For approval of the type of measuring instruments, state tests are conducted, during which their metrological and technical characteristics are determined. Upon completion, type approval certificate (metrological certificate) is issued, and the type (measuring instrument) is entered to the State register of measuring instruments of the Republic of Kazakhstan.
Certificate of type approval of measuring instruments can be issued both for type of measuring instrument, and for batch of measuring instruments with indication of serial numbers in the certificate.
Metrological attestation of measuring instruments is a study of a measuring instrument performed by an authorized body to determine metrological properties of such measuring instrument and the issuance of a document indicating the data obtained.
Certificate of metrological attestation is issued for a measuring instrument with indication of serial number in the certificate.