I would like to ask everyone: is it okay if a measurement report has the CNAS seal but not the CMA seal?

2024-11-07View Original

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I would like to ask everyone: is it okay if a measurement report has the CNAS seal but not the CMA seal?

Reply #22024-11-07

It is possible for a measurement report to have the CNAS mark but not the CMA mark. This is because CNAS (China National Accreditation Service for Conformity Assessment) is responsible for accrediting testing and calibration laboratories, while CMA (Measurement Certification) indicates that a laboratory has the legal qualification for measurement certification; the two have different focuses. A laboratory may have only obtained CNAS accreditation without applying for or obtaining CMA accreditation. .

Reply #32024-11-07

Yes, to apply for CNAS certification, it is sufficient to establish measurement standards; measurement certification is not mandatory.

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