Check out our product review of the best carbon dioxide meters. We tried 10 models and can tell you the absolute best varieties.
In Hurry? Checkout Our Top Pick Of Best Carbon Dioxide Meters.
Our Top Pick
9.7/10 our score
Best Carbon Dioxide Meters
| Rank | Product Name | Score |
|---|---|---|
|
1  |
Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 |
9. 7 |
|
2  |
CO2 Meter Indoor,Carbon Dioxide Detector Ppm for Home Formaldehyde(HCHO) TVOC Air Quality Monitor |
9. 5 |
|
3 |
INKBIRDPLUS Indoor Air Quality Monitor, CO2 Meter Pollution Detector, Temperature, and Relative Humidity |
9. 1 |
|
4 |
Upgraded Indoor CO2 Meter, Seesii Carbon Dioxide Detector with 2.8" Ultra-Clear LCD Display |
8. 8 |
|
5 |
Air Quality Monitor Indoor, CO2 Detector, 6-in-1 Air Pollution Carbon Dioxide Detector |
8. 6 |
|
6 |
3-in-1 Air Quality Monitor for CO2, USB Rechargeable CO2 Monitor with Ambient Temperature |
8. 2 |
|
7 |
CO2 Monitor Air Quality Monitor for Carbon Dioxide Humidity Temperature NDIR Sensor CO2 |
8. 0 |
|
8 |
Carbon Dioxide Monitor Wall Plug-in AC by Forensics | AB841 Compliant Alarms |
7 .7 |
|
9 |
INKBIRDPLUS Air Quality Monitor, AK3 Indoor CO2 Meter Pollution Detector Formaldehyde(HCHO), TVOC, Temperature |
7. 4 |
1. Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2
9.7/10 our score
- Stable ndir sensor for co2 detection
- Measuring range:co2: 0~9999ppm,(2001~9999 out of scale)
- Resolution : 1ppm,0.1c/f, 0.1%rh
- Triple displays of co2 level, temperature (c/f) and humidity
- Sound warning alarm for co2 high level risk
2. CO2 Meter Indoor,Carbon Dioxide Detector Ppm for Home Formaldehyde(HCHO) TVOC Air Quality Monitor
9.5/10 our score
- Easy to understand comes with an easy to understand english manual. just press the function button, you can easily start and operate the air monitor. you can clearly see all air quality test results on the color lcd screen. at the same time, you can set the standard value of formaldehyde. when hazardous substances exceed the standard, the corresponding area will flas...
- 100% satisfactory service the air detector has a 4.3-inch led screen. with ce certification, fcc certification and rosh certification. if you encounter any problems during purchase or use. please contact us, we have professional after-sales service personnel to solve your problem. if any problems are found after receiving the package, we will provide free replacement...
- High sensitivity sensor double platinum catalytic electrode, semiconductor tvoc sensor, used to detect formaldehyde (hcho), volatile organic compound (tvoc), pm 2.5, pm 10, co2, with an accuracy of 0.001 mg / m3. the high-performance chip can amplify the detection signal and use anti-jamming software algorithms to ensure the accuracy of the data.
- Portable carbon dioxide monitor can be used to check air quality or continuously monitor indoor air anytime and anywhere. help understand the air quality of houses, kitchens, bedrooms, offices, schools, cars, hotels, travel, camping, etc., especially in places with babies, children and pregnant women. built-in 2000 mah rechargeable battery, and equipped with usb cabl...
- Multifunction and science built-in infrared optical sensor and semiconductor sensor. the air quality monitor can accurately evaluate various air quality indicators, such as carbon dioxide (co2), formaldehyde concentration (hcho), volatile organic compounds (tvoc), and fine dust particles (pm2.5 / pm10) with a size less than 2.5 microns. this is very important for you...
