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You can trust our selection for Portable Co2 Meter Reviews. Because We have worked hard studying and analyzing 50019 reviews for Portable Co2 Meter and rating them. It was a difficult job to list only ten products for Portable Co2 Meter where thousands of them available online. I hope it will help you to take final decision for Best Portable Co2 Meter.

Best Portable Co2 Meter
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Top 10 Best Portable Co2 Meter Reviews

Our team scanned 50019 reviews before putting any suggestions for the Portable Co2 Meter in this article.

Comparison Chart Of Top 10 Portable Co2 Meter

NoProductScoreAction
1Handheld Carbon Monoxide Meter9.8Check Price on Amazon
2Air Quality Monitor for CO29.6Check Price on Amazon
3Air Quality Monitor for CO29.4Check Price on Amazon
4Carbon Dioxide CO2 Detector Monitor Meter Tester Sensor Temperature Humidity Indoor 9999ppm NDIR Air Quality IAQ Handheld Portable Digital Wet Bulb9.4Check Price on Amazon
5CO2 Monitor Air Quality Monitor for Carbon Dioxide Humidity Tempeture NDIR Sensor CO2 Meter Controller with Relay Function for Grow Room Home Office9.4Check Price on Amazon
6Airthings 2930 Wave Plus - Radon & Air Quality Monitor (CO29.2Check Price on Amazon
7Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger8.8Check Price on Amazon
8Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester8.8Check Price on Amazon
9SAF Aranet4 Home: Wireless Indoor Air Quality Monitor for Home8.6Check Price on Amazon
10Amprobe CO2-100 Handheld Carbon Dioxide Meter8.4Check Price on Amazon

Table Of Content:

1. Handheld Carbon Monoxide Meter

  • PROFESSIONAL TOOL: The gas detector is a device that detects the presence of CO gases in an area, often as part of a safety system.
  • POWERFUL FUNCTION: Sound alarm works when CO gas concentration reaches the level of the alarm.
  • HGIH QUALITY:This CO detector has a large LED backlight screen that allows users to easily cope with harsh environments such as darkness, making it easy to read and free users from time and place constraints.
  • HANDHELD SIZE: The CO gas meter is compact and lightweight, professional designed to fit comfortable in your palm,easy to carry and operate.
  • WIDELY APPLICABLE: The Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion, etc.

2. Air Quality Monitor for CO2

  • Using non-dispersive infrared technology (NDIR), full-scale temperature range correction;
  • Various air quality warning forms such as indicator lights and facial comfort expressions;
  • It is suitable for cars, baby rooms, homes, Offices and other densely staffed occasions, it is also suitable for greenhouses, breeding farms, etc.
  • With large-capacity 18650 lithium battery, long battery life,can last for 24 hours without charging,packaged with one USB charging cable;.
  • Packeage include: PTH host × 1,18650 lithium battery × 1 (built-in), user manual × 1, USB cable × 1, Product certificate.

3. Air Quality Monitor for CO2

  • REAL-TIME MONITORING:This carbon dioxide detector can accurately monitor CO2 concentration, air quality, environmental humidity, and temperature in real-time.
  • EXQUISITE APPEARANCE:This co2 monitor is simple in design, light in weight, easy to carry, 3.
  • CALIBRATION AVAIABLE: NDIR CO2 sensor supports easy calibration.
  • DIFFERENT USAGE SCENARIOS: ​The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc.
  • WHAT DO YOU GET:PTH-5 CO2 detector*1 ;English user manual*1; USB data cable* 1.

4. Carbon Dioxide CO2 Detector Monitor Meter Tester Sensor Temperature Humidity Indoor 9999ppm NDIR Air Quality IAQ Handheld Portable Digital Wet Bulb

  • MONITORING & ANALYSIS Allows continuous monitoring of CO2, RH & Temperature Level.
  • MULTIPLE MEASUREMENT DISPLAYS AT ONCE- CO2, Temperature, and Relative Humidity readings are all shown on the LCD display at the same time.
  • NORMAL/ MAX/ MIN/ AVERAGE (15mins/ 8hrs) MODE- It can show not only the normal, maximum and minimum CO2 readings but also the weighted average CO2 readings in the past 15mins (STEL mode) and 8 hours (TWA mode).
  • AUDIBLE CO2 SOUND- The alarm beeps when the CO2 Level exceeds the preset value.
  • NDIR SENSOR for CO2 DETECTION- Non-dispersive infrared technology is used to ensure the reliability and long-term stability.

