10 Best
Carbon Dioxide Meters
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Product Highlights
- 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.
- 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.
- 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.
- 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.
- 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 c...
- 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.
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Product Highlights
- 📶📶【app real-time monitor】 inkbird app can view real-time data anytime, anywhere, and can export historical data to your mailbox, and you can also set the alarm value reminder function you need through the app.
- 🏡🏡【easy to use】 usb rechargeable, it is recommended to use while charging. support calibration, shut down and press three buttons at the same time to calibrate in an open environment.
- 💨💨【3-in-1 multifunction air monitor】the air quality monitor can accurately detect the level of carbon dioxide(co2), temperature, and humidity. uses non-dispersive infrared technology (ndir) are home or office indispensable equipment.note: please use the attached cable for charging.
- 🔊🔊【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.
- 💚💚【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.
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Product Highlights
- ✅indoor hygrometer - a large, colorful lcd digital screen that is easy for people to identify and read. it not only monitors the co2 content, but also tests temperature and humidity. as a perfect air quality monitor, it can keep your family healthy and is ideal for indoor places such as living rooms, classrooms, offices, and closed spaces.
- ✅easy to use & rechargeable - this mini co2 measurement tool is lightweight at 230g and features a large, colorful lcd display measuring 84 x 69mm, making it easy to glance at and understand the indoor air quality. it has a built-in 2000mah battery that can provide up to 12 hours of continuous use after a full charge. with its convenient size and rechargeable battery, y...
- Note: when comparing with other co2 meters, please bear in mind the differences (approximately ±50 ppm). after all, different co2 meters use different ndir sensors, so there may be discrepancies in their test results.
- Note: before using for the first time, please connect the power cable first, otherwise it cannot be powered on.✅digital co2 meter - featuring an industrial ndir co2 sensor, our air quality monitor accurately measures carbon dioxide levels from 0 to 10000 ppm with a ±5% accuracy, with a display resolution of 1ppm. it is widely used to track co2 levels in bedrooms, cars, ...
- ✅smart reminder - our portable co2 tester not only measures carbon dioxide concentrations, but also classifies the air quality into four levels: 0 to 999 ppm (good), 1000 to 1999 ppm (normal), 2000 to 4999 ppm (poor), and 5000 to 9999 ppm (serious). when the co2 ppm exceeds 2000ppm, this smart co2 detector will sound an alert with different sounds to notify you of the a...
- ✅multiple uses - an air quality monitor is a crucial tool for any household. it can help detect gas and air pollution in various environments such as homes, kitchens, bedrooms, offices, schools, cars, hotels, travel, camping, parties, etc. this monitor can always keep you and your family under healthy air conditions.
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Product Highlights
- Co2 concentration warning function: it alerts you when the carbon dioxide levels exceed safe limits, helping to ensure a healthier and safer environment.
- Additional temperature and humidity detection: in addition to carbon dioxide detection, it also features temperature and humidity detection capabilities, providing comprehensive environmental monitoring for industrial, agricultural, and household applications.
- High precision measurement chip: newentor carbon dioxide detector is equipped with an industry-leading high precision measurement chip, ensuring accurate and reliable co2 concentration readings.
- Rapid measurement and response: this co2 tester boasts a fast measurement and response time, allowing you to quickly monitor and take necessary actions to maintain optimal co2 levels.
- Versatile application: our co2 detectors can be used in a wide range of settings. in industrial settings, they help monitor co2 emissions and ensure compliance with safety regulations. in agriculture, they aid in greenhouse monitoring and optimizing plant growth by regulating co2 levels. additionally, they can be used in households to monitor indoor air quality and ensu...
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Product Highlights
- 🔔 [carbon dioxide concentration alerts]: the co2 concentration alert value can be customized to make our life, work or production environment safer.
- ⏰ [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.
- 🏕️ [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.
- 💧 [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.
- ⛺ [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.
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Product Highlights
- 【real-time monitoring and smart reminder】the air quality detector is responsive, the detected data is displayed on a screen, and then the system evaluates the risk level (good or ok or poor), and when the value exceeds the normal range, the buzzer sounds quickly. mute button: turn on or turn off the alarm sound. in silent mode, the mute symbol is not displayed and there...
- 【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 t...
- 【packing list and 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 satisfacto...
- 【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 f...
- 【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 ...
- 【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...
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Product Highlights
- Alarm system: the built-in high-precision infrared (ndir) sensor for the co2 meter requires only 1.5 seconds to take a sample and can display 24 hours of real-time air quality; you can set the alarm threshold in 100 ppm increments from 800-2000ppm for an alert whenever the co2 level exceeds the preset threshold
- Rechargeable battery: it has a rechargeable 2000mah lithium battery with a usb charging cable for easy charging and can remain on standby for 5-6 hours at the brightest screen setting when fully charged; calibrate the meter outdoors or in a well-ventilated place to ensure the accuracy of the co2 monitor before first use
- Multi-functional: the vivosun air quality monitor can accurately measure co2 (400-5000ppm), humidity (20%-85%), and temperature (14°f-122°f) indoors to help you monitor air quality in the home or elsewhere; the stylishly minimalist design adds an air of easy, elegant, beauty to your home’s living space
- Adjustable brightness & clear display: the led display screen is 5.9” (l) x 3.0” (w), making it large and clear enough to read at a glance; it features 3 brightness levels that can be manually adjusted up and down with changes in daylight
- Portable & multiple applications: this palm-sized air quality meter weighs just 0.35 lbs. and can be easily carried anywhere; it is very useful especially in spaces intended for children, the elderly, and pregnant women where it can detect air quality and help safeguard health in the sitting room, bedroom, grow tent, kitchen, car, hotel, while camping, at schools, hospi...
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Product Highlights
- [sensitive & fast responding sensors] adopts sensirion co2 and temperature & humidity sensors, professionally ensure the precision for detecting needs.
- [smart self-calibration] temtop combines our embedded algorithms and sensirion asc algorithm, allows the co2 sensor to dynamically shift its co2 reading by a constant, which helps your monitor to sustain a better performance under various scenarios.
- [portable co2 monitor] this air quality monitor measures 3 key air quality indexes: carbon dioxide, temperature and humidity. perfect for daily using.
- [easy to use] only use one single button to realize on/off. 3 color led light to indicate the air quality from healthy to unhealthy.
- [what you get] a temtop c10 air quality monitor, usb charging cable, reset pin, user manual. enjoy the convenience of temtop's 24/7 customer support, easily accessible via email and phone.
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Product Highlights
- 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.
- 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.
- 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.
- 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.
- 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 ...
- 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.
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