ME4-H2S-E4 Hydrogen Sulfide Gas Sensor

Hydrogen Sulfide Gas Sensor

Applications :

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

Product Advantages:
  • *High precision
  • *High sensitivity
  • *Short response time
  • *Good anti-interference ability
  • *High resolution, wide linear range
Product Description:

ME4-H2S-E4 hydrogen sulfide gas sensor is constant potential electrolysis type. Oxidation-reduction reaction with hydrogen sulfide and oxygen take place respectively on the working electrode and on the reference electrode. The process releases electric charge and generates current. The current is in direct proportion to the concentration of hydrogen sulfide. So the concentration of the target gas could be got by measuring the value of current. The 4th electrode (auxiliary electrode) is used to compensate the zero current, to make it has the characteristics of strong signal level and low zero current.

Technical Parameters:

Detection Gas

Hydrogen Sulfide(H2S)

Detection Range

0~100ppm

Max range

200ppm

Sensitivity

(0.9~1.5)µA/ppm

Resolution

<10ppb

Response Time(T90)

≤60s

Load Resistance

33-100Ω(recommended)

Stability(/month)

<20﹪

Output Linearity

Linear

Zero drift(-20℃~40℃)

≤±0.1ppm

Temperature range

-30℃~50℃

Humidity range

15﹪~90﹪RH

Pressure range

80-120kPa

Lifespan

2years(in air)

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