Top 10 Best CO2 Detectors
for June 2021

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1
9.9
SCORE
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 Gas Detector 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.

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.

2
9.7
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 (White)

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)

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.

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

3
9
SCORE
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/ Humidity Air Quality Monitor Meter

Wall Mountable CO2 Detector, RH Indoor Air Quality IAQ Sensor, 0~2000ppm Range

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

Temperature range: -10.0~60.0c (14~140f) /resolution: 0.1c/f / accuracy: 0.6c / 0.9f Humidity: range (0.0~99.9%) / resolution (0.1%) / accuracy {3% (10~90%) **5% (others)} With ce marking, passed the standards and had been approved by european directives for health & safety Co2 range: 0~2000ppm {2001~9999 (out of scale)} / accuracy 50ppm 5%rdg (0~2000) / resolution: 1ppm

4
9
SCORE
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

SEESII Indoor Air Quality Accurate Tester for CO2 Formaldehyde(HCHO) TVOC/AQI, Multifunctional Air Gas Detector Monitoring Real Time Data&Mean Value Recording

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.

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. 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. 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.

5
8.9
SCORE
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 Pollution Real Time Tester for PM2.5 HCHO TVOC Temperature Humidity

Colorful LCD Screen, Rechargeable Battery

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.

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.

6
8.8
SCORE
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 PPM Meters 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 .

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. Carbon dioxide detector adopt non-dispersive infrared (ndir) sensor, ensure reliability and long-term stability. 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 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 .

7
8.6
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

  • 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

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

8
8.6
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

  • 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

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

9
8.6
SCORE
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

3-In-1 Combo CO2 Moisture Meter Pollution Meter, Sensor, Tester; Detect & Test Indoor Pollution, Carbon Dioxide Detector Temperature and Humidity Indoor

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.

High-performance chip is accurate and more outstanding. Carbon dioxide 1s/time real-time refresh. using more professional infrared optical principles to accurately and quickly detect carbon dioxide. 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.

10
8.5
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

  • 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.

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. 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

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