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Carbon Dioxide Sensor - Winsen MH-Z14A

Carbon Dioxide Sensor - Winsen MH-Z14A

  • £2395

The MH-Z14A from Winsen is a relatively small size sensor which uses non-dispersive infrared (NDIR) principle to detect the existence of CO in the air, with good selectivity, non-oxygen dependence and long life.

This measures real CO₂ levels, rather than some other sensors which measure eCO₂ or 'equivalent' CO₂ level calculated by estimation from the VOC (Volatile Organic Compounds). While eCO₂ can give a good indication of CO₂, they can be affected by other volatile gasses.

It has built-in temperature sensor for temperature compensation and it has digital output and analog voltage output. This sensor has a UART (serial) connectivity, so it is easy to interface to your Arduino or RPi projects.
  • High sensitivity, High resolution
  • Low power consumption
  • Output modes: UART, analog voltage signal, PWM wave 
  • Quick response
  • Temperature compensation, excellent linear output                        
  • Good stability
  • Long lifespan
  • Anti-water vapor interference

MH-Z14 NDIR Infrared gas module is useful for indoor air quality monitoring, safety and protection monitoring and agriculture applications.

We use this sensor in our CO Monitor kit!

Technical data sheet is available here.

Technical parameters are available here:

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