Top 10 Best CO2 Detectors
for June 2023

MOOZ's editors independently choose recommendations. Purchases made through our links may earn us commissions.

As industries continue to produce large amounts of carbon dioxide (CO2) emissions, detection and monitoring of CO2 levels have become critical to ensure the safety and health of employees and to comply with regulations. To meet the growing demand for reliable CO2 detectors, we have compiled a list of the top 10 best CO2 detectors related to Industrial & Scientific, Test, Measure & Inspect. These detectors come with a range of features such as sensors that accurately detect not only CO2 but also other gases such as formaldehyde, volatile organic compounds, and particulate matter. Moreover, many of these detectors come equipped with indoor air quality meters and temperature and humidity sensors to provide extensive data on the air quality of the workspace.

The importance of indoor air quality cannot be overstated, considering the amount of time most people spend indoors. Poor air quality can lead to various health problems such as headaches, fatigue, and respiratory illnesses. To address this issue, CO2 detectors are designed to monitor and detect indoor air quality more accurately. The detectors are built with sensors that can detect not only CO2 but also other harmful gases present in the air. With these detectors, you will be alerted when harmful gases exceed safe levels, allowing you to take necessary precautions to improve air quality.

Moreover, most CO2 detectors come with a data logger feature that allows you to keep track of CO2 levels over time. These data loggers are crucial when it comes to assessing the effectiveness of ventilation systems and ensuring regulatory compliance. Some CO2 detectors also come with alarm systems, which can alert users when CO2 levels exceed safe limits.

Temperature and humidity levels can also affect indoor air quality. To obtain accurate data on air quality, many CO2 detectors are equipped with sensors that monitor temperature and humidity levels, in addition to CO2 levels. These sensors provide a more comprehensive picture of indoor air quality, allowing for more precise diagnosis and intervention.

In conclusion, with a wide range of features and capabilities, CO2 detectors are a crucial tool for monitoring indoor air quality in industrial and scientific settings. The detectors provide important data on the presence of harmful gases in the air, as well as temperature and humidity levels, allowing for more effective intervention and regulation compliance. Therefore, investing in a reliable and high-quality CO2 detector is essential for ensuring safe and healthy working environments.

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9.9
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Air Quality Monitor BIAOLING Accurate Tester for CO2 Formaldehyde(HCHO) TVOC PM2.5/PM10 Multifunctional Air Gas Detector Real Time Data&Mean Value Recording for Home Office and Various Occasion

Air Quality Monitor BIAOLING Accurate Tester for CO2 Formaldehyde(HCHO) TVOC PM2.5/PM10 Multifunctional Air Detector Gas Real Time Data&Mean Value Recording for Home Office and Various Occasion

by BIAOLING
What We like

EASY OPEARATION -This air monitor is easy to operate with just pressing the functional button, easy to read numbers and support of an alarm sound will let you know if your air is unsafe and you need to take some actions.

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Product Features

  • MULTIPLE DETECTABLE GASES - BIAOLING upgraded indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compound(TVOC), Particle Matter(PM2.5/PM10). Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,alcohol,glue,paint,ink and others.
  • PORTABLE&3000mAh RECHARGEABLE BATTERY - Size about 5.83 * 2.76 * 1.18. It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby,child and pregnant woman. Built with 3000 mAh rechargeable battery and packaged with one USB cable, the standby time can last for 8-12 hours.
  • NEW DESIGN - Newest unique mold and design with LCD Color Screen Digital Display; it can offer mean value for each gas because long-term monitoring, the real-time data exist instability.
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9.7
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GZAIR Model 2 Indoor CO2 Meter, Temperature and Relative Humidity Carbon Dioxide Detector, Air Quality Monitor, NDIR Channel Sensor, Data Logger, 0~9999ppm Range (White)

GZAIR Model 2 Indoor CO2 Meter

by GZAIR
What We like

Fashionable appearance and flexible touch screen, It could be an industrial product you've never seen before.