3. INKBIRDPLUS Indoor Air Quality Monitor, CO2 Meter Pollution Detector, Temperature, and Relative Humidity
9.1/10 our score
- Usb rechargeable: a 2400 mah lithium battery is embedded inside the detector, we recommend using the device while charging. besides, it adopts a large and distinct lcd screen for easy data viewing. you can select or for temperature display based on your need.
- Wide application: a hanging hole is designed on the back of the detector so that you can hang it up to the wall for easy viewing. the co2 detector is ideal for use in homes, offices, grow tents, wine cellars, and cars.
- 3 color smart alarm: designed with 3 stages of co2 concentration normal stage (400-700 ppm), warning stage (700-1500 ppm), and dangerous stage (1500-5000 ppm). it will alarm you when the detected co2 concentration is beyond the safe value you customized.
- 3-in-1 multifunction air monitor: the air quality monitor can accurately detect the level of carbon dioxide(co2), temperature, and humidity. high precision internal sensors for a fast and accurate reading, are home or office indispensable equipment.
- Accurate results: adopted a high-precision infrared sensor and a built-in high-performance chip, which can accurately capture the weak current generated during the electrochemical reaction, to calculate the carbon dioxide measurement result. pressing three buttons simultaneously triggers the calibration function.
4. Upgraded Indoor CO2 Meter, Seesii Carbon Dioxide Detector with 2.8" Ultra-Clear LCD Display
8.8/10 our score
- Easy to use:this co2 monitor is easy to use with just pressing the functional button,automatic calibration is completed after 1-2 minutes, it can be operate normally,if the density is higher than standard value, the device will alarm. and the temperature unit can be switched to c/f according to your habits.
- Auto & real-time monitoring:this air quality monitor has a built-in upgraded fan, equipped with a variety of professional high-sensitivity sensorswhich can quickly inhale ambient air which can accurately and quickly detect the air quality of the surrounding environment.with 2.8-inch lcd backlight display,which directly and clearly displays each piece of air data.
- 2021 upgraded carbon dioxide detector:seesii indoor co2 detector with built-in the latest sensor and smart chip to accurately test the carbon dioxide(co2), temperature(in c/f),humidity and ppm range display, it has the function of air quality assessment, help you keep the indoor air fresh.
- Portable & rechargeable battery: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-in 1600 man rechargeable battery and packaged with one usb cable, the standby time ca...
- Warranty & what's you can get: the indoor air quality monitor made of abs material, good feeling, non-toxic, eco-friendly and durable to use. if you have any problem with the product,pls let us know. we will do our best to solve the problem for you.package included: 1xair quality tester, 1xusb cable, 1xuser manual.
5. Air Quality Monitor Indoor, CO2 Detector, 6-in-1 Air Pollution Carbon Dioxide Detector
8.6/10 our score
- 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.
- Easy operation & customer service: just one button operation to switch on/off, with a detailed instruction manual, in addition, if you have any questions about our products and services, please feel free to contact us any time, we are always committed to providing you with quality products and services!
- Know the air around you: the air quality tester has built-in advanced infrared (ndir) & laser scattering detection sensors designed to accurately track air quality including co2, pm2.5pm1.0 and pm10 (particulate matter), temperature and humidity. tips: please let the device work short mins outdoor before use for most accurate results.
- 10 hours+ long standby & auto alarm function: the built-in 2000 mah battery can provide more than 10 hours of standby time when fully charged, in addition to real-time power through the included usb charging cable, this enables long-term monitoring of air quality level. press the main function key twice quickly to turn on/off the automatic alarm function (an alarm wil...
- 2.8inch instant readout: professional sensors require a sampling time of only 1.5s, which can display the current air quality on the screen in real time. the co2 detector uses a 2.8in large size display, which can show the readings simply and intuitively (the reading of pm1/pm2.5/pm10 automatically switches every 5s).
