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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

61～74 item / All 74 items

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[Market Report] Global Market for Advanced CO2 Sensors

[Market Report] Global Market for Advanced CO2 Sensors

The global market for advanced CO2 sensors is projected to reach 13.01 billion US dollars by 2031.

The global market for advanced CO2 sensors is steadily rising, with a projected market size of 13.01 billion USD by 2031. This growth is underscored by a robust compound annual growth rate (CAGR) of 3.99% during the forecast period from 2023 to 2031. As industries and consumers increasingly recognize the importance of environmental monitoring and sustainability, advanced CO2 sensors are becoming essential tools for achieving these goals. The global market for advanced CO2 sensors is poised for significant growth due to a combination of various factors, including environmental awareness, regulatory pressure, technological innovation, and the evolution of consumer expectations. These sensors are increasingly recognized as vital tools for achieving sustainability goals, enhancing energy efficiency, and ensuring a healthier and safer environment for everyone. For application methods, please check the [PDF download] button or apply directly through the related links.

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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 "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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Commercial large-screen CO2 sensor

Commercial large-screen CO2 sensor

21cm x 17cm large screen with LED display! Highly recommended for thorough ventilation management.

We offer a "Commercial Large Screen CO2 Sensor" for industries that need to thoroughly manage indoor ventilation. With a large LED display, numbers can be clearly seen from a distance, allowing stakeholders to easily share the indoor ventilation status. We have two types available: one with basic Japanese display that also manages temperature and humidity, and another type focused solely on CO2 concentration. 【Features】 ■ Japanese Display Type (HSK2012-01) - Basic Japanese display - Manages temperature and humidity in addition to CO2 concentration ■ Current CO2 Concentration (HSK2012-05) - Type focused solely on CO2 concentration - Features larger text for better visibility *For more details, please download the PDF or feel free to contact us.

  • Temperature Sensor

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"MORITO" for heatstroke and ventilation measures in factories and warehouses.

"MORITO" for heatstroke and ventilation measures in factories and warehouses.

Visualize a safe and comfortable environment in the workplace or office with temperature, humidity, and CO2 sensors!

In workplace environments such as food factories, warehouses, and refrigeration facilities, the management of "temperature," "humidity," and "ventilation" is directly linked to the health and safety of employees. The temperature and humidity/CO₂ sensors provided by Harmony address the following challenges: - Maintaining quality and hygiene through temperature and humidity management in food factories and warehouses. - Visualizing the WBGT (Wet Bulb Globe Temperature) to assess the risk of heatstroke during the summer in advance. - Monitoring humidity to prevent excessive dryness and the spread of viruses in winter. - Supporting measures against "stale" air and "oxygen deficiency" by visualizing CO₂ levels in homes and offices. - Enabling immediate response to abnormalities with real-time monitoring and notification functions. Utilizing sensors for "visualization" leads to the prevention of health hazards and improvement of the working environment. Why not implement safety measures that can be easily installed and started immediately? *For more details, please download the catalog or contact us.*

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  • Other temperature and humidity measuring instruments
  • Other environmental analysis equipment

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CO2 sensor "SCD40"

CO2 sensor "SCD40"

Meeting the needs of various customers! CO2 accuracy of 400-2000ppm, ±50ppm + 5% M.V. (reading value)

The "SCD40" is a compact CO2 sensor that achieves a high cost-performance ratio. By combining tape and reel packaging with SMD assembly processing, it is suitable for mass production applications. This sensor utilizes the photoacoustic sensing principle and Sensirion's proprietary technologies, PASens and CMOSens, to achieve an unparalleled small size and high performance. 【Specifications (partial)】 ■ CO2 output range: 0 - 40000 ppm ■ Specified CO2 measurement range: 400 - 2000 ppm ■ Accuracy: ±50.0 ppm ±5.0% m.v. ■ Response time (τ63%): 60s 【Applications】 Ideal for various commercial and residential HVAC applications. ■ Air purifiers ■ Air conditioners ■ Thermostats ■ Ventilation systems ■ Air quality monitoring devices *For more details, please download the PDF or feel free to contact us.

  • Gas Detection Sensor

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CO2 sensor "SCD41"

CO2 sensor "SCD41"

Response time (τ63%) is 60s! High CO2 accuracy due to an extended measurement range and low power mode.

