Best Carbon Dioxide Meters

3.4k reviews scanned and analysysed
Matthew Richardson
Matthew Richardson Writer
Last Updated: Oct 22, 2024 Share On:

When you're trying to find the best carbon dioxide meter, you'll find it's a daunting job. With dozens of brands and hundreds of models that come with different types, you'll be lost amidst a sea of choices, so let our experts help you.

Our experts researched 427 related products, their brands include Weshlgd, Norpolifomor, and Amprobe, from which we selected 20 to compile into a list of the best carbon dioxide meter.

Read our article and you'll get clear and unbiased advice on which to buy.

A Quick Look: Our Top Picks

Top 1
Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter
9.9We rank the products based on a number of factors such as features, price, customer reviews and so on.

Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter

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Top 1 Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter

Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter

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Top 2
Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector
9.8We rank the products based on a number of factors such as features, price, customer reviews and so on.

Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector

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Top 2 Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector

Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector

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Top 3
Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester
9.7We rank the products based on a number of factors such as features, price, customer reviews and so on.

Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester

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Top 3 Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester

Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester

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*Note The result is based on our independent research, and we are reader-supported and do not promote any brand or retailer. As a member of Amazon Marketing Affiliates, we may receive a commission from qualified purchases.

Top 20 Carbon Dioxide Meters Reviews 2024 In Detail

1 Editor's Choice

Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter

LANGKOUBrand DM1308BModel 3.15H*1.38L*2.76W inchesDimension 0.0 lbWeight
Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter cover
Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter thumb #1Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter thumb #2Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter thumb #3Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter thumb #4Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter thumb #5Langkou DM1308B Co2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-In-1 Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature & Relative Humidity, Co2 Meter thumb #6
9.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
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Features
  • Indoor CO2 Monitor - Compact size Body with hollow back design for carring and airflow. Big colorful LCD digital screen for people easy to identify and read. Not only monitoring the CO2 content, also can test the temperature & humidity. Air quality monitor is Keeper of family health, Perfect for home interior, such as living room, baby room, classroom, office and which closed places etc.
  • Necessity of Air Quality Monitor - Carbon dioxide (CO2) is not harmful to human body when it is low, but when it overs a certain amount, it will affect the breathing of humans (and other organisms). If serious, life is threatening. Thus, we have to monitor the CO2 content of air for keeping health.
  • Advanced NDIR Technology - Mini CO2 meter uses high precision NDIR sensor technology to detect carbon dioxide content accurately and quickly. and it can hazard assessment, when CO2 of air exceed the setting alarm value(alarm value - 1000 PPM), it will warn to remind people to open the window or turn on air purifier for keeping balance of air.
  • Air Semiconductor Sensor - 4-in-1 air quality monitor adpots intelligent air semiconductor sensor to test the temperature and humidity value of air. Compare with the common sensor, it is more sensitive, accurately and stable.
  • Convenient for Carrying - CO2 Monitor built-in 1600mAh battery. It can be used continuously for about 8 hours after full charging.So don't worry, take the CO2 meter to anywhere you want go.
  • Easy to Use - Each turn on, CO2 detector need to automatic calibration, so please put the air quality detector in a ventilated place, after 1-2 minutes calibrating, CO2 tester can be used normally.
  • Various Use - A air quality monitor is indispensable for a family. Help for detecting gas and air pollution in homes, kitchens, bedrooms, offices, schools, cars, hotels, travel, camping, parties, etc., to always protect you and your family under healthy air conditions.
  • Note - Dear customer, compare with other CO2 meters, please allow the differece (about 50 ppm). After all, different CO2 meters adopt to different NDIR sensor, so their test result is exsit the difference. Thanks for your understanding.
2 Editor's Choice

Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector

NEWENTORBrand C1Model 3.54H*4.72L*0.74W inchesDimension 0.3 lbWeight
Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector cover
Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector thumb #1Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector thumb #2Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector thumb #3Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector thumb #4Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector thumb #5Newentor C1 Co2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector thumb #6
9.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
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Features
  • High-precision CO2 Sensor - - The CO2 detection adopts the most advanced sensor of Swiss Sensirion's unique PASens technology, and adopts the photoacoustic detection principle to perform accurate and reliable measurements in a wide range of concentration areas and applications.
  • Carbon Dioxide Concentration Alerts - - The CO2 concentration alert value can be customized to make our life, work or production environment safer.
  • Temperature and Humidity Monitor - - Temperature and humidity are closely related to human body, plants or storage environment. This air quality tester has the function of real-time monitoring of temperature and humidity.
  • Clock Calendar and Alarm Clock - - This indoor air quality meters can also be used as a daily clock and alarm clock, with multiple functions to make life more convenient.
  • Wide Range of Applications - - This CO2 sensor is widely used in agricultural planting, greenhouse vegetables, production warehouses, raw material processing, daily life, computer room, wine cellar, RVs, schools, cafes, etc.
3 Editor's Choice

Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester

GAIN EXPRESSBrand A017755Model 8.27H*2.76L*2.17W inchesDimension 0.44 lbWeight
Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester cover
Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester thumb #1Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester thumb #2Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester thumb #3Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester thumb #4Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester thumb #5Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester thumb #6Gain Express A017755 Co2 Meter Air Quality Monitor Handheld Co2 Monitor 0~9999Ppm Measurement Carbon Dioxide Temperature Humidity Detector Ndir Sensor Indoor Outdoor Air Quality Tester thumb #7
9.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
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Features
  • HIGH ACCURACY - CO2 Accuracy 0~2000ppm(50ppm or 5% of the reading); 2000~9999ppm(10% of the reading)
  • LARGE MEASURING RANGE - CO2 - 0~9999ppm ; Temperature - -10~60C(Accuracy 0.6C) ; Humidity - 0.1% ~ 99.9%RH(Accuracy 3%RH) ; Dew Point - -20.0~59.9C ; Wet Bulb - -5.0~59.9C
  • USER FRIENDLY - Portable Handle Design; Easily manual calibration on CO2 and humidity; Stable NDIR CO2 sensor
  • POWER SUPPLY - Dual power source battery (included) or 9V adaptor (NOTED - adaptor is not included in set); Power from battery is automatically cut off when 9V adaptor is in use
  • APPLICATION - IAQ monitoring and survey; especially on CO2 level and air ventilation become widely applied in public areas such as offices; classrooms; factories; hospitals and hotels
4

Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export

TEMTOPBrand M2000 2nd GenerationModel 7.64H*11.18L*5.35W inchesDimension 2.0 lbWeight
Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export cover
Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #1Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #2Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #3Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #4Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #5Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #6Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #7Temtop M2000 2ND GENERATION Air Quality Monitor Co2 Detector Professional Carbon Dioxide Pm2.5 Pm10 Formaldehyde Temperature And Humidity Monitor W/Audio Alarm Data Export thumb #8
9.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
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Features
  • 8-IN-1 MULTIFUNCTIONAL CO2 MONITOR. Adopts SenseAir NDIR carbon dioxide sensor, Dart HCHO sensor, and Temtop professional-grade particle sensor. Gather the world's top technology to provide you with comprehensive air pollution monitoring.
  • AUDIO ALARM AND COLORFUL AIR QUALITY LEVEL INDICATOR. Know the air at a glance, you can also set the alarm threshold according to your needs.
  • DATA EXPORT AND EASY CALIBRATION. Export full data via USB including CO2, PM2.5, PM10, HCHO, particles, temperature, and humidity. Built-in calibration program for CO2 and HCHO. The RAM supports more than 3 months of continuous data logging.
  • SUITABLE FOR BOTH INDOOR AND OUTDOOR. Adopts colorful TFT display with backlight, ergonomic design, and rechargeable large capacity battery, you can use it for home, office, lab, or carry it to travel.
  • WHAT YOU GET. M2000 air quality monitor, charging cable, carry case, user manual, Temtop 12-months warranty & 24/7 customer support access via email and phone.
5

Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector

KLEIN TOOLSBrand ET110Model 2.16H*7.74L*1.46W inchesDimension 0.32 lbWeight
Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector cover
Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #1Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #2Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #3Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #4Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #5Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #6Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #7Klein Tools ET110 Co Meter, Carbon Monoxide Tester And Detector thumb #8
9.4We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
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Features
  • ACCURATE CO GAS MEASUREMENT - Detect and measure carbon monoxide gas levels with precision using our easy-to-use CO meter
  • PORTABLE AND PROTECTIVE - Carry our CO detector anywhere for user safety, with a built-in short-term exposure limit (STEL) alarm
  • DUAL ALARM SYSTEM - Stay informed about CO levels with both low (35 ppm) and high (200 ppm) level alarms, ensuring prompt action
  • AUDIBLE AND VISUAL ALERTS - Receive immediate warnings through audible and visual alarms, providing increased safety and peace of mind
  • CLEAR DISPLAY - Backlit display shows CO measurements (0 to 1000 ppm) and temperature (Fahrenheit and Celsius) for easy reading
  • BATTERY SAVING FEATURE - Auto-power off after 20 minutes of inactivity helps conserve battery life, extending the device's usability
  • CONVENIENT PACKAGE - Includes a carrying pouch and 4xAAA batteries, making it easy to transport and operate the CO meter efficiently
6

Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter

LSENLTYBrand PTH-10CModel 1.18H*2.99L*2.75W inchesDimension 0.35 lbWeight
Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter cover
Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter thumb #1Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter thumb #2Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter thumb #3Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter thumb #4Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter thumb #5Lsenlty PTH-10C Portable Co2 Detector, 2S Refresh High Accuracy Carbon Dioxide Monitor, 3 In 1 Co2 Meter thumb #6
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
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Features
  • Portable Carbon Dioxide Detector - The product has a compact size (size - 7.6x7x3 cm) and is equipped with a strap design, suitable for hanging on the wall, car, or backpack. Suitable to use for camping, hanging on the wall in the living room or bedroom at home, or placed on the desktop in the office.
  • 3 in 1 Air Quality Monitor - LSENLTY 3 1 CO2 monitor not only has all the basic functions (CO2, temperature, and thermometer hygrometer monitor) but also smart functions such as remote monitoring, CO2 concentration, temperature, and humidity graph We support this. Our indoor CO2 detectors are reliable and easy to use in homes, greenhouses, etc.
  • High Accuracy & Fast Refresh Time - With a high-quality smart sensor, CO2 accuracy is 50PPM (CO2 detection range - 400-5000PPM) and temperature is up to 1.8 (temperature detection range - 14-122). correct. Humidity is 5%RH (humidity detection range - 0 to 95%RH). Always see the latest changes in CO2 concentration, temperature, and humidity with an update rate of up to 2 seconds.
  • CO2 Alarm Function - When it exceeds 1500ppm, the alarm will sound automatically, and you can also set different alarm ranges according to your needs. You will receive an alert as soon as CO2 exceeds a preset range. Understand the condition of bedrooms, baby rooms, wine cellars, basements, plant nurseries, and other areas.
  • CO2 Concentration Stage - This CO2 detector is designed with 3 stages of CO2 concentration - normal stage (400-700 ppm), warning stage (700-1500 ppm), and danger stage (1500-5000 ppm). LSENLTY CO2 detector provides you with a healthier life.
  • Large capacity rechargeable battery - Built-in 1000mAh lithium battery, can be fully charged within 3 hours and can be used for about 96 hours. If there is no operation for 5 minutes, it will automatically go into energy-saving mode but don't worry, the carbon dioxide detection function will continue. Suitable for travel, car, home, office, etc.
  • Notice - The product color ring step status display value is a fixed value, which is set by default according to international standards and cannot be changed.
7

Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector

SENCUBEAIRBrand air-05Model 3.9H*1.3L*3.9W inchesDimension
Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector cover
Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #1Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #2Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #3Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #4Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #5Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #6Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #7Sencubeair AIR-05 Portable Co2 Detector, High-Precision Ndir Sensor Meter, Indoor Co2 Monitor, Test Range 400-5000 Ppm, 24-Hour Runtime Li-Battery, Carbon Dioxide Detector thumb #8
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
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Features
  • Made by Eco-chain Factories of Top 500 Brands - Leveraging a mature and efficient brand supply chain, every step from raw material selection to final product delivery is strictly monitored.
  • Professional Certification - Certified through FCC/CE/ROHS/EMC and other professional certifications, meeting the high standards and strict requirements of the market.
  • High-Precision NDIR Probe - Using high precision NDIR sensor, it accurately measures carbon dioxide concentration, capturing any changes or fluctuations for precise data.
  • Visual Alarm System - Comfort expressions in combination with red, yellow, and green color-changing breathing lights enable you to effortlessly discern the current carbon dioxide concentration in the air.
  • USB Charging, 24h Runtime - Built-in rechargeable li-battery with up to 24h of runtime on a single charge, via USB, can also be used while charging.
8

Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit

CMTOOLBrand AQ-54Model 1.1H*14.65L*4.57W inchesDimension 0.44 lbWeight
Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit cover
Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit thumb #1Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit thumb #2Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit thumb #3Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit thumb #4Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit thumb #5Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit thumb #6Cmtool AQ-54 Air Quality Monitor Indoor Outdoor Home Air Quality Tester Analyzer Co2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit thumb #7
9.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
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Features
  • 1.5-in-1 Portable Air Quality Monitor - This indoor air quality monitor provides accurate results for many air quality measurements, including Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compounds(TVOC), Temperature and Humidity. The temperature unit of the home air quality tester supports conversion between Celsius and Fahrenheit, and there is a MAX button for viewing the maximum data in the current test record.
  • 2.120s Countdown & Real-Time Monitoring & Smart Reminder - The air quality detector is very sensitive, it will count down for 120s after turning on the meter, and the detected data will be clearly displayed on the LCD screen, and then the system evaluates the risk level (GOOD or OK or POOR) when the value exceeds the normal range, the buzzer will sound quickly. The alarm sound is on by default and can be turned on or off with the mute button.
  • 3.1000mAh Rechargeable Battery and Low Battery Reminder - The carbon dioxide detector have a built-in 1000mAh rechargeable lithium battery, with a USB cable. When the battery is fully charged, the formaldehyde detector can last for 6-7 hours. When the battery power is too low, the battery frame will flash to remind the user to charge, while charging, the characters in the battery frame will flash in sequence until the battery symbol is fully displayed when the battery is fully charged.
  • 4.High-Precision Sensor and Wide Range of Application - The indoor air quality monitor adopt an updated digital temperature and humidity sensor, and the high-precision sensor identifies and captures different pollutants in the mixed gas to ensure the accuracy of the measurement of various indicators. The air quality analyzer help monitor air quality and is widely used in the home, office, car, kitchen, bedroom, gym, hotel, camping, party and more.
  • 5.LCD Display and Support Backlight - The handheld air quality tester is made of ABS material, and the excellent performance of high-temperature resistance and impact resistance makes the air pressure meter have a long service life. The large display screen supports LCD backlight to make the operation more convenient and the displayed data clearer and easier to read. Short press the backlight button to turn off or enable the backlight function.
  • 6.Packing List and 2-Year Warranty - The air quality test kit include 1pc Air Quality Monitor, 1pc USB Cable and 1pc user manual. We provide a 24-month free warranty and 24 hours friendly customer service to ensure your shopping experience. If you have any questions about this indoor air quality testing kit, please feel free to contact us and we will provide you with a satisfactory solution as soon as possible.
  • 7.About the Manual - We have improved the content of the manual and explained in detail how to operate the air quality tester. Please check the manual in the "Product guides and documents" section of the product detail page.
9

Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter

TEMTOPBrand C1Model 4.09H*5.51L*1.26W inchesDimension 0.31 lbWeight
Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter cover
Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter thumb #1Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter thumb #2Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter thumb #3Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter thumb #4Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter thumb #5Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter thumb #6Temtop C1 Co2 Monitor Indoor Air Quality Monitor Portable Co2 Meter thumb #7
9.1We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
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Features
  • Multifunctional CO2 monitor - Real-time CO2 detect, humidity and temperature monitor. CO2 detection range - 400-5000PPM. Temperature detection range - -10-60C (14-140F). Humidity detection range - 0-99%RH.
  • Cost-effectiveness and 70 days standby - the latest Photoacoustic CO2-Sensor incorporates intelligent algorithm , offering dual detection modes and using up to 70 days ! It provides you with the most cost-effective CO2 detector.
  • Mini and Multi Application - Small and thin , easy to carry, also with a detachable stand and adsorptive back cover. You can check air quality anywhere and anytime.
  • Multiple alarm modes - the color coding and optional alarm, will sound the warning when the CO2 concentration exceeds the limit.
  • No Disturb for a Worry-Free Life - the sound alarm can be turned off, and without backlight, no noise and light disturbances, allowing you to easily fall asleep at night.
  • What's Included - Detector x 1, USB cable x 1, User manual x 1, Bracket or accessories set x 1.
  • Tip - For real-time monitoring, we recommend keeping the device plugged inch This will enable real-time monitoring mode, providing you with the most accurate and timely air quality data.
10

Weshlgd KH106 Carbon Monoxide Detector Plug In Wall, Weshlgd Portable Carbon Monoxide Detector For Travel, 3-In-1 Co Detector For Home And Travel Camping

WESHLGDBrand KH106Model 1.93H*4.69L*2.05W inchesDimension 0.22 lbWeight
Weshlgd KH106 Carbon Monoxide Detector Plug In Wall, Weshlgd Portable Carbon Monoxide Detector For Travel, 3-In-1 Co Detector For Home And Travel Camping cover
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Features
  • 3 In 1 Carbon Monoxide Detectors - Equipped with 3 major air indicators of Carbon Monoxide(0 to 1000PPM), Temperature(1 to 176 ), and Humidity(0% to 95%RH) to protect your family.
  • Accuracy & Durability - This Carbon Monoxide Detector use Imported Electrochemical Sensor, high reliability, more responsive, when the CO gas concentration reaches the alarm level(>150ppm), the Voice and SLight alarm will work.
  • Easy to Use - Plug and play, saving installation time.
  • Compact Design - Portable CO Gas Detector is small and light, can be carry to anywhere easily, Big color LCD display, The high-definition screen makes it easy to read even at night.
  • Protect Your Home - Carbon monoxide alarm are suitable for bedroom, kitchen, living room, bathroom, apartment, garage, office, restaurant, hotel, RV etc.
  • Worry-Free After Service - We are willing to provide you with unconditional returns and exchanges within 180 days. If you have any questions, please contact us by email, we will try our best to help you solve the problem.
11

Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter

NORPOLIFOMORBrand WP6932Model 3.34H*0.67L*1.96W inchesDimension 0.22 lbWeight
Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter cover
Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter thumb #1Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter thumb #2Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter thumb #3Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter thumb #4Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter thumb #5Norpolifomor WP6932 Indoor/Outdoor Co2 Carbon Dioxide Detector, 3-In-1 Portable Co2 Monitor,Temperature & Humidity, Co2 Meter thumb #6
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Features
  • Real_time Air Quality Meter - This air quality tester applies for indoor/outdoor environments which allows you to monitor CO2 levels, temperature, relative humidity in real-time.Note - Please allow the differece (about 50 ppm)among different CO2 detectors.
  • Necessity of Air Quality Monitor - Carbon dioxide (CO2) has no harm in low level as it coexists with our human being, but when it excesses a certain value, it will affect our breath system or other organs. It would be fatal if the concentration of carbon dioxide is too dense to breath. Thus, we ought to monitor the CO2 value of air wherever we are so that we all deserve a portable CO2 tester all the time.
  • Advanced NDIR Technology - Mini CO2 meter equips with high precisive NDIR sensor to detect carbon dioxide value accuratly and quickly. when the concentration of CO2 in the air exceed the setting alarm value(default alarm value - 1000 PPM), the buzzer will automatically alert people to keep the room or other confined space ventilated.
  • Portable Air Quality Detector - CO2 Monitor built-in 1200mAh rechargeable battery. It can be used continuously for about 24 hours after fullly charged. It'so lightweight and compact to bring anywhere conveniently .
  • Premium Carbon Dioxide Meter - Norpolifomor Premium air quality monitor always care for our breath and health indoor/outdoor. It enable detect air pollution at different scenarios,such as homes, kitchens, bedrooms, offices, schools, cars, hotels, travel, camping, etc.
12