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Product Features

  • Set up a password to protect your privacy.
  • You can import the data to PC as a txt file, and track the 7 days history trend on PC.
  • NDIR dual channel sensor for fast and accurate response.
  • You can view up to 7 days of history reading, tracking records every 15 minutes.
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9
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Carbon Dioxide/ Temperature/ Humidity Air Quality Monitor Meter,Wall Mountable CO2 Detector , RH Indoor Air Quality IAQ Sensor, 0~2000ppm Range

Gain Express Carbon Dioxide/ Temperature/ Air Humidity Quality Monitor Meter

by Gain Express holdings Ltd.
What We like

Perfect to be used to monitor air quality in schools, office buildings, greenhouses, factories, hotels, hospitals and anywhere that high levels of carbon dioxide are generated

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Product Features

  • With CE Marking, passed the standards and had been approved by European Directives for health & safety
  • Humidity: Range (0.0~99.9%) / Resolution (0.1%) / Accuracy {3% (10~90%) **5% (others)}
  • Temperature Range: -10.0~60.0C (14~140F) /Resolution: 0.1C/F / Accuracy: 0.6C / 0.9F
  • CO2 Range: 0~2000ppm {2001~9999 (out of scale)} / Accuracy 50ppm 5%rdg (0~2000) / Resolution: 1ppm
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9
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Air Quality Monitor, SEESII Indoor Air Quality Accurate Tester for CO2 Formaldehyde(HCHO) TVOC/AQI, Multifunctional Air Gas Detector Monitoring Real Time Data&Mean Value Recording

Seesii Air Quality Monitor

by Seesii
What We like

Easy to UseJust press the power on / off button 3 seconds, you can easily operate this air monitor, designed with LED digital display, can provide the average value of each gas, real-time detection of harmful HCHO and TVOC in the room .Ples notes:Before using the meachine for the first time, please turn on the meachine and take it outdoors for 30 minutes to ventilate it for normal use

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Product Features

  • Warmly Tips It is recommend to close the door and window and place the instrument at a height of 80-150cm from the ground for 10 minutes when test indoor; It is need around 60 minutes for testing formaldehyde TVOC CO2(It is just need around 3-15 minutes for testing Cabinet, drawer etc small space.).Do not blow into the test port during the test, minimize air convection, and avoid using perfumes to avoid affecting the test results
  • Portable & RechargeableThis air quality meter is lightweight and easy to carry, weight: 0.7 lb, and it can be used in homes, living rooms, bedrooms, kitchens, cars, offices, studies, and outdoor occasions. Especially places with babies, children, the elderly and pregnant women. Built with 2000 mAh rechargeable battery and packaged with one USB cable, the standby time can last for 4 hours.
  • Real Time MonitoringThis air quality monitor has a built-in fan, which can quickly inhale ambient air to detect various indicators in the air. At the same time, the air quality detector equipped with 5.5 inch LED Screen Digital Display; it can offer mean value for each gas because long-term monitoring, the real-time data exist instability.
  • Multifunctional Air Quality DetectorUpgraded indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compound(TVOC), this is for you understand the air quality of the livingenvironment is very important.
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WiFi Air Quality Monitor Indoor CO2 Detector Gas Pollution Real Time Tester for PM2.5 HCHO TVOC Temperature Humidity, Colorful LCD Screen, Rechargeable Battery

Langkou WiFi Air Quality Monitor Indoor CO2 Detector Gas Real Pollution Time Tester for PM2.5 HCHO TVOC Temperature Humidity

by Langkou
What We like

Durable 3000 mAh Battery: The built-in 3000 mAh battery can provide up to 3-5 hours of use on a full charge, in addition to real-time power through the included usb charging cable, so you can put it on your nightstand or desk as a clock without worrying about it running out of power.

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Product Features

  • Portable CO2 Detector: A portable detector the size of a palm, is easy to carry and can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, campground and other environments. the data can indirectly understand the presence of second-hand smoke and mold, which will send out an alarm for your health.
  • Know The Air Around You: The air quality tester has built-in professional detection sensors designed to accurately track air quality including HCHO (formaldehyde), CO2, PM2.5PM1.0 and PM10 (particulate matter), TVOC (volatile organic compounds), temperature and humidity. Tips: Please let the device work short mins outdoor before use for most accurate results.
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8.8
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Carbon Dioxide Co2 Detector Infrared Sensor Co2 Meter Detecting Tool LCD Display PPM Meters Indoor Gas Air Quality Monitor Analyzer Data Logger USB/Battery Power

