OIML Certificate System For Weighing & Measuring Instruments

What are the OIML Standards?

OIML stands for (in French: Organisation Internationale de Metrologie Legale) – The International Organisation for Legal Metrology is an inter-governmental organisation that was established in 1955 to promote the uniformity and standardisation of Legal Metrology procedures in the global environment. The OIML is headquartered in Paris, France.  The idea of OIML is to ensure that Certification of Measuring Devices in one country is compatible with certification in another country, thereby facilitating and promoting the international trade in measuring devices.

What products are covered / eligible for the OIML Certification?

The OIML Certifications is made for the weighing & measuring instruments & devices such products include weighing scales, water meters, gas meters, taxi meters, check weighers, speedometers, agricultural measuring devices such as serial moisture meters, health related devices such as exhaust measurements, alcohol content of drinks etc. As an OIML Certification Consultants & Legal Metrology Consultants, the above stated list is only illustrative, there may be thousands of other weighing & measuring devices which may not be possible to name here but are eligible for the OIML Certifications.

What are the objectives of OIML?

The objectives of OIML are stated below: –


  • To develop, in cooperation with our stakeholders, standards and related documents for use by legal metrology authorities and industry that when implemented will achieve the mission of the OIML.
  • To provide mutual recognition systems which reduce trade barriers and costs in a global market.
  • To represent the interests of the legal metrology community within international organisations and forums concerned with metrology, standardisation, testing, certification and accreditation.
  • To promote and facilitate the exchange of knowledge and competencies within the legal metrology community worldwide.
  • In cooperation with other metrology bodies, to raise awareness of the contribution that a sound legal metrology infrastructure can make to a modern economy.
  • To identify areas for the OIML to improve the effectiveness and efficiency of its work.

How does OIML work?

Though OIML works with International Organisation such as International Organisation Standardisation (ISO) and International Bureau of Weights & Measures (BIPM), to ensure that there may be proper coordination and compatibility between each organisation.  It is important to note that OIML has character of International Standardisation & Harmonisation in the field of Metrology, though it involves into making and recommendation of various metrological standards but has no legal authority to impose solution on its members, but most of times its recommendations are accepted by its member nations and they make its recommendations as the part of their national legislation.

What is the benefit of OIML Certification?

Since the OIML is Internationally acceptable body of Metrological Standards, as of March, 2022 62 Countries had signed up as the Member of OIML Certification System (OIML-CS).  If for any weight or measurement item, you obtain the Metrological Certification under the OIML-CS, then the acceptability of such item shall be tremendously increased amongst the Member Nations of the OIML which will give large amount of benefit to the exporters of such item and the importers will also greatly be benefited in terms of smooth import clearance and lesser regulatory compliances under the Metrological Laws of their respective countries.

What is the procedure of the OIML Certification?

Step 1– Apply with the NMI (National Metrological Institute) of the respected member country of the OIML.

Step 2– Submit your model with the OIML.

Step 3– OIML shall conduct appropriate testing, if any query or deficiency is raised, fulfil that deficiency.

Step 4– OIML Laboratory shall be forwarding the report to NMI.

Step 5– NMI shall issue the certificate through OIML-CS Portal.

How can we help you in obtaining OIML certification for your model?

At ELT, we have the best class of scientist and calibration consultant, we are well versed with the documentation and recommendation issued by the OIML system. Our experts have been the part of OIML advisory for decades and undertook various complex calibrations for many times. We help our clients to obtain the OIML certification for their Weight and Measures in the most time bound manner. Once the client approaches us, our experts shall collect the requirements of the client and will advise the relevant procedure to be followed for the same and once the client agrees on the proposal submitted by our experts the client has to sit relax and the complete work shall be undertaken by our experts in the most convenient manner for the client.

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Address Info

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