COZIR Wide Range 5-100% CO2 Sensor

COZIR Wide Range 5-100% CO2 Sensor
COZIR Wide Range 5-100% CO2 Sensor
COZIR Wide Range 5-100% CO2 Sensor
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  • GC-0016

  • GC-0006

  • GC-0015

For large quantities, please contact

Browse more CO2 Sensor or additional GSS products.

GC-0016 (0-100%)
GC-0007 (0-60%)
GC-0006 (0-20%)
GC-0015 (0-5%)

The COZIR-WR is a low power, high performance CO2 sensor ideally suited for battery operation in portable instruments. Based on infrared LED technology and innovative optical designs, the COZIR combines the accuracy of NDIR technology with wide-range CO2 measurement in a flexible package for OEM integration.

co2 sensor sdk


  • 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%,0-100%
  • Accuracy: ±70 ppm ± 5% of reading
  • Response Time Filter: 4 secs to 2 mins (user configurable) refreshed 2x/sec.


  • Power Input: 3.3 ±0.1 volt  DC < 3.5 mW



  • 90 Days

Datasheet Data Sheet (pdf)

COZIR Manual Manual (pdf)

Dimensional Drawings (pdf)

Documentation Connect COZIR to Arduino via UART (pdf)

Documentation Arduino Sample Code (zip)