• gas sensor

ME3-H2 Electrochemical Hydrogen Gas Sensor

  • • Detection Gas: Hydrogen Gas Sensor, H2 sensor
  • • Detection Range: 0~1000ppm H2
  • • Application: H2 industrial and environmental protectionl fields

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Principle Introduction:
Winsen Electronics, as a professional gas sensor manufacturer, produce hydrogen sensor, industrial H2 sensor, using fuel cell/ electrochemical working principle.
ME3-H2 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 H2
Measurement Range 0~1000ppm
Max detecting concentration 2000ppm
Sensitivity (0.010±0.005) µA/ppm
Resolution ratio 2ppm
Response time (T90) ≤90S
Bias voltage 0mV
Load resistance (recommend) 10Ω
Repeatability <2%output value
Stability (/month) <2%
Output Linearity linear
Zero drift (-20℃~40℃) ≤20ppm
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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