• gas sensor

ME3-NH3 Gas Sensor

  • • Detection Range: NH3, ammonia gas sensor
  • • Detection Range: 0~100ppm NH3
  • • Application: industrial and environmental protectionl fields

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Principle Introduction:
Winsen Electronics, as a professional gas sensor manufacturer, produce electrochemical ammonia sensor, NH3 sensor for industrial use, using electrochemical working principle.
ME3-NH3 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 protectionl fields

 

Technical parameters :
Item Parameter
Detection gas NH3
Measurement Range 0~100ppm
Max detecting concentration 200ppm
Sensitivity (0.10±0.05) µA/ppm
Resolution ratio 0.5ppm
Response time (T90) ≤90S
Bias voltage 0mV
Load resistance (recommend) 10Ω
Repeatability <10﹪output value
Stability (/month) <10﹪
Output Linearity linear
Zero drift (-20℃~40℃) -3~10ppm
Storage temperature -20℃~50℃
Storage Humidity 15﹪~90﹪RH
Pressure range(kPa) 90-110
Anticipated using life 2 years(2ppmNH3)


External dimension:




Reference Circuit :



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