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Standard on Metrological Aspects of Non-Automatic Weighing Instruments EN 45501

European standard that adds detail to the Directive on Non-Automatic Weighing Instruments 2014/31/EC. The directive itself only covers the harmonization of legally binding metrological and technical requirements for non-automatic scales that are used in applications subject to legal metrology (compulsory verification). EN 45501, which is based on OIML Recommendation R 76‑1, contains metrological as well as design and constructional stipulations for non-automatic scales, whose fulfilment is indicative of compliance with the main requirements of the above-mentioned directive.