ME3-SO2 Electrochemical Sulfur Dioxide Gas Sensor

For Portable and Fixed SO2 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-SO2 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

SO2

Measurement Range

0~20ppm

Max detecting concentration

150ppm

Sensitivity

(0.55±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

Standard atmosphere ±

10%

Anticipated using life

2 years(In air)

 

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