5. CO2 Monitor Air Quality Monitor for Carbon Dioxide Humidity Tempeture NDIR Sensor CO2 Meter Controller with Relay Function for Grow Room Home Office

  • Built-in Relay Function: Controls the ventilation system to automatically maintain the CO2 level that you set or specify.
  • Measuring Range: CO2: 0 ~ 2000ppm (2001~9999ppm, out of scale); Humidity: 0.
  • Built-in Non-Dispersive InfraRed (NDIR) sensor: Provides long-term & accurate Continuous monitoring
  • Power Supply: 1A Output 12V AC Adaptor With 100V-240V power input and include power adaptor
  • Usage: Control CO2 level for grow room greenhouses, Monitoring air quality in schools, office, home, factories, hospitals, etc.

6. Airthings 2930 Wave Plus – Radon & Air Quality Monitor (CO2

  • RELIABLE RADON RESULTS: As radon levels fluctuate daily, continuous long-term measuring is necessary.
  • CLEAN AIR SENSORS: Radon, Carbon Dioxide (CO2), toxins and chemicals (Total VOCs), humidity, temperature and air pressure sensors allow you to gain full visibility into six key indoor air factors.
  • EASY AND CLEAR RESULTS: Connect via Bluetooth to the Airthings App or log in to the Airthings Dashboard online for detailed insights into your air.
  • POLLEN LEVELS : Live and local pollen data right in your Airthings App
  • EASY: Simply wave in front of the device to receive a color-coded visual indication of the overall air quality: Green (Good), Yellow (Fair), Red (Poor).
  • SMART HOME INTEGRATION: Airthings Wave Plus works seamlessly with Alexa, Google Assistant and IFTTT (if this then that).

7. Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger

  • Made in: United States
  • Package Dimensions: 36.068 L x 7.874H x22.606W(centimeters)
  • Test Instruments & Gauges
  • Package Weight: 2.35 pounds

8. Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester

  • Triple displays of CO2 level, Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available).
  • Stable NDIR Sensor for CO2 Detection.
  • Sound Warning Alarm notifies operator when CO2 levels reach or exceed a preset threshold
  • Power Supplied by Battery (Included) or 9V Adaptor .
  • Measuring Range:CO2: 0~9999ppm,(2001~9999 out of scale), Resolution : 1ppm,0.1°C/°F, 0.1%RH

9. SAF Aranet4 Home: Wireless Indoor Air Quality Monitor for Home

  • Precisely monitors indoor air quality – CO2, Temperature, Relative Humidity and Atmospheric pressure in Real-Time.
  • Visual and Sound Warnings when CO2 concentration gets too high
  • Power-efficient E-Ink display ensures super long battery life for this wireless device (up to 4 Years).
  • Smartphone app for historical data viewing (supports iPhone and iPad with iOS 12 or later, Android devices with Nougat 7.
  • Uses non-dispersive infra-red sensor (NDIR) technology for most precise CO2 measurements

10. Amprobe CO2-100 Handheld Carbon Dioxide Meter

  • Handheld digital meter measures ambient level of carbon dioxide (CO2) to monitor indoor air quality and performance of heating, ventilation, and air-conditioning systems.
  • Displays current CO2 levels, long-term average CO2 levels measured over an 8-hour period, and short-term average CO2 levels measured over a 15-minute period.
  • Alarm notifies operator when CO2 levels reach or exceed a preset threshold, CO2 measurement up to 9999 ppm.
  • Liquid crystal display (LCD) shows ambient CO2 levels, as well as air, wet bulb, or dew point temperature and humidity.
  • Manual calibration helps ensure accurate humidity and CO2 readings

Portable Co2 Meter Buying Guide


Does the thought of finding a great Portable Co2 Meter stress you out? Has your mind been juggling between choices when it comes to buying Portable Co2 Meter in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Portable Co2 Meter for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Portable Co2 Meter Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Portable Co2 Meter in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Portable Co2 Meter currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Portable Co2 Meter brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Portable Co2 Meter based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Portable Co2 Meter before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Portable Co2 Meter they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Portable Co2 Meter, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Portable Co2 Meter before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Portable Co2 Meter will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Portable Co2 Meter if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Portable Co2 Meter on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Portable Co2 Meter on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Final Words


Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Portable Co2 Meter featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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