Abiaopure AIR 08 Quality Monitor 3 In 1 Carbon Dioxide Detector Portable, Ndir Sensor, Co2 Monitor Rechargeable, 400-5000 Ppm Temperature(°F) And Humidity Meter

ABIAOPUREBrand Air 08Model 5.0H*1.0L*8.0W inchesDimension 0.49 lbWeight
Abiaopure AIR 08 Quality Monitor 3 In 1 Carbon Dioxide Detector Portable, Ndir Sensor, Co2 Monitor Rechargeable, 400-5000 Ppm Temperature(°F) And Humidity Meter cover
Abiaopure AIR 08 Quality Monitor 3 In 1 Carbon Dioxide Detector Portable, Ndir Sensor, Co2 Monitor Rechargeable, 400-5000 Ppm Temperature(°F) And Humidity Meter thumb #1Abiaopure AIR 08 Quality Monitor 3 In 1 Carbon Dioxide Detector Portable, Ndir Sensor, Co2 Monitor Rechargeable, 400-5000 Ppm Temperature(°F) And Humidity Meter thumb #2Abiaopure AIR 08 Quality Monitor 3 In 1 Carbon Dioxide Detector Portable, Ndir Sensor, Co2 Monitor Rechargeable, 400-5000 Ppm Temperature(°F) And Humidity Meter thumb #3Abiaopure AIR 08 Quality Monitor 3 In 1 Carbon Dioxide Detector Portable, Ndir Sensor, Co2 Monitor Rechargeable, 400-5000 Ppm Temperature(°F) And Humidity Meter thumb #4
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Features
  • This is a commendable air quality monitor. Its compact body can provide monitoring results of carbon dioxide concentration, temperature and humidity. You will have a clear understanding of the environment in which you live.
  • The detector monitors the carbon dioxide concentration at any time. Staying in a space with too high carbon dioxide will make you unable to concentrate and make you drowsy. Obviously, the content within 999PM is still acceptable. When it exceeds 1999PM, you need to pay extra attention. This is not a healthy value!
  • Convenient Calibration - The carbon dioxide monitor is plug and play, with a built-in accurate air quality infrared (NDIR) sensor, it only takes 30 seconds of initialization after touching the switch to get stable and accurate data. Meanwhile, you can connect any 5V adapter to support charging while working.
  • Rechargeable Battery Power - Our indoor air quality detectors comes with usb cable and built-in 2500mAh Li-ion battery with up to 24 hours of battery life, supporting long time continuous use.The large and clear LED display is designed to increase the brightness of the displayed data, so that even the elderly can see it clearly.
  • Wide Application - This portable CO2 meter is compact and easy to carry, it can be used in grow rooms, offices, kitchens, schools, kitchens, bedrooms, cellars and cars. If you have any quality problems, please contact us in time, we will provide you with satisfactory service.
13

Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter

LANGKOUBrand LC-1308Model 2.75H*3.15L*1.4W inchesDimension
Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter cover
Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #1Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #2Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #3Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #4Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #5Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #6Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #7Langkou LC-1308 Co2 Carbon Dioxide Detector, 4-In-1 Indoor Air Quality Monitor Portable Co2 Monitor, Tester For Carbon Dioxide, Temperature And Relative Humidity, Co2 Meter thumb #8
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Features
  • Indoor CO2 Monitor - Compact size Body with hollow back design for carring and airflow. Big colorful LCD digital screen for people easy to identify and read. Not only monitoring the CO2 content, also can test the temperature & humidity. Air quality monitor is Keeper of family health, Perfect for home interior, such as living room, baby room, classroom, office and which closed places etc.
  • Necessity of Air Quality Monitor - Carbon dioxide (CO2) is not harmful to human body when it is low, but when it overs a certain amount, it will affect the breathing of humans (and other organisms). If serious, life is threatening. Thus, we have to monitor the CO2 content of air for keeping health.
  • Advanced NDIR Technology - Mini CO2 meter uses high precision NDIR sensor technology to detect carbon dioxide content accurately and quickly. and it can hazard assessment, when CO2 of air exceed the setting alarm value(alarm value - 1000 PPM), it will warn to remind people to open the window or turn on air purifier for keeping balance of air.
  • Air Semiconductor Sensor - 5-in-1 air quality monitor adpots intelligent air semiconductor sensor to test the temperature and humidity value of air. Compare with the common sensor, it is more sensitive, accurately and stable.
  • Convenient for Carrying - CO2 Monitor built-in 1600mAh battery. It can be used continuously for about 8 hours after full charging.So don't worry, take the CO2 meter to anywhere you want go.
  • Easy to Use - Each turn on, CO2 detector need to automatic calibration, so please put the air quality detector in a ventilated place, after 1-2 minutes calibrating, CO2 tester can be used normally.
  • Various Use - A air quality monitor is indispensable for a family. Help for detecting gas and air pollution in homes, kitchens, bedrooms, offices, schools, cars, hotels, travel, camping, parties, etc., to always protect you and your family under healthy air conditions.
  • Note - Dear customer, compare with other CO2 meters, please allow the differece (about 50 ppm). After all, different CO2 meters adopt to different NDIR sensor, so their test result is exsit the difference. Thanks for your understanding.
14

