**Please Note: The CO2Meter offices will be closed in observance of the US Thanksgiving holiday beginning at 5:00 pm et. Wednesday, November 24. All operations will reopen Monday, November 29 at 8:30 am et. Orders placed after noon et. November 24 will be fulfilled on November 29. Happy Holiday!**

CozIR®-A 2,000ppm CO2 + RH/T Sensor

CozIR®-A 2,000ppm CO2 + RH/T Sensor
Regular price $119.00

POs or wholesale quantity discounts click here

The CozIR®-A 2,000 ppm CO2 + temperature and % relative humidity sensor is designed to monitor carbon dioxide levels indoors. It is ideal for monitoring CO2 in buildings, schools, offices or anywhere indoor air quality is important for personal comfort of the occupants.


  • CO2, Temperature & %RH in a Single Sensor
  • Low Power Consumption
  • 2 Measurements Per Second
  • Sensor Life Expectancy: > 15 years
  • Industry-Standard Serial Communication


GC-0020 CozIR®-A 2,000 ppm CO2 + RH/T Sensor - for integration into high-volume OEM products. Contact us directly for wholesale pricing on large quantities of this sensor.

CM-0197 CozIR®-A 2,000 ppm CO2 + RH/T Development Kit - Easy to use, simply plug the sensor module into your PC via USB. Use our free GasLab® software to measure and graph carbon dioxide, to configure the sensor or for data logging.

CM-0047 Tube Cap Adapter - This adapter has been discontinued. If you are looking for a tube cap adapter, please contact us directly at Sales@CO2Meter.com. You MUST provide us with which sensor you have purchased for a proper solution.


  • CO2 Sensing Method: NDIR with Gold-plated optics
  • Sample Method: Diffusion (Optional Sampling with Tube Cap)
  • Auto Calibration Default (can be changed in software)
  • CO2 Measurement Range: 0-2,000 ppm (parts per million)
  • CO2 Measurement Rate: 0.5 sec / measurement
  • CO2 Accuracy: ±50 ppm ± 3% of reading
  • Resolution: 1ppm
  • CO2 Pressure Dependence: 0.13% of reading per mm Hg
  • CO2 Noise measurement: < 10 ppm
  • Temperature Sensing Method: Bandgap
  • Temperature Range: -0 to +55°C
  • Temperature Accuracy: +/- 1°C within Range
  • Humidity Sensing Method: Capacative
  • Humidity Range: 0 to 95% RH
  • Humidity Accuracy: +/- 5% within Range
  • Serial communication 9600/ 8/ 1/ n
  • Analog output for CO2 concentration only
  • Sensor Life Expectancy: > 15 years

  • General Performance

    • Warm-up Time: < 10 seconds (1.2s to first reading)
    • Operating Conditions: -22°C to 55°C, 0-95% RH, 500 mbar to 40 bar


    • Power Input: 3.3-5.5VDC (3.3V recommended)
    • Average Power Requirements: < 1.5mA @ 3.3V
    • Peak current: 33mA
    • Weight 20 grams


    • 90 days - See CO2Meter Terms and Conditions.

    Free Easy-to-use GasLab™ Software

    This device uses GasLab® software for setup, calibration, data logging, and real-time data analysis. GasLab® makes it easy to export data into a .CSV file that can be imported into any industry-standard software or spreadsheet. GasLab® runs on Windows XP or higher, and free to use with our products.

    Download Latest Software Here

    • Data Sheets

    • Manuals

    • Technical Documents

    • Videos

    • Additional Resources

    Customer Reviews

    Based on 1 review

    COZIR AMB 2,000ppm CO2 + RH/T Sensor

    "Easy to install, easy to set up, and easy calibration - just what I was looking for."

    - Phillip Farrar
    Water Plant Superintendent

    Read More Reviews...