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Top 10 Best CO2 Monitors
for August 2022

Last Updated On

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The CO2 monitor is a device that detects and measures the concentration of carbon dioxide in an atmosphere. The CO2 monitors are used for many purposes, including air quality control, pollution monitoring, and determining greenhouse gas emissions. They can also be used to detect human presence as they exhale carbon dioxide. There are different types of CO2 monitors that vary by their resolution (i.e., how finely it can measure) and measurement range (i.e., how low or high concentrations it can measure). A few examples of these include UV-VIS methods like absorption spectroscopy, infrared devices like FTIR photometry, electrochemical detectors such as amperometric sensors, and chemiluminescent detectors which use light emission from chemicals.

CO2 Monitors are a necessity for everyone who needs to know the CO2 levels in their workplace. In this article, we have compiled a list of the top 10 best CO2 monitors on the market.

1
9.9
SCORE
GZAIR Model 1 Indoor CO2 Meter, Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, NDIR Sensor, Data Logger, 0~5000ppm Range

GZAIR Model 1 Indoor CO2 Meter

Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, NDIR Sensor, Data Logger, 0~5000ppm Range

by GZAIR
What We like

ProfessionalThis CO2 monitor can detect CO2, temperature and humidity. It has 2 CO2 detect modes, People and Plants. People mode detect if you are in a healthy range. Plants modes has 1-9 range corresponds different vegetable and fruits to detect whether the growing conditions of plants is good. It is usually used at where CO2 is generated on high levels, -Schools, Greenhouses,Office buildings,Factories,Hospitals,Hotels,Transportation lines.

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Product Features

  • Data LoggerBuilt-in storage for continuous data logging, you can track trend data up to 7 days for co2 concentrations, temperature, humidity, and it display the Max &min value.
  • AccurateThis detector adopt NDIRnon-dispersive infraredsensor what is a new type of infrared sensor, It works quickly, stably and won't be affected by temperature or other conditions than outdated Chemosensor. Its detection accuracy is (50ppm+5% reading).
  • Automatic&manual calibrationOffer 2 calibration model, manual calibration and automatic calibration. We has calibrated it manually in factory, and it can automatic calibrate during the detection.

Data loggerbuilt-in storage for continuous data logging, you can track trend data up to 7 days for co2 concentrations, temperature, humidity, and it display the max &min value. Automatic&manual calibrationoffer 2 calibration model, manual calibration and automatic calibration. we has calibrated it manually in factory, and it can automatic calibrate during the detection. Accuratethis detector adopt ndirnon-dispersive infraredsensor what is a new type of infrared sensor, it works quickly, stably and won't be affected by temperature or other conditions than outdated chemosensor. its detection accuracy is (50ppm+5% reading).

2
9.6
SCORE
GZAIR Model 2 Indoor CO2 Meter, Temperature and Relative Humidity Carbon Dioxide Detector, Air Quality Monitor, NDIR Channel Sensor, Data Logger, 0~9999ppm Range (Black)

GZAIR Model 2 Indoor CO2 Meter

Temperature and Relative Humidity Carbon Dioxide Detector, Air Quality Monitor, NDIR Channel Sensor, Data Logger, 0~9999ppm Range (Black)

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

  • 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.
  • Set up a password to protect your privacy.

Ndir dual channel sensor for fast and accurate response. Set up a password to protect your privacy. You can view up to 7 days of history reading, tracking records every 15 minutes. You can import the data to pc as a txt file, and track the 7 days history trend on pc.