Extech CO240 Handheld Indoor Air Quality And Carbon Dioxide Meter

EXTECHBrand CO240Model 6.1H*3.4L*3.2W inchesDimension 0.44 lbWeight
Extech CO240 Handheld Indoor Air Quality And Carbon Dioxide Meter cover
Extech CO240 Handheld Indoor Air Quality And Carbon Dioxide Meter thumb #1
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Features
  • Dual display of Carbon Dioxide (CO2) concentrations and Relative Humidity, Temperature, Dew Point, or Wet Bulb
  • Maintenance free NDIR (non-dispersive infrared) CO2 sensor
  • Audible CO2 warning alarm when concentration level exceeds high user set point
  • Min/Max CO2 value recall function
  • Data Hold, Auto Power Off (with disable), Low battery indicator
15

Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor

LUNARLIPESBrand PTH-10EModel 2.75H*2.99L*1.18W inchesDimension 0.24 lbWeight
Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor cover
Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor thumb #1Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor thumb #2Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor thumb #3Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor thumb #4Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor thumb #5Lunarlipes PTH-10E Portable 4-In-1 Carbon Monoxide Detectors, Mini Carbon Monoxide And Carbon Dioxide Monitor thumb #6
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Features
  • HIGH-PRECISION 4-IN-1 CO DETECTOR - The portable 4-in-1 carbon monoxide detector can monitor the current CO, CO2, temperature and humidity in the air in real time. Equipped with a high-precision sensor (10-year life), the detectable CO concentration range is 0~1000PPM (10%), the CO2 concentration range is 400~5000PPM (50PPM + 5%) - , and the temperature range is 14~122 (2.7) / -10~50 (1.5), humidity range is 0~95%RH (5%RH). The data is accurate without delay and monitored in real time.
  • CO LIGHT INDICATION & CUSTOMIZED ALARM VALUE - The carbon monoxide monitor can present 3-stage light indication based on CO concentration. 0~99PPM (green flashing=safe), 100~149PPM (yellow flashing=warning), 150~1000PPM (red flashing=danger). By default, the CO monitor will sound an alarm when it reaches 150PPM. You can double-click the "function button" to customize the CO concentration alarm threshold. Note - The device must be in the "CO" interface before entering CO custom settings.
  • CO2 LIGHT INDICATION & CUSTOMIZED ALARM VALUE - The carbon dioxide monitor can present a 3-stage light indication according to the CO2 concentration. 400~699PPM (green flashing=safe), 700~1499PPM (yellow flashing=warning), 1500~5000PPM (red flashing=danger). By default, the audio alarm sounds when it reaches 1500PPM. You can double-click the "Function Button" to customize the CO2 concentration alarm threshold. Note - The device must be in the "CO" interface before entering the CO2 custom setting.
  • LARGE CAPACITY BATTERY & FAST CHARGING - The MINI 4-in-1 CO detector has a built-in 1000mAh lithium battery for long-lasting power. Support QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP SDP) and other common fast charging protocols 10~65W charging. When the CO detector is not operated for 5 minutes, it will automatically turn on the energy saving mode (the brightness of the screen will be reduced), and you can click the "function button" to turn on the backlight.
  • OUTDOOR LANYARD & MAGNETIC SUCTION - The bottom of the CO CO2 air quality monitor can be placed freely, you can put it on the table in the living room, kitchen, bedroom, etc. And it is equipped with a special outdoor lanyard, which is convenient for you to carry and use in outdoor activities such as travel, camping, picnic, and adventure. There is also a magnetic function on the back of the CO CO2 monitor, which can be attached to any metal area such as home appliances or cars.
  • SHOP WITH CONFIDENCE - Your satisfaction is our top priority. We provide 3 years service and lifetime technical support for CO CO2 detector portable. If you encounter any problems, just contact us through Amazon Customer Service or Q&A and we will reply within 12 hours. risk-free shopping. Customer satisfaction is our tireless pursuit.
16

