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Certification of measuring instruments. Metrology pattern approval certificate (Metrology Certificate)

Metrology CertificatePattern approval certificate of measuring instrument

Pattern approval certificate (PAC) of measuring instrument (Metrology Certificate) - this document confirms the compliance of measuring instrument with legal requirements and issued by Federal Agency for Technical Regulation and Metrology (Rosstandard). The issued certificate guarantees that the measuring instrument is approved for use in the Russian Federation.

Pattern approval certificate of measuring instrument is valid for the period of 5 years, and then it is necessary to pass the procedure of prolongation. PAC for single-piece measuring instruments - unlimited.

The procedure for obtaining a Metrology Certificate

According to the requirements, which are set by appropriate legislation, the certificate is issued only after testing (researches), which allow to define accuracy, compliance of all parameters with permissible errors. To obtain Metrology Certificate it is necessary to carry out activities, such as:

  • definition of metrological and technical characteristics of equipment;
  • identification of the software if available. This research during certification of measuring instruments in Russia is necessary to assess the impact of software on all metrological characteristics and the degree of protection against unauthorized interference;
  • analysis of product design;
  • defining and setting intervals between the verification of measuring instruments;
  • checking of fulfillment of all requirements (basic and mandatory) to measuring instruments (metrology instruments), its individual parts, software, operating conditions.

Certification of measuring instruments also implies the approval of verification procedures, test certificate execution. Upon receipt of the positive testing results, the decision that the measuring instrument can obtain metrological certificate is made, and it contains the following information:

  • certificate number;
  • validity period;
  • type name of measuring instruments
  • serial number;
  • manufacturer name;
  • registration number;
  • information about verification document;
  • information about interval between verifications.

Certification of measuring instruments in Russia - is an indispensable complex of tests, ensuring the safety of human life and health.