• gas sensor

ME3-H2S Hydrogen Sulfide Sensor

  • • Detection Gas: hydrogen sulfide, H2S
  • • Detection Range: 0~100ppm
  • • Application: H2S industrial and environmental protectionl fields

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Principle Introduction:
Winsen Electronics, as a professional gas sensor manufacturer, produce H2S/ hydrogen sulfide sensor, using fuel cell / electrochemical working principle.
ME3-H2S 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 H2S
Measurement Range 0~100ppm
Max detecting concentration 500ppm
Sensitivity (0.8±0.15) µA/ppm
Resolution ratio 0.1ppm
Response time(T90) <30S
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

External dimension:


Reference Circuit :



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