Formaldehyde detectors are devices used to measure the concentration of formaldehyde gas in the air, ensuring safe indoor air quality. They are used in applications such as residential monitoring, industrial safety, and environmental health, providing accurate and reliable formaldehyde measurements. Formaldehyde detectors offer features such as high sensitivity, fast response, and digital displays, making them essential for detecting and controlling formaldehyde levels. Their ability to provide precise formaldehyde detection makes them valuable for ensuring safe and healthy indoor environments.