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Measuring Instruments Directive


Measuring Instruments Directive (MID) 2004/22 / EC, the European Union has officially notified the directive on April 30, 2004, and was enforced from October 30, 2006. It is used by the EU to supervise The regulations on measuring instruments, its directives clarify the new method standards for the legal system of measuring instrument products, conformity assessment procedures and the implementation period of the directive. The measuring instrument directive is an EU directive that includes automatic weighing instruments, dispensers, length and volume measuring instruments and measuring instruments such as water meters, electricity meters, and gas meters. The purpose of this directive is to establish a single market for measuring devices for manufacturers, ultimately benefiting consumers.
The Measuring Instruments Directive enables manufacturers to obtain a certificate for universal European purposes. In addition, the Metrology Apparatus Directive provides manufacturers with a range of options for conformity assessment of products entering Europe.
Purpose of certification
The EU's Metrology Apparatus Directive (MID) is intended to regulate the single market for EU metrology instruments, eliminate trade barriers within the EU, and better protect consumers. MID is not only an important application of metrology, but also an important assessment of conformity of metrological products Regulations. The directive restricts ten types of measuring appliance products, including water meters, gas meters and volume conversion equipment, energy meters, heat meters, taximeters, exhaust gas analyzers, automatic weighing instruments, etc., covering 95% of the EU market in the EU. Measuring instruments sold in the market. Manufacturers of measuring instruments should determine the corresponding technical requirements and conformity assessment modes according to the principles of MID instrument classification.
Ten measuring instruments
Water meter
Gas meter
3. Energy meter
4. heat meter
5. Liquid meter (except water)
6. Automatic weighing instrument
7. Taxi Meter
8. Material measuring instrument
9. Multi-Dimensional Measuring Instruments
10. Exhaust gas measuring instrument
Requirements and scope
Measuring instruments are used in the areas of public interest, health, safety, order, environmental protection, consumer protection, travel, taxation, tariffs, etc., all of which are required to meet the requirements of MID in principle. In actual operation, MID mainly regulates the following measuring instruments:
measuring tools
CE- mode
Addendum to MID
Water meter
B + F, B + D, H1
MI-001
Gas meter
B + F, B + D, H1
MI-002
Electric meter
B + F, B + D, H1
MI-003
Thermal energy meter
B + F, B + D, H1
MI-004
Liquid meter (except water)
B + F, B + D, H1, G
MI-005
Automatic weighing equipment
B + F, B + D, H1, G (B + E, D1, F1)
MI-006
Taximeter
B + F, B + D, H1
MI-007
Material measuring instrument
A1, F1, D1, E1, B + E, B + D, H
MI-008
Space measuring instrument
B + F, B + D, H1, G (B + E, D1, F1, E1, H)
MI-009
Exhaust gas analysis instrument
B + F, B + D, H1
MI-010
Authentication mode
Mode A DoC based on internal production management (A1 = + product testing by designated institutions)
Type B designation of designated agency
Mode G is based on the DoC of a single product certification by a designated agency
Model H DoC based on comprehensive quality assurance system (A1 = + product testing by designated institutions)
Mode C: DoC based on internal production management (C1 = + product testing by designated institutions)
Mode D DoC based on QA production process (D1 = DoC based on production process)
Mode E DoA of QA-based final product inspection and testing (E1 = DoC of QA-based final product inspection and testing)
Mode F: DoC based on product certification of designated agency (A1 = DoC based on product certification of designated agency)
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