A gas detector is a tool that checks for the presence of gases in a space, frequently as a safety measure. Operators in the region of the leak may hear an alarm from a gas detector, giving them the chance to escape. This kind of apparatus is crucial since many gases have the potential to be toxic to organic life, including people and animals. Oxygen depletion and poisonous, flammable, and combustible gases can all be found with gas detectors. This kind of instrument is frequently employed in industry and is found in places like oil rigs to keep an eye on production procedures and cutting-edge technology like photovoltaics. They could be employed in battling fires.