Electrochemical CH2O Detection Module ZE08K-CH2O

  • • High sensitivity &resolution, Low power consumption, Long life
  • • UART/Analog Voltage output
  • • Good stability, excellent ability of Anti-interference
  • • Temperature compensation , Excellent Linear output

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  • Principle Introduction
Principle Introduction:
ZE08K-CH2O is a universal and miniaturization electrochemical formaldehyde detection module. It utilizes electrochemical principle to detect CH2O in air which makes the module with good selectivity and stability. It is built-in temperature sensor to make temperature compensation. It has the digital output and analog voltage output at the same time. It combines mature electrochemical detection technology with a good circuit design.
Applications :
 Portable detector, air-quality monitor, air cleaner, air renewal system, air conditioner, smart home.
Technical parameters :

Tips:For more parameter information, please refer to the latest manual provided by salesman.


Model No.


Target Gas


Interference Gas

Alcohol, CO &ect.

Output Data

DAC(0.4~2V standard voltage output,corresponding concentration: 0 ~ full scale )

UARToutput(3VTTLElectrical Level)

Working Voltage


Warm up time

≤3 minutes

Response time


Resume time


Detection Range




Operating Temp.


Operating Hum.

15%RH-90%RH(No condensation)

Storage temp.


Working life

5 years (in clean air 18℃~ 25℃)

Reference Circuit :

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