Testing Lab of Power Supply/ IT / AV Products

1. Introduction to CMA:

CMA is the abbreviation of China Metrology Accreditation (China Metrology Certification/Accreditation). The testing organization that has obtained the certificate of metrology certification can use this mark on the inspection (test, test) certificate and report according to the items approved and listed on the certificate.

2. CMA properties:

Metrology certification is based on the "People's Republic of China Metrology Law". Article 22 of the Law stipulates that "product quality inspection institutions that provide fair data for the society must pass the assessment of their measurement verification and testing capabilities and reliability by the metrological administrative department of the people's government at or above the provincial level. Articles 32, 33, 34, 35, and 36 of the Detailed Rules for the Implementation of the Law further clearly stipulate that metrological certification is a mandatory legal assessment of testing institutions, and it is the regulation of testing institutions by government authorities. The formal recognition given by the type test. Since this kind of assessment is called "measurement certification" in the "Implementation Rules of the Metrology Law of the People's Republic of China", the name of "measurement certification" has been used to this day.

3. Certification level:

According to the "Measurement Law of the People's Republic of China", in order to ensure the accuracy and fairness of the test data, all quality testing institutions that issue notarized test reports to the society must obtain the qualification of "measurement certification", otherwise it will constitute an illegal act. Metrology certification is divided into two levels: "national" and "provincial", which are respectively applicable to national quality supervision and testing centers and provincial quality supervision and testing centers.

"Measuring certification qualification" is supervised and managed by the General Administration of Quality Supervision, Inspection and Quarantine or the provincial technical supervision department at the national and provincial levels. The measurement certification qualification is different from the laboratory accreditation qualification. It actually originates from the government's authorization, and only applies to the national and provincial quality supervision and testing institutions under the government and industrial departments. Certificate number: (2004) Quantity Recognition (National) word (H2402) number, the scope of accreditation is the same as that of CNAS.