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CO2 Sensor Product List and Ranking from 18 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 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:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.

  1. null/null
  2. センシリオン Kanagawa//Electronic Components and Semiconductors
  3. グローバル電子 Tokyo//Electronic Components and Semiconductors
  4. 4 EDI Japan Tokyo//environment
  5. 4 杉原計器 Osaka//Trading company/Wholesale
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CO2 Sensor Product ranking

Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.

  1. CO2 sensor "STC31-C" センシリオン
  2. CO2 sensor EDI Japan
  3. 三密おしらせシステム 換気予報 杉原計器
  4. 4 三密おしらせシステム（コネクトセルラーコネクトCO2センサ） ソーキ
  5. 5 CO2 sensor "COZIR-Blink" グローバル電子

CO2 Sensor Product List

1～15 item / All 45 items

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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.

  • Sensors
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  • Ventilation and Exhaust

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CO2 sensor "CozIR-LP3"

CO2 sensor "CozIR-LP3"

It supports a wide range of applications such as HVAC, IAQ, and DCV!

The "CozIR-LP3" is a fast-response, ultra-low power CO2 sensor using NDIR technology. It offers a choice of UART or I2C control interfaces and provides both digital and analog outputs. Additionally, it features onboard power management capabilities that can reduce the sensor's power consumption (less than 3.0μW) when inactive. 【Features】 ■ Equipped with onboard power management capabilities ■ Can reduce sensor power consumption when inactive ■ Has an automatic calibration function ■ Can operate for extended periods without user intervention, even in space-constrained applications *For more details, please download the PDF (English version) or feel free to contact us.

  • Sensors

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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

  • Other measurement, recording and measuring instruments

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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.

  • Other measurement, recording and measuring instruments

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CO2 Sensor "SACD Series"

CO2 Sensor "SACD Series"

Optimize the recirculation rate using real-time CO2 measurements to improve efficiency and indoor air quality!

The "SACD series" is a CO2 sensor that accurately and continuously measures CO2 concentration. The CO2 concentration measured inside the vehicle can also be used to utilize recirculation more efficiently, rather than relying on general estimates based on the number of passengers. Additionally, with configurable alarm levels, it enables personalized thresholds, proactive alerts, and timely responses to critical situations. 【Features】 ■ Robust photoacoustic measurement technology ■ Configurable alarm levels ■ Low power monitoring mode ■ Compact design that can be installed discreetly in the vehicle ■ LIN interface, always-on 12V compliant with bus wake-up support *For more details, please download the PDF or feel free to contact us.

  • Gas Detection Sensor

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CO2 sensor "SCD30"

CO2 sensor "SCD30"

400-10000ppm, ±30ppm + 3% M.V. (reading value) CO2 accuracy! CMOSens technology applied to infrared detection.

The SCD30 is a CO2 sensor that integrates our class-leading temperature and humidity sensor into a compact sensor module, utilizing non-dispersive infrared (NDIR) absorption method for CO2 detection. With our expertise and experience, the correction software engine models external heat sources, allowing for accurate measurement of ambient humidity and temperature without additional components. Furthermore, the miniaturization of this sensor module enables integration into various products. 【Specifications (partial)】 ■ Designated CO2 measurement range: 400 - 10000ppm ■ Accuracy: ±30.0ppm ±3.0% m.v. ■ Response time (τ63%): 20s ■ Temperature stability: 2.5ppm/℃ *For more details, please download the PDF or feel free to contact us.

  • Gas Detection Sensor

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CO2 sensor "SCD43"

CO2 sensor "SCD43"

High CO2 accuracy compliant with inclusive building standards! The freedom of design is maximized.

The "SCD43" is a CO2 sensor that achieves class-leading accuracy specifications of ±(30pm + 3% mv). It is also compatible with strict building standards such as ANSI/ASHRAE 62.1-2022 Draft Addendum d, California Title 24, RESET grade B, and the WELL Building Standard (WELL v2). Additionally, it features an extended specified range of up to 5,000ppm and a single-shot operation mode. 【Specifications (partial)】 ■ CO2 output range: 0 - 40000ppm ■ Specified CO2 measurement range: 400 - 5000ppm ■ Accuracy: ±30.0ppm ±3.0% mv ■ Response time (τ63%): 60s *For more details, please download the PDF or feel free to contact us.

  • Gas Detection Sensor

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CO2 sensor "STC31-C"

CO2 sensor "STC31-C"

Accurate measurement of CO2 up to high concentrations! 0-100 vol%, ±0.2 - 2.0 vol% (reading value) CO2 accuracy.

The "STC31-C" is a chip-sized gas concentration sensor designed for mass-produced products. Based on an innovative thermal conductivity measurement principle, it offers excellent repeatability and long-term stability, making it an ideal choice for applications where reliability is key. The thermal conductivity technology consumes extremely low power compared to low-power optical sensors, making it suitable for battery-operated applications and delivering high performance even when the power budget is at an absolute minimum. 【Specifications (partial)】 ■ Specified CO2 measurement range: 0 - 100 vol% ■ Accuracy: ±0.2 vol% ±2.0% m.v. ■ Response speed (τ63%): 0.5s ■ Temperature stability: 0.02 vol%/℃ *For more details, please refer to the related links or feel free to contact us.

  • Gas Detection Sensor

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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 "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.

  • Other office supplies

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