ME4-NO2-E4 Nitrogen Dioxide Gas Sensor

Nitrogen Dioxide Gas Sensor

Applications :

*Urban atmospheric monitoring, enterprise environmental monitoring, emission gas monitoring, emergency environmental monitoring, and environmental evaluate monitoring.

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

ME4-NO2-E4 nitrogen dioxide gas sensor is constant potential electrolysis type. Oxidation-reduction reaction with nitrogen dioxide 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 nitrogen dioxide. 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:

Technical

nitrogen dioxide(NO2)

Detection Range

0~20ppm

Max range

50ppm

Sensitivity

-0.205~-0.548µA/ppm

Resolution

<10ppb

Response Time(T90)

<60S

Bias Voltage

33-100Ω(recommended)

Stability(/month)

-20%~-40%

Output Linearity

Linear

Zero drift(-20℃~40℃)

0-20ppb

Temperature range

-30℃~40℃

Humidity range

15﹪~85﹪RH

Pressure range

80-120kPa

Lifespan

2 years(in air)

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