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Testing of measuring instruments

VNIIMS is the head institution in the field of state regulation of the measurement uniformity in Russian Federation.

According to the Rosstandart order # 366 of 21.05.2012 VNIIMS is entitled to:

  • Examination of results of testing with the purpose of type approval,
  • Making the draft of the order on the approval of type of measuring instrument,
  • Issuing the Certificate of type approval of measuring instrument,
  • Issuing of the duplicate copy of the Certificate of type approval of measuring instrument with the description the type,
  • Reissuance of the Certificate of type approval of measuring instrument with the description the type,
  • Keeping of: copies of applications for testing with annexes, copies of testing procedures and testing acts with positive results and their annexes; copies of order on the approval of type of measuring instrument; copies of Certificates and their duplicate copies, information about the reissuance of the Certificates,
  • Examination of the security of measuring instrument software.

Therefore, the process of preparation and expert evaluation of the documents becomes easier, the time interval between the application of Customer and issuance of Certificate of type approval shortens significantly.

Average time of testing with issuance of type approval certificate – 3 months.

VNIIMS conducts the following set of works on testing of measuring instruments with the purpose of type approval:

  1. Experimental exploration of measuring instruments,
  2. Development of the documentation:
    • Procedure of testing with the purpose of type approval – document, which defines the content, capacity, provisions of testing, methods of defining the metrological and technical features;
    • Description of type of measuring instrument – an integral part of the Certificate, which is its’ annex and includes the following mandatory parts:
      • Title of the measuring instrument type,
      • Purpose of the measuring instrument,
      • Description of the measuring instrument,
      • Metrological and technical features,
      • Mark of type approval,
      • Completeness of measuring instrument,
      • Verification,
      • Information about methods of measurement,
      • Recommendations about spheres of application in the field of state regulation of measurement uniformity assurance.
    • Method of verification – document, defining the procedure, capacity, methods and means of primary and periodical verification of measuring instrument as well as the order of execution of verification results;
    • Testing act, which is to be set according to the results of the testing with the purpose of type approval.
  3. Development, probation, attestation and inclusion of measuring methods into Federal Informational Fund.

Testing with the purpose of type approval is conducted with account of the specific manufacturing. There are two types of production – batch and piece.

Piece production – singular manufacturing of one measuring instrument of a certain type, additional manufacturing of which is not envisaged. In this case the Certificate is termless for the piece (or set).

Batch production – constant (continuous) manufacturing or the manufacturing of the repeated sets of the measuring instruments of a certain type. Term of validity for the Certificate in this case – 5 years.

The information about approved types of measuring instruments is put into the Federal Information Fund on the assurance of measurement uniformity, ведением которого занимается ФГУП «ВНИИМС»., which is maintained by VNIIMS.

The testing of measuring instruments with the purpose of type approval is conducted according to the Application of the person concerned.

Certificate of VNIIMS accreditation

Federal Law of 26th of June 2008 № 102-FZ «On assurance of measurement uniformity»

Procedure of testing of the reference materials or measuring instruments with the purpose of type approval (pdf)
(Annex to the order of Ministry of Industry and Trade # 1081 of 30th of November 2009)

Order of Ministry of Industry and Trade # 1326 of 30th of September 2011 «On the amendments to the procedure of type approval of reference materials or measuring instruments, procedure of issuance of Certificates of type approval of reference materials or measuring instruments, establishing and changing of validity terms of those Certificates and intervals between verification of measuring instruments» (pdf)