China Metrology Certification (CMA Certification)
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China Metrology Certification (CMA Certification)
basic introduction
The abbreviation of China Metrology Certification "CMA" is the
English abbreviation of China Inspection Body and Laboratory
Mandatory Approval (China Metrology Certification/Accreditation).
According to the provisions of the Measurement Law of the People's
Republic of China, the measurement administrative department of the
people's government at or above the provincial level conducts a
comprehensive certification and evaluation of the testing
capabilities and reliability of the testing institution. This kind
of certification targets all product quality supervision and
inspection agencies and other types of laboratories that issue fair
data to the society; such as various product quality supervision
and inspection stations, environmental testing stations, centers
for disease prevention and control, etc.
Testing institutions that have obtained metrological certification
certificates are allowed to use the CMA mark on their inspection
reports; inspection reports with the CMA mark can be used for
product quality evaluation, results and judicial appraisal, and
have legal effect.
The country is currently promoting systems such as compulsory
metrological certification, review accreditation and "laboratory
accreditation" in which laboratories voluntarily participate, to
ensure the fairness, scientificity and authoritativeness of testing
institutions in providing services to society. These certifications
are based on the national It is based on laws such as the
Measurement Law, the Standardization Law and the Quality Law.
This job is a highly technical law enforcement oversight job. All
testing institutions that have passed the metrology certification
of the national metrology administration department will be awarded
the CMA metrology certification mark by the state. This mark can be
stamped on the upper left corner of the test report.
Fundamental contents
1. CMA is the abbreviation of China Inspection Body and Laboratory
Mandatory Approval (literal translation: China Inspection Body and
Laboratory Mandatory Approval). Testing institutions that have
obtained laboratory qualification accreditation (measurement
certification) certificates can use the CMA mark on inspection
(testing, testing) certificates and reports according to the items
approved and listed on the certificate.
2. In 2001, the country promulgated the "Measurement
Certification/Inspection and Accreditation (Acceptance) Evaluation
Guidelines (Trial)", which was implemented on December 1 of the
same year and the original evaluation guideline JJG1021-90 was
abolished. The evaluation system followed by metrology
certification: "Laboratory Qualification Accreditation Review
Guidelines", which also supplements the provisions of China's
metrology legal management.
3. Laboratory qualification accreditation (measurement
certification) is implemented at two levels. One is at the national
level, organized and implemented by the National Certification and
Accreditation Administration Commission; the other is at the
provincial level, organized and implemented by the Provincial
Quality and Technical Supervision Bureau, and the specific work is
undertaken by the Metrology and Certification Office (Measurement
Office). Whether it is national or provincial level, the
effectiveness of implementation is completely the same. Whether it
is national or provincial certification, the testing agencies that
have passed the certification are equally legally valid across the
country. There is no difference in effectiveness between different
handling departments.
4. According to the regulations on metrological certification
management, data issued by testing institutions that have passed
metrological certification and used for trade certification,
product quality evaluation, and result identification have legal
validity as notarized data. It is illegal for technical
institutions without metrological certification to provide
notarized data to the society, and any violation will be
prosecuted.
5. China’s testing institutions that have passed metrological
certification have covered agriculture, fishery, forestry,
machinery, post and telecommunications, chemical industry, light
industry, electrical engineering, metallurgy, geology,
transportation, urban construction and environmental protection,
safety protection, water conservancy and other industries and
departments, and have started A relatively complete range of
testing categories.
recognized difference
1. Laboratory qualification accreditation (measurement
certification) is one of the important tasks of legal metrology
management. For testing institutions, it is a mandatory approval
system for testing institutions to enter the testing service
market. That is, only institutions with metrological certification
qualifications and legal status of metrological certification can
provide testing services to the society.
2. National laboratory accreditation is consistent with the foreign
laboratory accreditation system and is a voluntary capability
accreditation activity. Through the nationally recognized testing
technology institution of the laboratory, it is proved that it
meets the internationally accepted requirements for the capability
of calibration and/or testing laboratories.
China Metrology Certification (CMA Certification)
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