ZE08-CH2O Electrochemical CH2O Detection Module Profile 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. ZE08-CH2O Electrochemical CH2O Detection Module Features * High sensitivity &resolution, Low power consumption, Long life * UART/Analog Voltage/PWM wave output * Good stability, excellent ability of Anti-interference * Temperature compensation , Excellent Linear output ZE08-CH2O Electrochemical CH2O Detection Module Main Application Portable detector, air-quality monitor, air cleaner, air renewal system, air conditioner, smart home. ZE08-CH2O Electrochemical CH2O Detection Module Technical Parameters * Target Gas: CH2O * Interference Gas: Alcohol, CO &ect. * Working Voltageâ??: 3.7V~9V * Response time: â?¤60s * Detection Range: 0~5ppm * â??Resolution: â?¤0.01ppmâ?? * Operating Temp.: 0~50â?? * Operating Hum.: 15%RH - 90%RH(No condensation) * Working life: 2 years (in air)