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  6. 【ELT SENSOR】CO Concentration Sensor Module

【ELT SENSOR】CO Concentration Sensor Module

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『CO-S20-3V』

last updated:Sep 26, 2025

セイワ 東京本社、関西支社、名古屋営業所、中国無錫  グループ会社 エレクトロン(長野県松本市)
セイワ 東京本社、関西支社、名古屋営業所、中国無錫  グループ会社 エレクトロン(長野県松本市)
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Maintains high accuracy through dual correction of CO concentration (carbon monoxide concentration) and temperature! Electrochemical gas sensor module for CO measurement.

The "CO-S20-3V" is a CO sensor module that combines excellent accuracy and long-term reliability. It maintains high accuracy through dual compensation for CO concentration and temperature. It supports various applications such as CO detectors, factory environments, parking lots, kitchens, HVAC, and enclosed spaces. 【Features】 ■ Pre-calibrated (at factory shipment) ■ Automatic calibration and manual calibration function (zero point calibration) ■ Output: UART, I2C, PWM, ALARM (open collector) ■ Compatible with the S-300 series (uses the same PCB) ■ Lifespan: 5 years (8-year lifespan product is available as an option) ■ Size: 33mm x 33mm x 12.5mm / Weight: 5g *For more details, please refer to the PDF document or feel free to contact us.

    Sensors
image_01.png

【ELT SENSOR】CO Concentration Sensor Module

image_01.png
image_01.png image_02.png 事故記事.png COと人体への影響.png
  • Seiwa Co., Ltd. - ELT SENSOR Introduction Page
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basic information

【Performance】 ■Detected gas: Carbon Monoxide ■Operating temperature range: -20℃ to 50℃ ■Operating humidity range: 15 to 90% RH (without condensation), G type: 15 to 90% RH (without condensation) ■Operating environment: Residential facilities, commercial facilities, kitchens, fire detection, underground parking lots, enclosed spaces, etc. ■Storage temperature: 0℃ to 20℃ (storing in high-temperature environments may adversely affect lifespan) *For more details, please refer to the PDF document or feel free to contact us.

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Applications/Examples of results

For more details, please refer to the PDF document or feel free to contact us. ■CO detector ■CO alarm ■Factory environment ■Parking lot ■Kitchen (incomplete combustion) ■HVAC Supporting various applications such as enclosed spaces.

Detailed information

  • COと人体への影響.png

    Carbon monoxide (CO) concentration has a fatal impact on the human body. It is generated by incomplete combustion, making it important to detect CO levels.

  • 事故記事.png

    Various articles about carbon monoxide poisoning are being discussed.

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[ELT SENSOR] CO Sensor Module 'CO-S20-3V'

[ELT SENSOR] CO Sensor Module 'CO-S20-3V'

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セイワ

セイワ 東京本社、関西支社、名古屋営業所、中国無錫  グループ会社 エレクトロン(長野県松本市)

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The development of electronics has given people great dreams and has turned those dreams into reality, one by one. This development has been passed on to the 21st century, inspiring even greater dreams and hopes. I am deeply grateful and delighted to have been able to engage in work that contributes to this segment of the electronics industry. Moving forward, I will continue to serve as a conduit for the appropriate information on semiconductors and electronic components, so that I can help realize humanity's great dreams and support the product and information development of our clients. I am committed to walking alongside our clients and growing together in the information society of the 21st century. However, on the other hand, global environmental issues have become increasingly prominent. As a member of society, I feel the importance of leaving a rich natural environment for the future and preserving the fundamental value of humanity. I am determined to strive towards becoming a company that harmonizes with nature and society as we move towards an endless future.

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