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CIPM MRA
CIPM MRA
CIPM MRA
CIPM MRA
With the advent of WTO systems for world trade, the equivalence of national measurement standards has become a more important issue than ever before in international metrology communities. To reduce any technical barriers caused by differences in metrological systems, the NMIs of 38 member states of the Metre Convention, along with two international organizations, signed a Mutual Recognition Arrangement (MRA) in 1999 that was arranged by the CIPM.
The agreement allows the signatory NMIs to mutually recognize national measurement standards, as well as the calibration and measurement certificates issued by one another. The CIPM MRA provides transparent, reliable, peer-reviewed and quantitative information on the capabilities of NMIs and the degree of equivalence of SI units and quantities they measure. The CIPM MRA also provides a technical framework for several agreements negotiated upon for international trade, commerce, and regulatory affairs in such cases where acceptance and equivalence in measurement results are important.
KRISS has been a member of the CIPM MRA since 1999. To meet the requirements of the global MRA, KRISS actively participates in key comparisons (KCs) organized by related regional and international organizations, such as the CIPM and APMP, and carries out peer reviews on calibration and testing services.
International Competencies demonstrated by Key Comparison and Peer Review
Key Comparisons (KCs) is an international comparison of key measurement standards recognized as the largest international cooperation program in metrology. International organizations, including IAEA and WMO, as well as various economies have signed on to the CIPM MRA (Mutual Recognition Arrangement) since it was adopted in October 1999. While equipping itself with a quality management system befitting international standards to fulfil conditions of the CIPM MRA, KRISS has been continuously engaged in the KCs.
Participation in KC (as of Dec. 2020)
| KC Participation | KC Pilot | Total KC Participation | Total KC Pilot | Pilot Ratio | ||
|---|---|---|---|---|---|---|
| CC | RMO | CC | RMO | 479 | 91 | 19% |
| 276 | 112 | 23 | 68 | |||
| 388 | 91 | |||||
CMCs listed in the KCDB (as of Dec. 2020)
| AUV | M | L | PR | T | TF | EM | RI | QM | Total |
|---|---|---|---|---|---|---|---|---|---|
| 56 | 49 | 40 | 39 | 72 | 29 | 100 | 214 | 606 | 1,205 |
Key Comparison
A cross-comparison program for measurement outcome conducted by NMIs in defferent countries by sector to secure international equivalence.
- Holding measurement capacities of international level is a prerequisite to participate in the KC organized by CIPM
The quality system og KRISS is regulary reviewed by experts from overseas NMIs to ensure its Cailibration measurement capabilities (CMCs) ans campliance with ISO/IEC 17025 & ISO 17034. The peer review by overseas experts is conducted every 5 years in accordance with the APMP Guideline.