Abstract
This study explores the importance of information systems applied to legal metrology as a tool to improve the control of measuring instruments used in trade. The information system implanted in Brazil has also helped to understand and appraise the control of the measurements due to the behavior of the errors and deviations of instruments used in trade, allowing the allocation of resources wisely, leading to a more effective planning and control on the legal metrology field. A study case analyzing the fuel sector is carried out in order to show the conformity of fuel dispersers according to maximum permissible errors. The statistics of measurement errors of 167,310 fuel dispensers of gasoline, ethanol and diesel used in the field were analyzed demonstrating the accordance of the fuel market in Brazil to the legal requirements.
Highlights
Legal metrology is responsible for apply regulations to measuring instruments that impact both economy and society, establishing requirement, as maximum admissible error, in order to provide the accuracy of measures, maintaining this distortion to acceptable levels, arising the confidence to the market [1]
The present study aim to explore how information systems applied to the legal metrology activities have helped Inmetro, the National Metrology Institute in Brazil, to
The Brazilian National Metrology Institute (NMI) has implanted in 2011 an Integrated Management System (IMS) in order to aggregate the information provided from legal control of measuring instruments carried out by the delegated bodies, unifying the results of metrological tests in the market, integrating the
Summary
Legal metrology is responsible for apply regulations to measuring instruments that impact both economy and society, establishing requirement, as maximum admissible error, in order to provide the accuracy of measures, maintaining this distortion to acceptable levels, arising the confidence to the market [1]. The legal metrological control is the tool used to maintain under control this asymmetry, using verifications and surveillance activities to keep these errors according to established in regulations in measuring instruments used in trade. Information systems have been introduced in legal metrology successfully in order to organize and improve the control, as the system proposed to assist the implementation of the Measuring Instrument Directive in Europe, simulating the behavior of measuring instruments in the market [7]. The fuel market is used as a study case to relate the enhancements achieved in the sector
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