ME3-H2S Electrochemical Hydrogen Sulfide Gas Sensor

For Portable and Fixed H2S Gas Detector

Applications :

*Portable detector *industry and environmental protection
*Fixed gas detector *various gas detection equipment

Product Advantages:

*Low consumption
*High precision
*High sensitivity
*Wide linear range
*Good anti-interference ability
*Excellent repeatability and stability

Product Description:

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.

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
Stability（／month）	＜2﹪
Output Linearity	linear
Zero drift（-20℃ ～40℃ ）	≤0.2ppm
Storage temperature	-20℃ ～50℃
Storage Humidity	15﹪～90﹪RH
Pressure range（kPa）	Standard atmosphere ±10%
Anticipated using life	2 years(in air)