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Infrared Carbon Dioxide Transmitter CRH Series

Infrared Carbon Dioxide Transmitter
CRH SeriesCRH Series

CRH series infrared carbon dioxide transmitter is used in online monitoring and to display the carbon dioxide concentration in the air, and to transmit the signal to the control center. It has high precision, long service life, good stability, and high cost performance.
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  • Adopt international advanced NDIR non-dispersed infrared gas analysis technology.
  • Short response time, high precision.
  • Stable performance, long calibrating period, less maintenance.
  • Can be used in anaerobic atmosphere.
  • Long service life, no sensor intoxicating phenomenon .
  • 4 LED numerical code display.
  • Has the function of temperature compensation, automatic zero correction.


CO2 Sensor CM1106-C
Measurement method NDIR
Range CO2: 0-5000ppm up to 0-20% vol
Warm-up time 30s
Accuracy For range -5000ppm to 0-20000ppm: ±25ppm/±10% of reading
For range 0-1%vol: ±0.1%
For range 1-5%vol: ±(0.05%± 5% of reading)
For range 5-20%vol: ±10% of reading
Response time T90< 30s at 20C
Working voltage 8-25V
Output RS485/4-20mA
Dimension 195*145*105mm
Lifespan ≥10 years
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