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Laboratory for Length

ACTIVITIES

Activities performed at the Laboratory for Length are related to:
• Realization, conservation, maintenance and improvement of the national standard for length in Montenegro;
• Ensuring metrological traceability in the field of length in Montenegro through the transfer of the length unit from the national standard to the secondary and working length standards;
• Development of the measuring methods for transferring the length unit;
• Calibration of the gauge blocks, vernier calipers, micrometers, dial gauges, measuring rulers and measuring tapes ;
• Participation in inter-laboratory comparisons;
• Laying down the prescribed technical and metrological requirements for determining the measuring instrument type for length measuring instruments;


NATIONAL STANDARD

National standards in the field of length measuring in Montenegro are represented by gauge blocks class K, manufactured by MAHR and made of steel:
• Set of plane-parallel gauge blocks of measuring range from 0,5 to 100 mm;
• Long gauge blocks MAHR, class K, measuring range from 100 mm to 500 mm.


CALIBRATION OF LENGTH STANDARDS AND MEASURING INSTRUMENTS

Accredited area
• Plane-parallel gauge blocks in the range from 0,5 mm to 100 mm;
• Vernier calipers (digital scale) in the range from 0 mm to 300 mm;
• Vernier calipers (analog scale) in the range from 0 mm to 300 mm;
• Outside micrometers (classic scale) in the range from 0 mm to 150 mm;
• Micrometers (digital scale) in the range from 0 mm to 150 mm;
• Dial gauge in the range from 0 mm to 100 mm;
• Measuring rulers in the range from 0 m to 3 m;
• Tape gauges in the range from 0 m to 200 m.

Unaccredited area
• Long plane-parallel gauge blocks in the range from 200 mm to 500 mm;
• