7OXV CiTiceL® Electrochemical Oxygen (O2) Gas Sensor Measurement Range 0-25% vol. O2
Part Number: AAV66-380 


Honeywell 7-Series range is suited to general gas detection applications including oxygen and toxic gases. Sensors are suitable for use in portable or fixed gas detectors and medical gas applications.


  • Compact sensors designed for portable and transportable applications
  • Used in wide range of general gas detection applications
  • Extensivetoxicandoxygenrangeof gases

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Selecting the correct oxygen gas sensor for your gas detector involves several considerations to ensure accurate and reliable measurements for your specific application. 
Here's a step-by-step guide to help you make the right choice:

  1. Understand Your Application:

    • Identify the environment in which the gas detector will be used (indoor, outdoor, confined space, industrial setting, etc.).
    • Determine the expected oxygen concentration range you need to measure.
    • Consider potential interferences from other gases that might be present in the environment.
  2. Sensor Technology:

    • Decide on the type of sensor technology you want to use. Electrochemical sensors are common for oxygen detection due to their accuracy and sensitivity.
  3. Accuracy and Resolution:

    • Choose a sensor that provides the required accuracy and resolution for your application. The accuracy may vary based on the sensor's specifications.
  4. Response Time:

    • Consider the response time of the sensor. Some applications require fast response times, while others can tolerate slower measurements.
  5. Environmental Conditions:

    • Evaluate the operating temperature and humidity range of the sensor to ensure it can withstand your application's conditions.
  6. Cross-Sensitivity:

    • Check if the sensor has any cross-sensitivity to other gases that might be present in your environment. You want to minimize false readings.
  7. Calibration and Maintenance:

    • Understand the calibration requirements of the sensor. Some sensors need more frequent calibration than others. Consider how easy it is to calibrate and maintain the sensor.
  8. Power Requirements:

    • Consider the power requirements of the sensor. Some sensors might consume more power than others, impacting battery life in portable detectors.
  9. Cost and Budget:

    • Determine your budget for the sensor and the gas detector. Higher-quality sensors might be more expensive but can provide better performance and longevity.
  10. Compatibility:

    • Ensure that the selected sensor is compatible with your gas detector's design and specifications. Some detectors might have specific sensor models they work best with.
  11. Certifications and Standards:

    • Check if the sensor meets industry standards and certifications relevant to your application (e.g., ATEX, IECEx, UL, CSA, etc.).
  12. Consult Manufacturer and Experts:

    • Reach out to sensor manufacturers, distributors, or experts in gas detection to get recommendations based on your specific requirements.
  13. Trial and Testing:

    • If possible, consider testing the sensor in your specific environment or application before committing to a larger purchase.

Remember that selecting the right sensor is crucial for accurate gas detection and safety. Take your time to research, consult experts, and make an informed decision based on your needs and the unique conditions of your application.

Here is our best seller City Tech 7OXV Electrochemical Gas Sensor for Your Gas Detector

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