3
9.5
SCORE
CO2Meter RAD-0301 Mini CO2 Monitor, White

CO2Meter RAD-0301 Mini CO2 Monitor

White

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

  • Indicator light alarm levels can be adjusted by user
  • Mini desktop Co2 monitor
  • 3 different led show current indoor air quality
  • Power via usb port or 120Vac wall plug (wall plug not included)

Mini desktop co2 monitor Indicator light alarm levels can be adjusted by user 3 different led show current indoor air quality Power via usb port or 120vac wall plug (wall plug not included)

4
9.5
SCORE
GZAIR Model 1S Indoor CO2 Meter, Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, NDIR Sensor, Date Logger, 0~5000ppm Range

GZAIR Model 1S Indoor CO2 Meter

Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, NDIR Sensor, Date Logger, 0~5000ppm Range

by GZAIR
What We like

Package include CO2 monitor, USB cable ,User GuideCharging plug. We provide 2 years free replacement ,return or full refund whichever you prefer.

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Product Features

  • 2 Detect mode Offers both human and plant models, Human mode alerts for high CO2, Plant mode alerts for low CO2, you can also customize the alarm range.
  • Accurate NDIR SENSOR USES spectroscopy to measure the absorption of infrared light in air samples with precision and rapid response.
  • Portable Built-in rechargeable battery can last for 10 hours on a full charge, and you can take it with you wherever you need it temporarily.
  • System LOG Visual system logs chart for up to a week, include CO2, temperature, humidity.

system log visual system logs chart for up to a week, include co2, temperature, humidity. 2 detect mode offers both human and plant models, human mode alerts for high co2, plant mode alerts for low co2, you can also customize the alarm range. portable built-in rechargeable battery can last for 10 hours on a full charge, and you can take it with you wherever you need it temporarily. accurate ndir sensor uses spectroscopy to measure the absorption of infrared light in air samples with precision and rapid response.

5
8.9
SCORE
IAQ MAX CO2 Monitor and Data Logger

CO2Meter IAQ MAX CO2 Monitor and Data Logger

by CO2Meter
What We like

Does not include power supply, USB only

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Product Features

  • Large LCD display to show CO2, Temp, %RH, and Baro
  • Built-in Data Logging Tables and Free Software for Analysis
  • Customer Configurable Settings for Date, Time, Temperature, Calibration,
  • 3-color code air quality indicator (poor/ok/good)

3-color code air quality indicator (poor/ok/good) Customer configurable settings for date, time, temperature, calibration, Built-in data logging tables and free software for analysis Large lcd display to show co2, temp, %rh, and baro

6
8.5
SCORE
Temtop P1000 Air Quality Monitor for PM2.5 PM10 CO2 Temperature Humidity Indoor Detector Large LCD Display Built-in Rechargeable Battery

Temtop P1000 Air Quality Monitor for PM2.5 PM10 CO2 Temperature Humidity Indoor Detector Large LCD Display Built-in Rechargeable Battery

by Elitech
What We like

Large display, best for home, office or various occasions, 3000 mAh battery works for 6 hours. 24/7 US Technician Support via Email and Phone.

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Product Features

  • CO2 measurement: range: 0-5000 ppm, resolution: 1 ppm
  • PM10 measurement: range: 0-999 ug/m, resolution: 0.1 ug/m
  • PM2.5 measurement: range: 0-999 ug/m, resolution: 0.1 ug/m
  • High-precision laser particle sensor and carbon dioxide sensor based on NDIR

High-precision laser particle sensor and carbon dioxide sensor based on ndir Co2 measurement: range: 0-5000 ppm, resolution: 1 ppm Pm10 measurement: range: 0-999 ug/m, resolution: 0.1 ug/m Pm2.5 measurement: range: 0-999 ug/m, resolution: 0.1 ug/m

7
8.3
SCORE
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 CO2 Detector 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

  • AUDIBLE CO2 SOUND- The alarm beeps when the CO2 Level exceeds the preset value. The alarm threshold is adjustable.
  • 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).
  • MULTIPLE MEASUREMENT DISPLAYS AT ONCE- CO2, Temperature, and Relative Humidity readings are all shown on the LCD display at the same time
  • 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

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 Audible co2 sound- the alarm beeps when the co2 level exceeds the preset value. the alarm threshold is adjustable. 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).

