Included in the "People's Republic of China *** and the State mandatory verification of measuring instruments" directory, and for medical and health, environmental monitoring, safety and security, trade settlement of the four aspects of the measuring instruments must be through the quality and technical supervision departments of the mandatory verification. Compulsory calibration cycle by the corresponding measurement of measuring instruments to determine the measurement of calibration procedures, different measuring instruments calibration cycle is different. If the self-test needs to measure the administrative department (Quality and Technical Supervision) to give you the establishment of social measurement standards (commonly known as the establishment of standards), which is an administrative license, through the establishment of standards you can self-test. But the legal provisions of the mandatory calibration of measuring instruments do not allow self-test, that is to say, after the establishment of the standard you can test non-compulsory measuring instruments.
TS16949 quality management system certification requirements for enterprises to establish appropriate measuring instruments management system, with measurement management personnel, improve measurement management system, according to the cycle of equipment calibration (traceability). Based on the People's Republic of China *** and the State Law on Measurement, Measurement Law Implementation Rules, the People's Republic of China *** and the State Certification and Accreditation Regulations, Laboratory Accreditation Supervision and Administration Measures, and so on.