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Extech CO240 Maintenance-free NDIR Carbon Dioxide Sensor

Extech | Sensors

Extech CO240 Maintenance-free NDIR Carbon Dioxide Sensor

MPN / Part No: CO240
Price updated: Sep 23, 2026

The Extech CO240 Carbon Dioxide Sensor employs NDIR technology to provide accurate and stable CO2 measurements in HVAC systems and indoor air quality monitoring. This maintenance-free product ensures a long life and rapid response for engineers and supply teams.

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The Extech CO240 Carbon Dioxide Sensor is a vital component for indoor air quality (IAQ) monitoring that utilizes non-dispersive infrared (NDIR) technology to deliver high measurement accuracy.

This sensor is designed to ensure stable and reliable performance over time without the need for continuous calibration or complex maintenance.

HVAC engineers and industrial safety professionals can utilize this sensor to monitor CO2 concentrations in enclosed spaces to ensure adequate ventilation and a healthy work or living environment.

One of the key advantages of the CO240 sensor is its maintenance-free design, which reduces operational costs and minimizes the risk of failure.

This feature makes the product an ideal choice for large building projects, schools, offices, and industrial environments where continuous air quality monitoring is essential.

The NDIR technology employed in this sensor provides high sensitivity and low interference from other gases, resulting in more accurate data for ventilation control systems.

 

Key Features of the Extech CO240 Carbon Dioxide Sensor

  • Non-dispersive infrared (NDIR) measurement technology for high accuracy
  • Maintenance-free design to reduce costs
  • Long sensor life and stable performance over time
  • Rapid response to changes in carbon dioxide concentration
  • Suitable for HVAC systems and indoor air quality monitoring

 

Technical Specifications

Feature Value
Model CO240
Sensor Technology NDIR (Non-dispersive Infrared)
Gas Measured Carbon Dioxide (CO2)
Maintenance Requirement Maintenance-free
Main Application Indoor Air Quality (IAQ) Monitoring
Brand Extech

 

Frequently Asked Questions

Does the CO240 sensor require periodic calibration?

No, this sensor is designed to maintain its accurate performance without the need for maintenance and frequent calibrations, significantly reducing maintenance costs.

What type of systems is this sensor suitable for?

The CO240 sensor is primarily suitable for HVAC systems, air quality controllers, and smart building systems to regulate fresh air flow based on CO2 concentrations.

What is the main difference between the Extech CO240 carbon dioxide sensor and other CO2 sensors?

The main difference lies in the NDIR technology and its maintenance-free design, which provides long-term stability and accuracy without the need for technical intervention.

 

Conclusion

The Extech CO240 Carbon Dioxide Sensor, with its advanced NDIR technology and maintenance-free design, is a smart choice for engineers and industrial equipment supply teams.

This product, by providing accurate and stable data, aids in optimizing ventilation systems and enhancing indoor air quality. For projects where accuracy, durability, and reduced maintenance costs are priorities, the CO240 is a superior and reliable option.

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Extech

Extech

United States

Extech is one of the most reputable international brands in the field of test and measurement equipm...

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