WINSEN ME4-SO2 Sulfur Dioxide SO2 Gas Sensor 0~20ppm

SKU: ME4-SO2-0001
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• Detection Gas: SO2, Sulphur Dioxide Gas Sensor
    • Detection Range: 0~20ppm
    • Application: SO2 industrial and environmental protection fields
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  • WINSEN ME4-SO2 Sulfur Dioxide SO2 Gas Sensor 0~20ppm
  • Description
Principle Introduction:
Winsen Electronics, produces sulphur dioxide/SO2 gas sensor, by measuring current based on the electrochemical principle, for industrial use.
ME4-SO2 sulfur dioxide gas sensor is constant potential electrolysis type. Oxidation-reduction reaction with sulfur dioxide and oxygen take place respectively on the working electrode and on the counter electrode. The process releases electric charge and generates current. The current is in direct proportion to the concentration of sulfur dioxide. So the concentration of the target gas could be got by measuring the value of current.
Applications :
It is used for hydrogen sulfide detection in industrial occasions and environmental protection field.
Technical parameters :

Tips:For more parameter information, please refer to the latest manual provided by salesman.

Detection Gas Sulfur dioxide (SO2)
Detection Range 0~20ppm
Max range 200ppm
Sensitivity (0.8±0.2)µA/ppm
Resolution 0.1ppm
Response Time(T90) ≤30S
Bias Voltage 0mV
Load Resistance 10Ω(recommended)
Repeatability <2﹪ Output value
Stability(/month) <2﹪
Output Linearity Linear
Zero drift(-20℃~40℃) ≤0.2ppm
Temperature range -20℃~50℃
Humidity range 15﹪~90﹪RH
Pressure range standard atmospheric pressure±10﹪
Lifespan 2 years(in air)


Dimensions:


 
Reference Circuit :


 




 



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