ZE08B-CH2O Electrochemical CH2O Detection Module

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

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  • Principle Introduction
Principle Introduction:
ZE08B-CH2O is a general-purpose and miniaturization electrochemical formaldehyde detection module. It utilizes electrochemical principle to detect CH2O in air which makes the module with high 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 is a combination of mature electrochemical detection principle and sophisticated 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.


UARToutput(3V Electrical Level)

Working Voltage

3.7V~5.5V( With voltage reverse connect protection)

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

2 years (in air)

Reference Circuit :

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