Thanks to its high sensitivity and resolution, this formaldehyde sensor from Winsen is a great school if you want to monitor air quality.
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*Disclaimer: The images are merely illustrative.
ZE08-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.
|
Model No. |
ZE08-CH2O |
|
Target Gas |
CH2O |
|
Interference Gas |
Alcohol, CO &ect. |
|
Output Data |
DAC(0.4~2V standard voltage output ) |
|
UART output(3V Electrical Level) |
|
|
Working Voltage |
3.7V~9V( With voltage reverse connect protection) |
|
Warm up time |
≤3 minutes |
|
Response time |
≤60s |
|
Resume time |
≤60s |
|
Detection Range |
0~5ppm |
|
Resolution |
≤0.01ppm |
|
Operating Temp. |
0~50℃ |
|
Operating Hum. |
15%RH-90%RH(No condensation) |
|
Storage temp. |
0~50℃ |
|
Working life |
2 years(in air) |
|
PIN |
Instruction |
|
Pin4 |
Vin(Voltage input 3.7V~9V) |
|
Pin3 |
GND |
|
Pin2 |
DAC (0.4~2V,for 0-5ppm) |
|
Pin7 |
PWM |
|
Pin1 |
HD (Zero calibration,only for factory use) |
|
Pin5 |
UART(RXD) 0~3.3V data input |
|
Pin6 |
UART(TXD) 0~3.3V data output |

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Thanks to its high sensitivity and resolution, this formaldehyde sensor from Winsen is a great school if you want to monitor air quality.