Low-Power CO2 Sensor for High Concentration Measurement - COZIR Range from CO2 Meter

The COZIR-WR CO2 sensor is an innovative solution for scientists and researchers who need to measure ultra-high carbon dioxide levels not found in nature. It provides:

  • High Speed, Real Time
  • High Accuracy
  • Low Cost
  • Low power consumption

This precision CO2 sensor uses Aluminum Indium Antimonde on a Gallium Arsenide wafer substrate combined with a non-dispersive infra-red (NDIR) technology to achieve a sensor that is unique in the industry. The sensor has a compact, flexible package, ideal for remote, battery-powered, and OEM applications.


  • Measurement ranges from 5% to 100%
  • Ultra-low power: 3.3V, 3.5mW
  • Peak current only 33mA
  • Weight 8 grams
  • Serial communications 9600/8/1/N
  • Analog voltage output proportional to CO2 concentration

General Performance

  • Warm-up Time: < 10s
  • Operating Conditions: 0°C to 50°C, 950 mbar to 10 bar
  • 500 ms (2 Hz) measurement interval.

CO2 Measurement

  • Sensing Method: NDIR with Gold-plated optics
  • Sample Method: Diffusion / Flow with Tube adaptor
  • Measurement Range: 0-5%,0-20%,0-60%,0-100%
  • Accuracy: ±70 ppm ± 5% of reading
  • Response Time Filter: 4 secs to 2 mins (user configurable) refreshed 2x/sec.

Download the datasheet for more information

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