These reasons are enough so that a new conceptualization on acting in the area of legal metrologia and its current model is thought. The necessity that if made in giving answers to the population compelled to the agency metrolgico to study a way to execute the metrolgico control of the parqumetros installed in saw public in the City of Campo Grande – MS of legal form, interpreting a new form of performance in contraposition to the demands of the population, giving endorsement the city hall in the order of its urban planning in benefit of the users of the parking system. With this objective to show that it is possible to currently improve the models of performance in practical, making small adjustments and adequacies to the current necessities. Word-key: Parqumetro, Metrolgico Control, legal Metrologia. re of the situation. 1 INTRODUCTION When we relate in them to the Legal Metrologia in its field of performance and the form of action, in them we come across with the national legal system increased of regulations techniques based on recommendations of the International Organization of Legal Metrologia OIML 1 that it is an institution formed for country-members and that suggests lines of direction it stews international it to standardize the procedures of world-wide performance.