ZE92-CH2O formaldehyde gas sensor module
Principle Introduction:
ZE92-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 a combination of mature electrochemical detection principle and sophisticated circuit design.
Applications :
Portable detector, air-quality monitor device, air fresher, fresh air ventilation system, air-condition, smart home device &etc.
Technical parameters :
Model No. | ZE92-CH2O |
Target Gas | CH2O |
Interference Gas | Alcohol, CO &etc. |
Output Data | DAC(0.4~2V standard voltage output) |
UART Output(3V Electrical Level) | |
Working Voltage | 3.7V~9V (No 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) |
PIN15 | Vin (Voltage input 3.7V-9V) | |
PIN5、PIN14 | GND | |
PIN1 | VOUT(Voltage output 3.0V) | |
PIN3 | Reserved | |
PIN4 | Reserved | |
PIN7 | UART (RXD) 0~3.0V Data input | |
PIN8 | UART(TXD) 0~3.0V Data output | |
PIN9 | Sensor Analog signal | |
PIN10 | DAC 0.4V-2V (0-full measuring range) | |
PIN2/PIN6/PIN11/PIN12/PIN13 | NC |