Carbon Dioxide Co2 Detector Infrared Sensor Co2 Meter Detecting Tool LCD Display Meters PPM Indoor Gas Air Quality Monitor Analyzer Data Logger USB/Battery Power

by NEWISHTOOL
What We like

Co2 PPM Meters Passed the CE mark and approved the European Health and Safety Directive

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Product Features

  • 3.2" TFT full color display Co2 Meter, real time CO2 monitoring by the precision sensor, and it will alarm you once the CO2 exceed the setting value, data logger stores up to 999 groups of data, Time interval can be set.
  • This Carbon Dioxide Detector Co2 Measuring range 0-9999ppm, Accuracy 40PPMrdg10%, Temperature Measurement Range: -20~60 (-4~140),Accuracy: 1 (2),Humidity Measurement Range: 0~100%RH, Accuracy: 2%RH
  • Carbon Dioxide detector adopt non-dispersive infrared (NDIR) sensor, ensure reliability and long-term stability.
  • Co2 sensor air quality monitor equipped with Built-in 2200mAhli-ion rechargeable battery, the performance is more stable and can continuous work at >9 hours when full charged, Also equipped a 5V USB cable .
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8.6
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CO2Meter RAD-0301 Mini CO2 Monitor, White

CO2Meter RAD-0301 Mini CO2 Monitor

by Radiant Innovations Inc.
What We like

Connect to pc with free software to log Co2 levels over time

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Product Features

  • Mini desktop Co2 monitor
  • Power via usb port or 120Vac wall plug (wall plug not included)
  • 3 different led show current indoor air quality
  • Indicator light alarm levels can be adjusted by user
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8.6
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Hydrofarm APCEM2 Autopilot Desktop CO2 Monitor & Data Logger, Data, White/Blue

Hydrofarm APCEM2 Autopilot Desktop Monitor CO2 & Data Logger

by Hydrofarm
What We like

Replenish CO2 Reminder: calculates time frame based on usage from past 5 days

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Product Features

  • 2-Channel Low Drift NDIR (non-dispersive infrared) Gas Sensor
  • Audible alarm for low/high CO2 levels
  • Trend Chart: shows variable Min/Hr/Day/Wk for readings of CO2/RH/Temperature
  • CO2/RH/Temperature monitor on a clear display
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8.6
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Air Quality Monitor, 3-In-1 Combo CO2 Moisture Meter Pollution Meter, Sensor, Tester; Detect & Test Indoor Pollution, Carbon Dioxide Detector Temperature and Humidity Indoor

Directtyteam Air Quality Monitor

by Directtyteam
What We like

Large screen design, clear and easy to see.made of fine quality material, practical, easy to operate and use, has a long service life.

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Product Features

  • Application areas: agricultural planting, greenhouse vegetables, production warehouse, raw material processing, home interior, etc.
  • Functions:New 3-in-1 air quality monitor for CO2 Detector,hazard assessment, temperature and humidity detection, intelligent alarm system, gas recognition algorithm, multiple anti-interference, air convection technology, greenhouse compensation calibration.
  • Carbon dioxide 1s/time real-time refresh. Using more professional infrared optical principles to accurately and quickly detect carbon dioxide.
  • High-performance chip is accurate and more outstanding.
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8.5
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Portable Digital Carbon Dioxide Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Detector Monitor Meter Wet Bulb Temperature (WB) (Without CD Software & Adaptor)

TEKCOPLUS Portable Digital Carbon Dioxide Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ Detector CO2 Monitor Meter Wet Bulb Temperature (WB) (Without CD Software & Adaptor)

by TekcoPlus Ltd
What We like

MONITORING & ANALYSIS- Allows continuous monitoring of CO2, RH & Temperature Level. Data output to PC every 2 seconds.

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Product Features

  • NDIR SENSOR for CO2 DETECTION- Non-dispersive infrared technology is used to ensure the reliability and long-term stability. Measures 0~9999ppm while 0~2000ppm can maintain a high accuracy at +/- 50ppm
  • 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. The alarm threshold is adjustable.

CO2 detectors have become essential tools for ensuring indoor air quality in homes, workplaces, and public spaces. But where did they come from? Let's take a look at the fascinating history of these important devices.

