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CO2 Sensor Product List and Ranking from 35 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

CO2 Sensor Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

  1. ハーモニィ Aichi//Service Industry
  2. null/null
  3. センシリオン Kanagawa//Electronic Components and Semiconductors
  4. 4 ミカサ商事　MIKASA SHOJI CO., LTD. Osaka//Trading company/Wholesale
  5. 5 サニー・トレーディング Kanagawa//Machine elements and parts
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CO2 Sensor Product ranking

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

  1. "MORITO" for heatstroke and ventilation measures in factories and warehouses. ハーモニィ
  2. High-speed wireless CO2 sensor "Canary+" ミカサ商事　MIKASA SHOJI CO., LTD.
  3. CO2 sensor "STC31-C" センシリオン
  4. AQUAMS Dissolved Carbon Dioxide Meter CO2 Sensor サニー・トレーディング
  5. 4 Carbo5100 Beverage CO2 Sensor

CO2 Sensor Product List

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Technical Data: Vaisala CARBOCAP® CO2 Sensor

Technical Data: Vaisala CARBOCAP® CO2 Sensor

Outstanding stability achieved through constant correction by measuring the reference.

The Vaisala CARBOCAP® carbon dioxide (CO2) sensor, released in 1997, employs innovative technology. It features a silicon-based variable filter using Fabry-Perot interference (FPI) in a single-source dual-wavelength comparison infrared non-dispersive method. Boasting high reliability and stability, this sensor has been providing accurate CO2 measurements across a wide range of fields and applications, from building automation and safety to life sciences and environmental research, for over 15 years.

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Railway CO2 Sensor EE8915

Railway CO2 Sensor EE8915

★Railway standard compliant★ 【No calibration needed for CO2 sensor for 5 years】 Achieves the highest CO2 measurement accuracy regardless of temperature, altitude, or weather conditions.

● Calibration at multiple temperature points enables accurate measurements across the entire temperature range. ● The detection principle recommended by the Ministry of Economy, Trade and Industry is an optical sensor. ● Pressure and temperature compensation function. ● Available in wall-mounted and duct-insert types. ■ The EE8915 can reliably measure CO2 concentration under harsh conditions and complies with relevant railway standards. ■ Railway Standards EN50155:2017 - Electronic equipment used in railway vehicles EN50121-1:2017 - Electromagnetic compatibility - General EN50121-3-2:2016 - Electromagnetic compatibility - Railway vehicles EN61373:2010 - Equipment for railway vehicles - Shock and vibration testing EN50125-1 - Environmental conditions for equipment - Equipment on railway vehicles EN45545-2 - Fire behavior requirements for materials used in railway vehicles EN50306 - Cables for railway vehicles with special fire resistance performance

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CO2 sensor "COZIR-Blink"

CO2 sensor "COZIR-Blink"

Can be used in dry batteries and battery-powered wireless modules! Ultra-low power consumption CO2 sensor.

The "COZIR-Blink" is a CO2 sensor with configurable measurement cycles and automatic calibration periods. Due to its very short startup time, it is possible to turn off the power immediately after the sensor has taken a measurement. As a result, the power consumption becomes zero outside of the user-defined measurement cycle, making it suitable for applications that require lower power consumption. 【Features】 ■ High-precision NDIR CO2 sensor ■ Digital output via UART and I2C ■ Time required for the first measurement < 3.5 seconds ■ Long lifespan of over 15 years * For more details, please refer to the PDF document or feel free to contact us. * An English version of the catalog is available for download.

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  • Ventilation and Exhaust

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CO2 sensor

CO2 sensor

Inline continuous concentration measurement, NDIR sensor

- Supports from 100% to ppm order - Continuous measurement possible 24 hours a day, 365 days a year - Compatible with analog and RS485 output - Compact and usable for both embedded applications and experiments

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CO2 sensor (carbon dioxide concentration measuring device)

CO2 sensor (carbon dioxide concentration measuring device)

A compact CO2 sensor that displays carbon dioxide (CO2) concentration in real-time. It visualizes indoor carbon dioxide levels at one-second intervals.

When the indoor CO2 concentration reaches 10,000 ppm, cognitive ability and concentration decrease. As CO2 levels rise, symptoms such as fatigue, drowsiness, humidity, and indoor air quality issues occur. The indoor carbon dioxide concentration is visualized at one-second intervals, making it easy to see when ventilation is needed.

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New coronavirus countermeasure ventilation CO2 sensor <Domestic manufacturer, made in Japan standards>

New coronavirus countermeasure ventilation CO2 sensor <Domestic manufacturer, made in Japan standards>

Equipped with NDIR sensors that comply with the Ministry of Economy, Trade and Industry guidelines, simply place the ventilation timing on the table; numerous domestic implementation case studies available.

