Best Portable Carbon Monoxide Detector – Top 3 Handheld Testers

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Carbon Monoxide is known as the “silent and invisible killer”, and for good reason.  Carbon Monoxide poisoning is one of the most prevalent causes of poisoning death in the United States, according to the CDC.  In fact, each year there are hundreds of deaths caused by carbon monoxide poisoning, which is too many!

In this review, we will share our top 3 portable carbon monoxide detectors, which can be used for home, car, travel, camping, or any other place you feel the need to test the levels.  We all know the potential dangers of carbon monoxide, so let’s get right to it.


Top 3 Portable Carbon Monoxide Detectors

Sensocron Portable/Handheld Carbon Monoxide Inspector (4.2/5 Stars)

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The inspector by Sensocron is the best selling portable detector on Amazon.  This handheld device is the perfect choice for travel, as you can quickly and easily check CO levels in a few quick seconds.  This unit is also used by thousands of police and fire departments nationwide, which speaks to its reliability and accuracy.

Sensocron is a great company and has loads of great how-to videos all over YouTube, so learning to use the detector is easy and painless.  This product is American made, and their support is second to none.

Other industries that commonly use the inspector are HVAC, private airlines, oil and gas professionals, and countless other industry professionals.

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Product Features:

  • Portable & Handheld
  • Simple to use
  • A large, high visibility LCD display
  • 2-year battery life
  • Comes pre-calibrated
  • Visual and audible alarms
  • Waterproof, dustproof, drop proof
  • Durable construction

Technical Info:

  • Weight – 4oz
  • Size – 3.2 x 2.2 x 0.9 inches
  • Power Source – CR123A Battery
  • Material – High Impact Static Dissipative PC/PBT Plastic

===> Read More Reviews About the Sensocron Inspector Here <===

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UEi Test Instruments  CO71A Carbon Monoxide  Detector (4.6/5 Stars)

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The CO71A model Co detector works inconspicuously to monitor, record, and alert users in both residential and commercial environments.  If potentially high CO levels are present, the CO71A will let you know about it.

An indicator light located on top of the device will illuminate and change colors based on CO concentration levels.  The simplified interface of this handheld tester has both audible and visual alarms that will alert you when levels are high.

The UE1 CO71A  meets both ASHRA and OSHA standards.

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Product Features:

  • 3 color warning light with audible alert
  • Low battery indicator
  • CO detection up to 999ppm
  • No auto shutoff
  • Backlit display for dark settings
  • Auto zero
  • Includes clip-on soft carrying case, battery

Technical Info:

  • weight – .32oz
  • Size – 1.6 x 1.9 x 4.9 inches
  • Power Source – (1) 9V battery
  • Material – Plastic

===> Read More Reviews About the UE1 CO71A Here <===

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Pocket CO KWJ 72-9021 (Model 300) Carbon Monoxide Detector (4.1/5 Stars)

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The Pocket CO KWJ 72-9021 keychain CO detector is about as portable as they come!  Here at Portable Reviewed, the more portable it is the more we love it 🙂

This CO tester by Pocket CO is the worlds smallest portable co detector.  It was designed by leaders in the air quality and gas detection industry and was built using cutting edge nanotechnology.

This pocket detector is advanced enough for industry professionals, yet extremely simple to use.  It fits right onto your keychain so you don’t have to worry about misplacing it or leaving it at a job site.  Oh, and it weighs under 1oz!  It really is an affordable and easy solution for checking CO levels on the fly.

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Product Features:

  • Loud 85db alarm
  • Bright red light
  • Simple one button operation
  • Easy to read digital display
  • Battery check on startup and during use
  • And many others…

Technical Info:

  • Weight – .75lbs
  • Size – 6 x 6 x 2 inches
  • Power Source – (1) CR2 battery
  • Material – Hard plastic

===> Read More Reviews About the Pocket CO 300 Here <===

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Portable Carbon Monoxide Detectors – Closing Thoughts

Thanks for sticking it out and reading the info on this page.  We all know about the dangers of carbon monoxide, so equipping yourself with a portable and reliable tester is a great decision.  If you have any questions about any of the products listed on our website, don’t hesitate to contact us right away.


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