• gas sensor

ME3-NO2 Gas Sensor

  • • Detection Gas: NO2, nitrogen dioxide
  • • Detection Range: 0~20ppm
  • • Application: industrial and environmental protection fields

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Principle Introduction:
Winsen Electronics, as a professional gas sensor manufacturer, produce NO2 gas sensor, Nitrogen Dioxide sensor for industrial use, using electrochemical working principle.
ME3-NO2 electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current.






 



          
 




Applications :
Widely used in industrial and environmental protection fields.
Technical parameters :
Item Parameter
Detection gas NO2
Measurement Range 0~20ppm
Max detecting concentration 150ppm
Sensitivity (0.78±0.42)µA/ppm
Resolution ratio 0.1ppm
Response time(T90) <25S
Bias voltage 0mV
Load resistance(recommend) 10Ω
Repeatability <2﹪output value
Stability(/month) <2﹪
Output Linearity linear
Zero drift(-20℃~40℃) 0.2ppm
Storage temperature -20℃~50℃
Storage Humidity 15﹪~90﹪RH
Pressure range(kPa) 90-110
Anticipated using life 2 years(In air)


External dimension:







Reference Circuit :



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