In Japan, there are standards for CO2 concentration in living spaces, and from the perspective of legal compliance and adherence to regulations, it is necessary to adjust the indoor CO2 concentration to not exceed 1000 ppm. From the COVID-19 Countermeasures Promotion Office (Cabinet Secretariat) "Points for Preventing COVID-19 Infection, etc." *Excerpt* [If possible in restaurants and other establishments, install CO2 sensors to monitor carbon dioxide concentration and maintain it below 1000 ppm through appropriate ventilation] is measurable. The first CO2 measuring device in Japan is the "CO2 Sensor/Controller/Monitor." The "CO2 Sensor/Controller" measures the indoor CO2 concentration to ensure a comfortable and energy-efficient living space and notifies you of the CO2 levels. In recent years, the health risks posed by indoor CO2 concentration in highly airtight buildings have become a growing concern.

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How to Select CO2 Sensors to Avoid Failure <Domestic Manufacturers, Japanese Standards>

How to Select CO2 Sensors to Avoid Failure <Domestic Manufacturers, Japanese Standards>

Equipped with NDIR sensors that comply with the Ministry of Economy, Trade and Industry guidelines; simply place the ventilation timing on the table; numerous domestic implementation case studies.

Please download and refer to the document "Selecting CO2 Sensor Models to Avoid Failure" for reference materials. ■ Below is an introduction to the NDIR sensor-equipped "C.H.C Marvel 001." In Japan, there are standards for CO2 concentration in living spaces, and from the perspective of legal compliance and regulations, it is necessary to adjust indoor CO2 levels to not exceed 1000ppm. From the COVID-19 Countermeasures Promotion Office (Cabinet Secretariat): "Points for Preventing COVID-19 Infection" *Excerpt [If possible in restaurants, install CO2 sensors to monitor carbon dioxide concentration and maintain it below 1000ppm through appropriate ventilation.] The first CO2 measuring device in Japan is the "CO2 Sensor/Controller/Monitor." The "CO2 Sensor/Controller" measures indoor CO2 levels and notifies you of CO2 levels to ensure a comfortable and energy-efficient living space. In recent years, the health risks posed by indoor CO2 concentrations in highly airtight buildings have become a growing concern.

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3密の見える化を記録　CO2センサーを遠隔監視　マーベルIOT

3密の見える化を記録　CO2センサーを遠隔監視　マーベルIOT

大規模施設で導入されている中央監視システム同等のサービスが、中小規模施設等に安価かつ簡単に導入できます。

CO2モニター遠く離れた施設内のCO2濃度や温湿度などの室内環境を遠隔モニタリング。 『マーベルIoT』は、スマートフォンやPCなどを通じて 施設の室内環境（CO2濃度・オゾン濃度・ニオイレベル・温度・湿度）の 遠隔監視や、換気機器等の設備機器の遠隔制御が可能なクラウドサービスです 3密の見える化を【記録】する事は重要な事です。

  • Ventilation and Exhaust

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High-precision CO2 sensor that also displays temperature and humidity - solving problems through ventilation visualization.

High-precision CO2 sensor that also displays temperature and humidity - solving problems through ventilation visualization.

By measuring the carbon dioxide concentration in the space, you can determine the appropriate frequency and duration of ventilation. It has a built-in high-precision CO2 sensor and covers an area of 100 square meters with one unit.

To avoid overcrowding in confined spaces, we will limit the number of people, ensure regular ventilation, and accurately measure indoor CO2 (exhalation) levels. <Features> ■ High-precision measurement from 0°C to 50°C and 0ppm to 10,000ppm A genuine product from a CO2 sensor manufacturer ■ CO2 levels displayed in three stages via LED ■ Connects to Windows (PC) for data storage and CO2 alarm setting adjustments. ■ Gold-plated CO2 sensor provides long-term measurement stability. ■ Options for automatic and manual calibration modes ensure stable measurements. ■ Covers up to 100m² per unit, making it suitable for large conference rooms with just one unit.

  • Company：TSP
  • Price：10,000 yen-100,000 yen
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CO2 sensor that monitors 100 m² with one unit, ideal for conference rooms and similar spaces.

CO2 sensor that monitors 100 m² with one unit, ideal for conference rooms and similar spaces.

Equipped with a high-precision CO2 sensor, it covers an area of 100 square meters with just one unit. It is ideal for large spaces where people gather, such as conference rooms and gyms.

To avoid crowded spaces, we implement a limit on the number of people, regular ventilation, and proper indoor CO2 (exhalation) measurement. We will notify you of ventilation timing through light and sound. This is a popular product with over 2000 units sold domestically. <Features> ■ High-precision measurement from 0℃ to 50℃ and 0ppm to 10000ppm A genuine product from a CO2 sensor manufacturer. ■ CO2 status displayed in three levels using LED Normal (green) - below 1000ppm High (yellow) - 1000 to 1400ppm Abnormal (red) - above 1400ppm ■ Can be connected to Windows (PC) for data storage and CO2 alarm setting changes. ■ The gold-plated CO2 sensor provides long-term measurement stability. ■ Options for automatic correction mode and manual correction mode ensure stable measurements. ■ Covers 100m² per unit, making it possible to cover large conference rooms with just one unit.