8
8.3
SCORE
Temtop M2000 Air Quality Monitor for PM2.5 PM10 Particles CO2 HCHO Temperature Humidity Settable Audio Alarm Recording Curve Easy Calibration Colorful Display

Temtop M2000 Air Quality Monitor for PM2.5 PM10 Particles CO2 HCHO Temperature Humidity Settable Audio Alarm Recording Curve Easy Calibration Colorful Display

by Elitech
What We like

Easy understanding user interface-Fahrenheit or Celsius reading supported!

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Product Features

  • Audio alarm, colorful TFT display, ergonomic design, built-in rechargeable large capacity battery
  • Multifunctional Air Quality Monitor device with high precise electrochemical formaldehyde sensor, laser particle sensor and carbon dioxide sensor based on NDIR
  • 24/7 US Technician Support via Email and Phone.
  • This detector can detect PM2.5 PM10 Particles CO2 HCHO Temperature and Humidity

Multifunctional air quality monitor device with high precise electrochemical formaldehyde sensor, laser particle sensor and carbon dioxide sensor based on ndir This detector can detect pm2.5 pm10 particles co2 hcho temperature and humidity 24/7 us technician support via email and phone. Audio alarm, colorful tft display, ergonomic design, built-in rechargeable large capacity battery

9
8.3
SCORE
Air Quality Monitor, CO2 Monitor Air Quality Tester for CO2 Temperature and Relative Humidity Carbon Dioxide Detector Air Gas Detector Real Time Data&Mean Value Recording for Various Occasion

KASIQIWA Air Quality Monitor

CO2 Monitor Air Quality Tester for CO2 Temperature and Relative Humidity Carbon Dioxide Detector Air Gas Detector Real Time Data&Mean Value Recording for Various Occasion

by KASIQIWA
What We like

Auxiliary function: clock and recording function.

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Product Features

  • 4.3-inch color LCD display: 320 x 240 pixels, 24-hour real-time monitoring, real-time display of CO2 (carbon dioxide), temperature and humidity.
  • Measurement objects: CO2, temperature, humidity.
  • Sensitive and Accurate: Equipped with an infrared sensor and a built-in fan that inhales the surrounding air for more accurate real-time results.
  • Rechargeable: large lithium battery with a capacity of 2000 mAh. 5V micro USB charging and low battery warning.

measurement objects: co2, temperature, humidity. 4.3-inch color lcd display: 320 x 240 pixels, 24-hour real-time monitoring, real-time display of co2 (carbon dioxide), temperature and humidity. sensitive and accurate: equipped with an infrared sensor and a built-in fan that inhales the surrounding air for more accurate real-time results. rechargeable: large lithium battery with a capacity of 2000 mah. 5v micro usb charging and low battery warning.

10
7.6
SCORE
Hydrofarm APCEM2 Autopilot Desktop CO2 Monitor & Data Logger, Data, White/Blue

Hydrofarm APCEM2 Autopilot Desktop CO2 Monitor & Data Logger

Data, White/Blue

by Hydrofarm
What We like

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

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Product Features

  • Audible alarm for low/high CO2 levels
  • 2-Channel Low Drift NDIR (non-dispersive infrared) Gas Sensor
  • Trend Chart: shows variable Min/Hr/Day/Wk for readings of CO2/RH/Temperature
  • CO2/RH/Temperature monitor on a clear display

Co2/rh/temperature monitor on a clear display Trend chart: shows variable min/hr/day/wk for readings of co2/rh/temperature Audible alarm for low/high co2 levels 2-channel low drift ndir (non-dispersive infrared) gas sensor

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We know that CO2 monitors are an important investment in workplace safety, but do you realize how many people live and work in enclosed spaces? In fact, studies show that indoor air pollution is now a leading cause of death. If you spend most of your time indoors like the average person or if you have asthma or allergies, then it's essential to get yourself a reliable CO2 monitor at home. Our list will help answer any questions about what size should I buy for my house (or office) and which models offer features such as alerts on high levels of carbon dioxide so they can be avoided before they become harmful. And don't forget to share this article with friends! Which model did we miss from our list?

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