ME4-SO2 Sulfur Dioxide Gas Sensor

Sulfur Dioxide Gas Sensor

Applications :

*It is used for hydrogen sulfide detection in industrial occasions and environmental protection field.

Product Advantages:
  • *Low power consumption
  • *High precision
  • *High sensitivity
  • *Wide linear range
  • *Good anti-interference ability
  • *Excellent repeatability and stability
Product Description:

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.

Technical Parameters:

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

Lifespan

2 years(in air)

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