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.
* Low consumption
* High precision
* High sensitivity
* Wide linear range
* Good anti-interference ability
* Excellent repeatability and stability
Widely used in industrial and environmental protection fields
Technical parameters :
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
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
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4) High Accuracy, sensors with module were calibrated in factory, no additional work needed after purchase
5) High Sensitivity, sensor features short first time warm up timing and quick response to test environment
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