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Home > Metrology > Legal metrology > Measuring instruments for safety, vehicles, agri-food industries and dimensional measurement

Measuring instruments for safety, vehicles, agri-food industries and dimensional measurement


Certain instruments previously subject to national control are now covered by the Measuring Instruments Directive MID
> More information

Type examination

Pre-diagnosis of conformity

If your measuring instrument is in the process of being developed or you wish to assess/review the conformity of one of your instrument's functions, LNE can perform a pre-diagnosis of conformity covering all or part of the statutory requirements.

Download application form
(pdf - 25 kB)

Logo marquage CEType examination covers validation of the design of a measuring instrument on the basis of information supplied in an application file and - if required - examinations and tests performed on one or more specimens of the instrument type. Following type examination, LNE will issue a certificate stating that the instrument meets the requirements for its category. If applicable, the certificate will specify particular conditions for verification or use of the instrument.

How to apply for type examination

To apply for type examination, you need to send LNE:

  • a full description of your instrument, by completing our application form (pdf - 29 kB)
  • a technical file containing the documents listed in the [file guidelines] for the type of instrument concerned.

Note: If your application is for an instrument with integrated software, please complete the technical file as indicated in the software file guidelines - [software guidelines] (pdf - 97 kB)

Technical file guidelines

Dimensional / Safety / Vehicles

Automobile exhaust gas analysers MID guidelines
Tachographs guidelines (in french)
Radar speed detectors guidelines (in french)
Devices for measuring distance between vehicles guidelines (in french)
Breathalysers guidelines (in french)
Multidimensional measuring instruments MID guidelines
Area measuring instruments MID guidelines
Length measuring instrument MID guidelines
Manometers for vehicle tyres guidelines (in french)
Material measures of length MID guidelines
Odometers contact us
Opacimeters for control of diesel engines guidelines (in french)
Fare display panels for taximeters guidelines (in french)
Sound level meters guidelines (in french)
Taximeters MID guidelines
Thermometers for conservation of perishable foodstuffs guidelines (in french)

Agri-food industry

Alcoholometers and hydrometers for alcohol guidelines (in french)
Wine vats (measuring containers) guidelines (in french)
Bulk milk cooler tanks guidelines (in french)
Moisture content meters for cereal grain and oleaginous grain guidelines (in french)
Material measures of capacity for grain contact us
Capacity serving measures MID guidelines
Refractometers for measuring sugar content of grape must guidelines (in french)
Automatic saccharimeters for sugar beet delivered to refineries and distilleries guidelines (in french)

Transfer or extension of a certificate

If you wish to transfer or extend a type examination certificate, please fill in the form (french version only - pdf)


Le point sur l'approbation réglementaire de système qualité

Le marquage CE ou la vérification primitive des instruments est l'opération de contrôle attestant que les instruments neufs ou réparés respectent les exigences de leur catégorie.

La directive 2004/22/CE (MID) prévoit que le marquage CE puisse être directement apposé par le fabricant dont le système qualité a fait l'objet d'une approbation préalable par le LNE. Dans ce cas, le LNE intervient en tant qu'organisme notifié pour l'approbation des systèmes de management de la qualité pour les différents modules faisant appel à l'assurance qualité.

La réglementation nationale (décret du 3 mai 2001) prévoit des dispositions similaires pour les fabricants d'instruments non couvert par la directive 2004/22/CE, ainsi que pour les réparateurs et les installateurs.

How to apply for approval of your quality system

Read our [guidelines] on the approval procedure (pdf - 415 kB) and then complete and send us the [application form] (pdf - 85 kB) and the [application file] (pdf - 73 kB)


LNE ISO 9001 certification

Companies applying for quality system approval may also apply for ISO 9001 certification of their quality management system. This certification is extremely useful both for SMEs and for large companies whose certification needs concern different parties (buyers, local authorities, subcontractors, etc.). LNE provides a one-stop service optimizing both the time and the cost of the certification process.

> LNE ISO 9001 certification (french pdf - 860 kB)

LNE ISO 9001

OIML certificates

LNE is authorized to issue OIML certificates of conformity for more than 20 categories of measuring instruments. It is also a signatory of a Mutual Acceptance Agreement covering load cells (OIML recommendation R60) and non-automatic weighing instruments (OIML recommendation R76).

The OIML international recommendations for which LNE may issue OIML certificates are listed on the OIML website.

How to apply for OIML certificates

Send LNE a full description of your instrument, by completing our application form (pdf - 29 kB)


For any new application for certification of measuring instruments, contact our customer service

General questions about legal metrology


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