ZE07A-CH2O electrochemical formaldehyde module is a general-purpose and miniaturized module. Using the electrochemical principle to detect CH2O in the air has good selectivity and stability. Built-in temperature sensor for temperature compensation; at the same time, it has digital output and PWM output, which is convenient to use. ZE07A-CH2O is a general-purpose gas module designed and manufactured by closely combining mature electrochemical detection technology with sophisticated circuit design.

ME3-CH2O formaldehyde sensor is a constant-potential electrolytic sensor. Formaldehyde and oxygen undergo a corresponding redox reaction on the working electrode and the counter electrode and release charges to form a current. The generated current is proportional to the concentration of formaldehyde. By testing the size of the current The level of formaldehyde concentration can be determined.

The ME2-CH2O-16×15 formaldehyde sensor is a fuel cell electrochemical sensor. Formaldehyde and oxygen undergo corresponding redox reactions on the working electrode and the counter electrode and release charges to form a current. The generated current is proportional to the concentration of formaldehyde. Following Faraday's law, the level of formaldehyde concentration can be determined by testing the magnitude of the current. 

The MH-Z19C carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose intelligent small sensor, which uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air, with good selectivity, no oxygen dependence, long life, etc. Features; built-in temperature compensation; at the same time with serial output, analog output, PWM output, easy to use. The sensor is a high-performance sensor made by closely combining mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design.

The MH-712B carbon dioxide gas sensor is a general-purpose intelligent infrared gas sensor (hereinafter referred to as the sensor), which uses the principle of non-dispersive infrared (NDIR) to detect carbon dioxide in the air. It has good selectivity and no oxygen dependence. Stable performance, long life; built-in temperature compensation. The sensor is a compact and high-performance sensor made by closely combining the mature infrared absorption gas detection technology with micro-machining and sophisticated circuit design.

MH-410D infrared gas sensor is a general-purpose, intelligent, miniature sensor. The infrared sensor uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air. It has good selectivity, no oxygen dependence, and stable performance. ,long life. Built-in temperature compensation. The infrared sensor is a compact and high-performance infrared sensor made by closely combining the mature infrared absorption gas detection technology with micro-machining and sophisticated circuit design.