Early 1800s: Scientists begin studying the concept of carbon dioxide, its properties, and its effects on the environment.

1889: A German scientist named Max von Pettenkofer invents a device that can measure the level of carbon dioxide in the air. However, the device is bulky and difficult to use.

1930s: Advances in electronics and portable sensors lead to the development of the first practical carbon dioxide detectors.

1960s: Carbon dioxide detectors become more widespread, finding use in commercial buildings and factories.

1970s: The first residential carbon dioxide detectors hit the market, primarily for use in homes with fuel-burning appliances.

1990s: With rising awareness of indoor air quality and health concerns, carbon dioxide detectors become more prevalent and sophisticated, detecting not just CO2 but other harmful gasses as well.

2000s: Carbon dioxide detectors become more affordable and widely available, with many models designed for consumer use.

Today, carbon dioxide detectors play an essential role in ensuring indoor air quality in homes, businesses, and public spaces. They help us detect and prevent the accumulation of harmful gases that can cause health issues, fatigue, and even death in some cases. With advancements in technology, we can expect to see even more advanced carbon dioxide detectors in the years ahead, helping us breathe easier and stay safer. So, if you don't have a CO2 detector in your home or workspace, consider investing in one today!

From the product description, the key decision-making factors in rating the air quality monitor product are the multiple detectable gases, portability, rechargeable battery, and new design.

1. Multiple Detectable Gases - This is an essential factor when it comes to air quality monitors. The Biaoling indoor air quality monitor uses Dart electrochemical sensors, which can accurately detect the air for Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compound(TVOC), Particle Matter(PM2.5/PM10). These are harmful substances and pollutants that can have adverse effects on human health. Detecting such gases in the indoor air can help users take appropriate measures to mitigate the risk.

2. Portability - The product description mentions that the Biaoling air quality monitor is portable. The size is about 5.83 * 2.76 * 1.18, which makes it easy to carry. This factor is essential for people who are always on the move, and they want to keep track of the indoor air quality wherever they go. With this feature, the Biaoling air quality monitor can be used in households, kitchens, bedrooms, offices, schools, cars, hotels, travels, camping, and parties. Moreover, this flexibility allows users to monitor the air quality in different environments, especially in places with babies, children, and pregnant women.

3. Rechargeable Battery - A rechargeable battery is an essential feature for any portable device. The Biaoling air quality monitor comes with a built-in 3000mAh rechargeable battery, and it is packaged with one USB cable. This feature allows users to continue using the device for an extended period without worrying about running out of power. The standby time can last for 8-12 hours, providing enough time to monitor the indoor air quality continuously.

4. New Design - The product description states that the Biaoling air quality monitor has a new and unique mold design with an LCD color screen digital display. This feature is essential because it offers a mean value for each gas due to long-term monitoring. Real-time data is usually unstable and may not give accurate measurements. The new design and display can provide meaningful insights for users to make informed decisions about preventing or mitigating air hazards.

In summary, the Biaoling air quality monitor product has key decision-making factors that make it an excellent product for people interested in monitoring their indoor air quality. These factors include multiple detectable gases, portability, rechargeable battery, and new design. By considering all these factors, users can make an informed decision about purchasing the product for their indoor air quality monitoring needs.

FAQ About CO2 Detector

Q: What is the most accurate carbon monoxide detector?

A: The most accurate carbon monoxide detector typically uses electrochemical sensors. It's important to note, however, that no detector can accurately measure CO levels below 30 ppm.

Q: What is the best placement CO detector?

A: It's recommended to place a CO detector in every bedroom and on every level of the home. They should be installed at least 5 feet above the floor and away from heating or cooking appliances.

Q: Which carbon monoxide detector is better Kidde or First Alert?

A: Both Kidde and First Alert are reputable brands with reliable carbon monoxide detectors. It's important to choose one that meets your specific needs and budget.

Q: What is the best CO2 alarm?

A: A carbon dioxide alarm is typically used in commercial or industrial settings where high levels of CO2 can pose a danger to workers. The best CO2 alarm would need to meet specific regulatory standards and be appropriate for the specific setting in which it will be used. It's important to do research and consult with a professional before purchasing a CO2 alarm.

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