ME2-CH2O-16×15 Formaldehyde Sensor

Detecting CH2O in residential occasion and environmental protection areas

Applications :

*Detecting CH2O in residential occasion and environmental protection areas

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

ME2-CH2O-16×15 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:

Item

Parameter

Detection gas

Formaldehyde (CH2O)

Measurement Range

0-5 ppm

Max detecting

concentration

20 ppm

Sensitivity

0.25-0.60µA/ppm

Resolution ratio

≤0.02ppm

Response time(T90)

≤60S

Load resistance

(recommended)

(120/200/300)Ω

Repeatability

<2﹪ output value

Output Linearity

linear

Zero drift(-20℃~40℃)

≤0.2ppm

Temperature Range

-20℃~50℃

Humidity Range

15﹪~90﹪RH(no condensation)

Pressure range

normal atmosphere ± 10%

Anticipated using life

5 years(in air, 18℃-25℃)

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