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Metrology

Q1. Where to find list of approved types of measuring instruments?

Look for it at the this link.

Q2. What is necessary to obtain type approval certificate?

Procedure on measuring instrument type approval is defined in Rulebook on more detailed procedure and method of examination and approving the type of a measuring instrument (“Official Gazette of MNE”, No. 10/10).

Q3. What is necessary to submit together with the request application for measuring instrument type approval, if a foreign institute has issued type approval certificate for the measuring instrument?

Pursuant to article 11 of the Rulebook on more detailed procedure and method of examination and approving the type of a measuring instrument (“Official Gazette of MNE”, No. 10/10), for a measuring instrument for which type approval certificate has been issued by a foreign institute authorized by its state to perform activities regarding examination of measuring instrument type, the Bureau can issue type approval certificate for the measuring instrument recognizing the certificate from the foreign institute, if the requester, together with the request form, submits:
- Certificate on type approval of measuring instrument issued by the foreign institute;
- Report on examination of measuring instrument type containing results of the examination based on which the certificate was issued;
- Sample(s) of the measuring instrument;
- Other information on the measuring instrument requested by the Bureau.

Q4. For which type of measuring instruments type approval is mandatory?

Measuring instruments for which type approval is mandatory are determined by Regulation on legal measuring instruments that are mandatory subjected to verification i.e. measuring instrument type approval (“Official gazette of MNE”, no. 81/09).

Q5. Where is calibration of measuring instruments and standards performed?

Bureau of Metrology performs calibration of measuring instruments and standards in its laboratories along with calculation of measuring uncertainty in accordance with adopted procedures on calibration. Calibration of non-automatic weighing instruments is performed on-site i.e. at the installation place or the place where it’s used.

Q6. Where can deadlines for calibration of standards used for verification of legal measuring instruments be found?

Deadlines for calibration of standards used for verification of legal measuring instruments are prescribed with Rulebook on deadlines for calibration standards used for verification of legal measuring instruments ("Official Gazette of Montenegro", no. 33/11).

Q7. What is verification of a measuring instrument?

Verification of measuring instrument is a procedure, which includes testing and marking of measuring instruments, that ascertains that the measuring instrument complies with the prescribed requirements.
Other details are adduced in Rulebook on the method of determining the conformity with the metrological requirements for legal measuring instruments (“Official Gazette of MNE”, No. 04/10).

Q8. What is the fee that covers the costs of verification of measuring instruments?

Fee and method of paying for costs in the field of metrology, including also verification of measuring instruments, are prescribed by the Decree on the amount and the manner of payment of fees in the field of metrology (“Official Gazette of MNE”, No. 73/10).

Q9. How do we know that a measuring instruments is verified i.e. that a legal obligation regarding the measuring instrument has been fulfilled?

National mark placed on the measuring instrument is the proof that the measuring instrument complies with the prescribed metrological instruments, i.e. that it underwent the legal procedure. There are several types and methods of affixing mark. On all of the measuring instruments on which mark can be physically placed, at a visible spot (on display or beside), mark in the form of a ellipsoid sticker is placed. This sticker contains five digits serial number, and last two digits of the year the measuring instrument was verified in, or mark sticker that has verge divided into months. More details on marks are given in Rulebook on the types, forms and method of affixing marks that are used in the verification of instruments, as well as more detailed form and content of the certificate of the verification of measuring instrument and the certificate of the type approval of the measuring instrument (“Official gazette of MNE”, No. 80/09).

Q10. Does the marked measuring instrument have to have verification certificate and when does the certificate expire?

As a proof of compliance of measuring instrument with prescribed requirements, a mark is placed on the measuring instrument, and at the request of a customer verification certificate can be issued. The certificate is issued also for the measuring instruments that mark can’t be placed on.
Verification certificate expires, if:
- Deadline of verification has expired;
- Fitting on measuring instrument has been performed, causing its metrological characteristics to change.
- Measuring instrument is damaged to a degree that it loses some of the features relevant to verification;
- Mark has been destroyed, removed, changed or impaired in any other way;
- Measuring instrument has lost necessary metrological properties even if the mark hasn’t been damaged;
- Installation placement of measuring instrument has been changed.