Ecological Systems and Devices Annotation << Back Post of the automobile’s ecological monitoring Primisky V.Ph. The problems of an environment control by the fulfilled gases of automobiles were considered. The features of work and technical characteristics of the ecological control of the automobile were analyzed. The optimal forms of system interface of gas analytical system was considered. Substantiated the role of microprocessor device (controller) in optimization and guaranteeing of high technical characteristics of gas analytical system.