The sulfur dioxide gas leak monitor is a useful and precision device, which can perceive the occurrence of sulfur dioxide gas in the air. The sulfur dioxide is a toxic gas, used for the burning of fossil fuels. It is apt for the production of paper, chemicals, and metals. It is known well for optimizing the processes and makes reduction in the costs related to accidents, waste and downtime. Sulfur dioxide gas leak monitor is an indispensable tool for several sectors, which can handle this gas, very well.