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Dual IR Sources NDIR CO2 Sensor CM1109

Dual IR Sources NDIR CO2 Sensor

Cubic patented two-engine CO2 sensor CM1109 is used to detect CO2 concentration of indoor air by adopting infrared (NDIR) technology. With higher accuracy and better stability, it is widely used for ventilation system, air purifier, air conditioner, intelligent agriculture, storage and cold-chain, etc.
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  • Dual IR source NDIR technology with independent intellectual property
  • High accuracy, long term stability, long lifespan(>15 years)
  • Matrix calibration within whole measurement range and temperature range
  • Small size and compact structure, easy to install
  • Signal output PWM/UART/ I²C


CO2 Sensor CM1106-C
Measurement range 400-5000ppm
Response time ≤30s
Accuracy ±(50ppm+3% of reading) @0℃~50℃, 50±10%RH
Working temperature -10℃~50℃
Working humidity 0~95% RH(non-condensing)
Power supply DC 4.5V-5.5V
Ripple wave <50mV
Working current Average<45mA
Signal output UART_TTL, PWM, I²C
Dimensions W33*H20.3*D11.4 mm(without pin)
* The above features and specifications are preliminary version. Some contents could be changed before the product is mass-production.
To get more technical information, please contact
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