensors, as they provide precise and real-time CO level readings. These sensors are the industry standard and offer excellent accuracy, ensuring timely alerts when CO concentrations reach dangerous levels.

              Alarm Thresholds

              Now, onto the alarm thresholds!

              The best portable CO detectors have low-level alarms set at 9 ppm and higher ones at 25 ppm. All following the safety guidelines from WHO, EPA, ASHRAE, and NIOSH.

              This means you'll get early warnings for potential leaks and exposure, even at lower CO levels. Safety first, right?

              Battery Life

              Opt for detectors that offer long-lasting battery life.

              Continuous operation for 8-12 months on the same batteries provides peace of mind, especially during extended trips or power outages.

              Calibration and Accuracy

              And don't forget about calibration and accuracy! Choose detectors that come factory calibrated and tested. Look for ones with NIST traceable sources or USA calibration. It'll give you the utmost confidence in the accuracy of gas detection.

              Which Brands Make The Best Portable Carbon Monoxide Detector?

              Kidde

              Kidde is a reputable brand founded in 1917, making it one of the oldest and most trusted manufacturers of fire safety equipment. With a long history of innovation and reliable products, Kidde is a great choice for buying portable carbon monoxide detectors.

              Their CO detectors are highly rated for their accuracy, performance, and features like voice alerts and smartphone connectivity. Kidde's commitment to safety and their extensive experience in the industry make them a reliable brand to consider.

              X-Sense

              X-Sense was established in 2013. Since then, the brand has developed continuously to be a trustful address for effective and reliable smoke and CO monitoring devices at an affordable price.

              Its products have received positive reviews for their performance, making it a good choice for consumers seeking quality CO detectors.

              FAQs

              Is there such a thing as a portable carbon monoxide detector?

              Yes, there is.

              Portable carbon monoxide detectors are designed to be compact and easily carried while providing an additional layer of safety for the users.

              They typically have batteries or rechargeable power sources and can be placed in different areas to monitor for this dangerous gas.

              What is the difference between a CO detector and a carbon monoxide detector?

              There is no difference between a CO detector and a carbon monoxide detector. Both terms refer to the same device, which is designed to detect the presence of carbon monoxide gas in the surrounding environment.

              Where is the safest place to put a carbon monoxide detector?

              The safest place to put a carbon monoxide detector is in each sleeping area or bedroom of your home. The reason is these positions allow you to receive prompt alerts if there is a carbon monoxide leak while you and your family are sleeping, giving you time to evacuate and seek help.

              Can you bring a carbon monoxide detector in carry-on luggage?

              Yes, you can bring a carbon monoxide detector in carry-on luggage when traveling on a plane. Carbon monoxide detectors are generally allowed in both carry-on and checked luggage.

              How long do carbon monoxide detectors last?

              Carbon monoxide detectors typically last between 5 to 7 years. But it's still important to check the manufacturer's recommendations and expiration date on the detector to ensure its effectiveness.

              Conclusion

              Investing in the best portable carbon monoxide detector is essential for ensuring your safety while you travel or are away from home for extended periods of time. We have outlined our favorite picks as well as provided some buying tips and other essential information. Hopefully, this article was helpful to you. Thanks for reading!

              Hi, my name is Eugene, the ultimate home enthusiast! I write buying guides and ideas on how to create a warm and welcoming home. Join me on my journey to make everyday in your house a staycation in the comfort of your own space!


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