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 voltage: 3.7v~9v , response time: 60s , detection range: 0~5ppm , resolution: 0.01ppm , operating temp.: 0~50 , operating hum.: 15%rh-90%rh(no condensation) , working life: 2 years (in air)