COZIR Ambient 2/5/10K CO2 Sensor

COZIR Ambient 2/5/10K CO2 Sensor
COZIR Ambient 2/5/10K CO2 Sensor
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  • GC-0010

  • GC-0011

  • GC-0012

  • CM-0047

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Browse more CO2 Sensor or additional GSS products.

GC-0010 0-2000 ppm
GC-0011 0-5000 ppm
GC-0012 0-10,000 ppm

  • Ultra-Low Power Consumption
  • Industry-Standard Serial Communication

The COZIR is an ultra low power (3.5mW), high performance CO2 sensor, ideally suited for battery operation, portable instruments and measuring ambient CO2 for HVAC control. Based on infrared LED and detector technology and innovative optical designs, the COZIR offers the lowest power NDIR sensor available. Optional temperature and humidity models are available.

co2 sensor sdk


  • 3.3V, < 1.5mA avg power requirements
  • Low noise measurement (<10ppm)
  • Peak current only 33mA
  • 2 measurements per second
  • Serial communication 9600/ 8/ 1/ n
  • Analog voltage output proportional to CO2 concentration

General Performance

  • Warm-up Time: < 10 seconds (1.2s to first reading)
  • Operating Conditions: 0°C to 50°C, 500 mbar to 40 bar

CO2 Measurement

  • Sensing Method: NDIR with Gold-plated optics
  • Sample Method: Diffusion
  • Measurement Range: 0-2,000ppm, 0-5,000ppm, 0-10,000ppm
  • Measurement Rate: 0.5 sec / measurement
  • Accuracy: ±50 ppm ± 3% of reading
  • Pressure Dependence: 0.13% of reading per mm Hg


  • Power Input: 3.3-5.5VDC (3.3V recommended)
  • 33mA peak, 1.5mA avg power requirements
  • Weight 20 grams



  • 90 Days

Datasheet Data Sheet (pdf)

COZIR Manual Manual (pdf)

Dimensional Drawings Dimensional Drawings (pdf)