We would like to introduce the CO2 sensor 'SCD41' that we handle. It features several important functions, including a maximum CO2 accuracy range of 5,000ppm, high precision specifications, low power consumption measurement mode, compliance with RESET, WELL Building Standard, and California Title 24 Building Energy Efficiency Standards. Please feel free to contact us if you have any requests. 【Specifications (partial)】 ■CO2 output range: 0 - 40000ppm ■Designated CO2 measurement range: 400 - 5000ppm ■Accuracy ・±50.0ppm ±2.5% m.v. ・±50.0ppm ±3.0% m.v. ・±40.0ppm ±5.0% m.v. *For more details, please download the PDF or feel free to contact us.

  • Gas Detection Sensor

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CO2 sensor "STCC4"

CO2 sensor "STCC4"

CO2 sensor for indoor air quality applications with a form factor!

The "STCC4" is one of the world's smallest sensors designed for the direct measurement of CO2 gas concentration. It has greatly expanded the new possibilities for CO2 measurement applications that were previously limited by size and cost constraints. This sensor, designed to be seamlessly integrated into compact electronic devices, is a groundbreaking product in the CO2 sensor market. Additionally, this product utilizes a new technology for thermal conductivity sensing, providing the accuracy required for indoor air quality applications with low power consumption. 【Specifications (partial)】 ■ Designated CO2 measurement range: 400 - 5000ppm ■ Accuracy: ±100.0ppm ±10.0% m.v. ■ Supply voltage: 3.3V ■ Average supply current: 850uA ■ Maximum supply current: 5mA *For more details, please refer to the related links or feel free to contact us.

  • Gas Detection Sensor

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[Column] What is a CO2 Sensor? Mechanism and Operating Principle

[Column] What is a CO2 Sensor? Mechanism and Operating Principle

What is a CO2 sensor? Introducing its mechanism and operating principle! / Leave the design of electrical and electronic circuits, and printed circuit boards to Nippo! /

A CO2 sensor is a device used to measure the concentration of carbon dioxide gas. It helps monitor the amount of CO2 gas released into the external environment and contributes to improving energy efficiency and ensuring indoor comfort. The general operating principles of CO2 sensors are mainly of two types: ◆ Chemical Sensor This method obtains gas concentration by utilizing "redox reactions." The electrical characteristics of the sensor (such as resistance and capacitance) change due to CO2 gas, and the concentration of CO2 gas is calculated from this change. ◆ NDIR: Non-Dispersive Infrared Method This method utilizes the characteristic that "molecules absorb infrared light at specific wavelengths." It measures how much light is absorbed and calculates the CO2 gas concentration based on that information. Currently, "NDIR-type CO2 sensors" are mainstream due to their high sensitivity and stability. Within NDIR-type CO2 sensors, there are different principles, including: - Single light source single wavelength method - Dual light source single wavelength method - Single light source dual wavelength method Nippo offers a wide range of services, from the design of electrical and electronic circuits to the design of printed circuit boards. If you have any interest, please feel free to contact us!

  • Other Sensors

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EnOcean CO₂ Sensor

EnOcean CO₂ Sensor

Efficiently avoid crowding, optimal for ventilation systems.

CO₂ sensor unit that measures temperature, humidity, and carbon dioxide concentration. It complies with the "Guidelines for the Selection of Carbon Dioxide Concentration Measuring Instruments" established by the Ministry of Economy, Trade and Industry. It uses solar cells for power generation and storage as the main power source, and is equipped with a backup battery. The backup battery can be used for about 10 years without replacement. *This is limited to use with a measurement interval of 15 minutes (depending on installation location/use environment). The measurement interval can be selected from 1 minute, 5 minutes, 10 minutes, 15 minutes, or a variable mode based on CO₂ concentration. In variable mode, the measurement interval is automatically adjusted according to the CO₂ concentration. In environments without people, such as at night, the measurement interval is extended, which is expected to reduce power consumption. 【Features】 ■ Data transmission via EnOcean wireless communication ■ Compliance with the guidelines established by the Ministry of Economy, Trade and Industry ■ Main power source is solar cell generation ■ Backup battery lasts about 10 years without replacement ■ Measurement intervals can be selected from 1 minute, 5 minutes, 10 minutes, 15 minutes, or variable mode

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