Chemical detectors are devices designed to identify and measure the presence of specific chemicals in the environment. They work by analyzing air samples or surfaces for particular substances, such as toxic gases, explosives, or chemical agents. These detectors are essential in various fields, including environmental monitoring, industrial safety, and military applications. There are different types of chemical detectors, including electrochemical sensors, infrared sensors, and mass spectrometers. Each type operates on unique principles to detect chemicals accurately. The information gathered by these devices helps ensure safety, compliance with regulations, and prompt responses to hazardous situations.