Forensics Detectors Fd Carbon Dioxide Monitor Wall Plug-In Ac By Forensics | Ab841 Compliant Alarms For Classrooms | Ac Power Direct To Wall | 10 Year Life | Co2 Meter

FORENSICS DETECTORS FDBrand 0.37 lbWeight
Forensics Detectors Fd Carbon Dioxide Monitor Wall Plug-In Ac By Forensics | Ab841 Compliant Alarms For Classrooms | Ac Power Direct To Wall | 10 Year Life | Co2 Meter cover
Forensics Detectors Fd Carbon Dioxide Monitor Wall Plug-In Ac By Forensics | Ab841 Compliant Alarms For Classrooms | Ac Power Direct To Wall | 10 Year Life | Co2 Meter thumb #1Forensics Detectors Fd Carbon Dioxide Monitor Wall Plug-In Ac By Forensics | Ab841 Compliant Alarms For Classrooms | Ac Power Direct To Wall | 10 Year Life | Co2 Meter thumb #2Forensics Detectors Fd Carbon Dioxide Monitor Wall Plug-In Ac By Forensics | Ab841 Compliant Alarms For Classrooms | Ac Power Direct To Wall | 10 Year Life | Co2 Meter thumb #3Forensics Detectors Fd Carbon Dioxide Monitor Wall Plug-In Ac By Forensics | Ab841 Compliant Alarms For Classrooms | Ac Power Direct To Wall | 10 Year Life | Co2 Meter thumb #4
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Features
  • Wall Plug-in AC - Direct to Wall plug 110V AC
  • USES - For classrooms, gyms, restaurants, retail, workplaces, transport.
  • ACCURATE - Made using advanced NDIR sensor technology to detect as low as 1ppm & 10 year life.
  • Simple - A basic and accurate CO2 monitor.
  • TRUST - ** 1 year limited warranty ** 100% quality guaranteed **
17

Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh

NEOTECKBrand STA-NTK235Model 1.85H*3.15L*0.79W inchesDimension 0.08 lbWeight
Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh cover
Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #1Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #2Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #3Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #4Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #5Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #6Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #7Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #8Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #9Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #10Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #11Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #12Neoteck STA-NTK235 Portable 2 In 1 Co2 Detector 700Mah Rechargeable Carbon Dioxide Meter Detects Co2 And Tvoc 1S Refresh thumb #13
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Features
  • 2 in 1 CO2 Detector - Neoteck 2 in 1 CO2 meter can monitor the concentration of carbon dioxide and TVOC in the air in real-time. Equipped with a high-precision sensor, the data is updated every 1 second, and the CO2 and TVOC values automatically switch every 5 seconds. The detectable CO2 range is 0~5000PPM and the accuracy is 50ppm, providing you with more reliable and accurate data to protect your health, comfort, and that of your family
  • Visual & Audible Alarms - Portable CO2 monitor intuitively indicates the current environmental status through the flashing of color blocks and buzzer alarmalarm sound can be turned off, reminding you to improve ventilation in time. Green is good, yellow is slight, orange is moderate and red is serious. When the detected concentrations of carbon dioxide and TVOC reach a certain level, the buzzer will sound an alarm
  • Adjustable Brightness and Sound - Neoteck carbon dioxide alarm also features brightness and sound adjustment functions. You can choose from 3 screen brightness levels - dark, moderate or brightest according to your needs, ensuring you can see the display clearly in any lighting condition. Additionally, you can choose to enable or disable the sound. When the sound is turned off, all alarm sounds will also be turned off, allowing you to use it in a quiet environment without disturbing others
  • 10 Hours Battery Life - Carbon dioxide meter built-in 700mAh rechargeable battery, takes only 3 to 4 hours to fully charge. With 6-7 times of use per day, the battery lasts for over 20 days, so you don't need to recharge it as frequently. Additionally, the CO2 detector is designed with an auto-off function, which automatically shuts off after 5 minutes without operation, helping to save energy and prolong the battery life
  • Compact and Portable - Mini CO2 detector features a compact portable design, with dimensions of only 80mm*47mm*20mm, and it also comes equipped with a special lanyard for easy carrying or hanging. Whether during outdoor activities like camping and exploring, or in confined spaces such as homes, hotels, and cars, you can monitor CO2 and TVOC concentrations at all times to ensure your safety and health
18

Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function

DANOPLUSBrand KB0297Model 1.96H*6.1L*4.1W inchesDimension 0.8 lbWeight
Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function cover
Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #1Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #2Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #3Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #4Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #5Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #6Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #7Danoplus KB0297 Co2 Controller Carbon Dioxide Controller Co2 Meter Monitor Day And Night Relay Function thumb #8
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Features
  • CO2 Controller - This CO2 Controller is equipped with wide LCD screen, 0-5000 ppm measuing range, it's able to record trend chart of CO2 levels per minute/hour/day/week for analysis
  • Plant Mode&Human Mode - The Carbon Dioxide Controller is designed with Plant Mode and Human Mode, can mannually control the CO2 level for CO2 generator in Grow room, or control the ventilation system indoor
  • Auible Alarm - This CO2 Controller will alarm via buzzer when the CO2 level exceed the setting threshold, and you may manually adjust the CO2 ppm threshold accoringly
  • AUTO Day&Night Detection - CO2 Controllers has auto day and night detection, it will automatically turn off CO2 generator/regulator by turning off the output power during the night
  • Multi-Functional - Wall mounted CO2 Monitor & Controller comes with piggyback socket, Altitude Adjustable from 50 to 500 meters, 14.8 feet (4.5 m) Cable for CO2 sensor
19

Amprobe 3475094 Co2-100 Handheld Carbon Dioxide Meter

AMPROBEBrand 3475094Model 7.6H*15.7L*10.9W inchesDimension 0.4 lbWeight
Amprobe 3475094 Co2-100 Handheld Carbon Dioxide Meter cover
Amprobe 3475094 Co2-100 Handheld Carbon Dioxide Meter thumb #1Amprobe 3475094 Co2-100 Handheld Carbon Dioxide Meter thumb #2Amprobe 3475094 Co2-100 Handheld Carbon Dioxide Meter thumb #3
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Features
  • 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
20

Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter

TEKCOPLUSBrand COTK-57Model 8.66H*13.78L*2.76W inchesDimension 0.44 lbWeight
Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter cover
Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #1Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #2Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #3Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #4Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #5Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #6Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #7Tekcoplus COTK-57 Co2 Meter Portable Co2 Detector Digital Co2 Monitor With Alarm Function Carbon Dioxide Temperature And Humidity Meter thumb #8
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Features
  • HIGH PRECISION - The CO2 Detector is euipped with high accurate sensative chip, the accuracy of CO2 level is - 0-2000ppm(-50ppm/+50ppm or -5%/+5% of the reading); 2000-9999ppm(-10%/+10% of the reading); Humidity - 0.1%- 99.9%RH(Accuracy -3%/+3%RH)
  • Large Measurement - This CO2 Meter is designed with accurate and large measuring range, CO2 - 0~9999ppm; Temperature - 14F-140F(-10C/+60C); Humidity - 0.1% - 99.9%RH; Dew Point - -20.0C-59.9C; Wet Bulb - -5.0C-59.9C
  • AUDIBLE AND VISUAL ALARMS - The CO2 Detector will alarm when CO2 level exceed your desired threshold, enabling you to take immediate action to improve air quality
  • Large LCD SCREEN - CO2 Meter has large LCD display and equipped with backlight function, it can display real-time CO2 level, temperature, and humidity readings at the same time
  • WIDE APPLICATION - The CO2 meter provides precise readings of carbon dioxide levels up to 9999ppm, helping you understand the air quality in your surroundings, IAQ monitoring and survey, especially on CO2 level and air ventilation become widely applied in public areas such as offices, classrooms, factories, hospitals, and hotels

Best Carbon Dioxide Meters Of 2024 Rating

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FAQ & Notes

Matthew Richardson Written By Matthew Richardson

During our research, we found more than 427 related products, with prices ranging from $14.99 to $470.1, and most customers would pay around $101 for this type of product.

What are the top brands of Carbon Dioxide Meters?

There are 18 brands available for Carbon Dioxide Meters, such as Abiaopure, Weshlgd, Gain Express, Langkou, Lsenlty, Forensics Detectors Fd, Extech, Lunarlipes, Neoteck, Temtop, Sencubeair, Tekcoplus, Klein Tools, Danoplus, Newentor, Norpolifomor, Cmtool, Amprobe.

What are the available sellers for Carbon Dioxide Meters?

There are 16 sellers available for Carbon Dioxide Meters, including Neoteck US ( 4.87 / 5 ), Tekcoplus ( 4.85 / 5 ), CMTOOL ( 4.87 / 5 ), KIBELAND ( 4.87 / 5 ), ADHASH ( 4.88 / 5 ), LSENLTY US ( 4.92 / 5 ), gelvshidianzi ( 4.96 / 5 ), Amazon.com ( 4.68 / 5 ), GEALDEN ( 4.88 / 5 ), FANGENG ( 4.89 / 5 ), Elitech Technology Inc. ( 4.84 / 5 ), Norpolifomor ( 4.95 / 5 ), Mori Cube, yisheng888 ( 4.86 / 5 ), Gain Express ( 4.86 / 5 ), Forensics ( 4.85 / 5 ).

Price comparison of the top 10 Carbon Dioxide Meters

*Note: Prices based on historical data.

Price comparison of the top 10 Carbon Dioxide Meters highly recommended

*Note: Prices based on historical data.

The Verdict

After thorough consideration, we have selected the product LANGKOU DM1308B as your preferred option.

As an alternative, we have also compiled a list based on user reviews, and the product TEKCOPLUS COTK-57 is also worthy of your purchase.