6. 3-in-1 Air Quality Monitor for CO2, USB Rechargeable CO2 Monitor with Ambient Temperature
8.2/10 our score
- 3-in-1 air quality monitor datadetect co2, temperature and humidity. co2 measuring function, the high-precision thermometer and hygrometer can also be used to monitor indoor temperature and humidity in real time. it is an indispensable device at home or office.
- Usb rechargeablerechargeable lithium battery with a large capacity of 2400 mah, standby for 18 hours, it supports usb charging and battery indicator, which is a good solution for your testing needs in a different environment for a long time.
- Stylish appearance and various useexquisite appearance, simple design, light weight. it's easy to carry, it is suitable for living room, bedroom, baby room, meeting room, library, school, car, hotel, travel, camping, party and other various places, especially in which has baby,child and pregnant woman.
- 3 color status indicatorwith multiple alarm, there is 3-color light indicator and 3 facial comfort expressions(1500~5000 ppm with bad expressions, red light, 700-1500 ppm with normal expressions, yellow light, 0-700 ppm with good expressions, green light. you can intuitively understand the air quality you breathe.
- High accuracy co2 sensorbuilt in dart infrared sensors that can accurate detect air of carbon dioxide(co2). uses non-dispersive infrared technology (ndir), full temperature range correction, high measurement accuracy, fast response, resolution up to 1 ppm, measuring range up to 0 to 5000 ppm.
7. CO2 Monitor Air Quality Monitor for Carbon Dioxide Humidity Temperature NDIR Sensor CO2
8/10 our score
- Usage: control co2 level for grow room greenhouses, monitoring air quality in schools, office, home, factories, hospitals, etc. and anywhere that need to keep the fresh air
- Measuring range: co2: 0~9999ppm, humidity: 0.0 ~ 99.9%, temperature: -10.0 ~ 60.0 c (14 ~ 140 f)
- Built-in relay function: controls the ventilation system to automatically maintain the co2 level that you set or specify
- Power supply: 1a output 12v ac adaptor with 100v-240v power input and include power adaptor
- Built-in non-dispersive infrared (ndir) sensor: provides long-term & accurate continuous monitoring
8. Carbon Dioxide Monitor Wall Plug-in AC by Forensics | AB841 Compliant Alarms
7.7/10 our score
- Uses: for classrooms, gyms, restaurants, retail, workplaces, transport.
- Trust: ** 1 year limited warranty ** 100% quality guaranteed **
- Simple: a basic and accurate co2 monitor.
- Wall plug-in ac: direct to wall plug 110v ac
- Accurate: made using advanced ndir sensor technology to detect as low as 1ppm & 10 year life.
9. INKBIRDPLUS Air Quality Monitor, AK3 Indoor CO2 Meter Pollution Detector Formaldehyde(HCHO), TVOC, Temperature
7.4/10 our score
- Smart alarm: air quality can be divided into three levels, good, ok and poor, when the measured air level turns into ok, the indicator will turn yellow and the device will sound bee--bee twice to remind you and when the measured air level turns into poor, the indicator will turn red and the device will sound bee--bee--bee twice, you will see the color clearly with...
- Accurate results: adopted a high-precision infrared sensor and a built-in high-performance chip, which can accurately capture the weak current generated during the electrochemical reaction, to calculate the carbon dioxide measurement result.long press the switch button and release it after hearing two beeps to trigger the calibration function
- Real-time measurement: the air quality monitor can accurately detect the level of carbon dioxide(co2), volatile organic compound(tvoc), formaldehyde(hcho), temperature and humidity, updates the measured results per second on the colorful display.
- 1200mah built-in lithium battery: takes 2.5 hours to charge the battery, lasts 6 to 8 hours when it is fully charged, and can be connected to power during use.
- Wide application: the device is ideal to monitor air quality in cafeterias, restaurants, schools, offices, greenhouse, factories, hotels, hospitals, etc. note: air changes constantly, the measured results will be affected at the same time, please focus on long time measurements(over 60 minutes) to get a conclusion about the air quality of the overall environment.