  • Company：TSP
  • Price：Other
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三密対策に！1台で100平米をモニターする高精度CO2センサー

三密対策に！1台で100平米をモニターする高精度CO2センサー

1台で100平米をモニターするCO2センサーです。会議室やジム等、人が集まる場所の三密対策に。音と光で換気を促します。

密室空間を避けるための人数制限、定期的な換気、適正な室内のCO2（呼気）数値化します。　光と音で換気のタイミングをお知らせします。 国内で2000台以上の実績がある、人気製品です。 ＜特徴＞ ■０℃～５0℃で　0ppm～10000ppmの高精度測定　 　CO2センサーメーカーの本格製品 ■ LEDにてCO2状況を3段階で表示　 　通常（緑）　1000ppm未満 　高い（黄）　1000～1400ppm 　異常（赤）　1400ppm以上 ■ Windows(PC用)　に接続し、測定データの保存、CO2アラーム設定変更が可能。 ■ 金メッキされたCO2センサーが長時間の測定安定性を提供します。　 ■ 自動補正モード、手動補正モードの選択が可能で、安定測定を保証します。 ■100m2／台でカバーでき、大きい会議室なども1台でこれ1台でカバー可能。

  • Company：TSP
  • Price：Other
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High-precision CO2 sensor "eAir" that visualizes "secrecy"

High-precision CO2 sensor "eAir" that visualizes "secrecy"

Visualizing air quality in various locations. Making density visible to create a safe space. A popular CO2 sensor introduced on NHK and TV Asahi news programs.

● Preventing the "three Cs" (closed spaces, crowded places, close-contact settings) in conference rooms and stores to implement infection prevention measures. By accurately measuring and visualizing the CO2 concentration in the space, efficient ventilation can be achieved. It can also measure room temperature and humidity, providing reliable ventilation guidelines and air conditioning management, which is a unique advantage of "eAir." ● No setup required. Ready to use right out of the box. eAir can be used immediately after being taken out of the box without the need for additional devices or settings. The CO2 concentration is clearly displayed with a dual indication of four-color LEDs and real-time numerical values. ● Even more convenient! Check CO2 concentration from a distance with app integration. By linking the app, you can check the CO2 concentration on your iPhone or Android smartphone even when you are not on-site. By monitoring air quality from various locations such as building management centers or while out, you can gain a greater sense of security. High-precision measurement using NDIR technology specialized for CO2 concentration. It allows for more accurate and faster visualization of the three Cs with the CO2 monitor, enabling appropriate actions such as immediate ventilation to be taken.

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高精度CO2濃度測定器　ポケットCO2センサー

高精度CO2濃度測定器　ポケットCO2センサー

3密を可視化！CO2濃度を簡単測定 今話題沸騰の人気商品 Androidスマートフォン接続型　PM2.5・PM10測定器

CO2濃度測定で ヒトの吐息には 高濃度のCO2（二酸化炭素）が含まれているため、 三密（密集・密閉・密着）が起きるとCO2濃度は急激に上昇します。 ポケットCO2センサーはCO2濃度[ppm]を10秒以内に測定し、 スマホのアプリ画面上に表示します。 また、日本産業衛生学会の指標に倣って、 色とイラストで分かりやすく表現します。 ご利用には、Android搭載スマートフォンまたはタブレットが必要となります。 専用アプリは、 GooglePlay（アプリ名：Pocket CO2 Sensor）よりダウンロード可能です。 https://play.google.com/store/apps/details?id=org.radiation_watch.co2checker

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CO2 carbon dioxide concentration meter CO2 sensor

CO2 carbon dioxide concentration meter CO2 sensor

Rechargeable, usable for 11 continuous hours - CO2 concentration meter

■The carbon dioxide concentration is easily understood at a glance with color and numbers! A CO2 concentration measuring device that shows the current carbon dioxide concentration at a glance with color and numbers. ■Know when to ventilate, perfect for infection control! It indicates the timing for ventilation in places where people gather, such as schools and offices, making it ideal for infection control. *An alarm will sound when the concentration is high. ■Rechargeable cordless design can be installed anywhere! With a USB rechargeable cordless design, it can be installed anywhere. ■Compact design makes installation easy! Its palm-sized compact design means you won't have trouble finding a place to install it. ■Simple design, just press a button! You can easily use it by pressing the power button for 3 seconds. ■Displays temperature, humidity, and battery level! It also features a display function for temperature, humidity, and battery level.

  • Company：プラタ
  • Price：Less than 10,000 yen
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