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.	ZE08K-CH2O
Target Gas	CH2O
Interference Gas	Alcohol, CO &ect.
Output Data	DAC(0.4~2V standard voltage output，corresponding concentration: 0 ~ full scale )
Output Data	UARToutput(3VTTLElectrical Level)
Working Voltage	3.7V~5.5V
Warm up time	≤3 minutes
Response time	≤60s
Resume time	≤60s
Detection Range	0～5ppm
Resolution	≤0.01ppm
Operating Temp.	-20℃～50℃
Operating Hum.	15%RH-90％RH(No condensation)
Storage temp.	0～25℃
Working life	5 years (in clean air 18℃~ 25℃)

Reference Circuit :

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