- Measuring Instruments Directive
European Union directive: Directive 2004/22/EC Measuring Instruments Directive Made by European Parliament & Council Made under Article 95 Journal reference History Made 31 March 2004 Came into force 30 April 2004 Implementation date 30 October 2006 Preparative texts Other legislation Status: Current legislation
The Measuring Instruments Directive (2004/22/EC) is a directive by the European Union, which intends to create a common market for measuring instruments across the 27 countries of the EU. Its most prominent tenet is that all kinds of meters which receive a MID approval may be used in all countries across the EU.
The MID covers these measuring instruments:
- Water meters
- Gas meters and volume conversion devices
- Active electrical energy meters
- Heat meters
- Measuring systems for the continuous and dynamic measurement of quantities of liquids other than water
- Automatic weighing instruments
- Material measures
- Dimensioning systems
- Exhaust gas analysers
Measuring instruments that comply with the MID bear:
- the CE mark
- a capital letter ‘M’ and the last two digits of the year of its affixing, surrounded by a rectangle
- the identification number of the notified body involved in conformity assessment
The Measuring Instruments Directive has been published on 30 April 2004 in the Official Journal of the EU, but not applied until after 30 October 2006 and there will be a 10 year long transition period. National implementations of the new legislation are currently in the works.
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