Legal metrology: For a world where we can trust the weighing result


It is essential in everyday life we can trust the weighing instruments used in shops, factories and hospitals. Therefore, legal metrology legislation is in place to guarantee the quality of weighing. For centuries rules are set to make sure a customer is able to trust that the indication on a scale is correct. In other words, that one kilogram on the display means the product weighed is in fact one kilogram. Currently, there is a comprehensive legal framework in place consisting of European and national legislation, international standards (e.g. OIML Recommendations) and guidelines (e.g. WELMEC guides) to protect users and consumers. Particularly in the area of commercial transactions, medical diagnoses and legal disputes these requirements are strict and not-negotiable.

Consequently, the weighing instruments need to meet certain standards when being sold and during its lifetime there are rules to guarantee they continue to function correctly. For purchasers it is mandatory to buy the weighing instruments that are compliant with the requirements as set in European Directives[1] when used in specified situations such as commercial transactions. Every weighing instrument type is checked and certified by an independent notified body to guarantee it meets the legal requirements. Depending on the conformity assessment procedure followed, also quality audits are carried out to certify the production process of the manufacturer.

Additionally, weighing instruments are obliged to be checked and reverified by an approved organisation or government body on a regular basis and/or after repairing a weighing instrument. National legislation sets strict requirements to guarantee the accuracy and reliability of weighing instruments during its lifetime. With this legal metrology framework users can rely on business transactions being fair, medical diagnosis being correct, medicines produced according to the highest quality standards and law enforcement appropriate. This way the legal metrology framework protects users, businesses and customers and enables the world to function smoothly.

[1] Directive 2014/31/EU on non-automatic weighing instruments & Directive 2014/32/EU on measuring instruments


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CECIP is the European association for national trade organisations representing the European manufacturers of weighing instruments. Founded in 1958, CECIP has today 14 members. These include 11 national member associations from: Austria, Czech Republic, France, Germany, Italy, Netherlands, Poland, Slovakia, Spain, Switzerland and United Kingdom and three company members from Portugal, Sweden and Turkey. The weighing industry has gone through tremendous changes in the past decades with new technologies and techniques being introduced in all sectors. Nowadays weighing instruments plays an important role in every industry, contributing to the quality of the final product. Today, CECIP is playing its role within Europe, striving for common and harmonised standards to be adopted at European and International levels. These standards and legislation should provide safety and quality to both consumers and users of weighing instruments. CECIP aims to provide valuable contributions to improve the quality of legislation and standards.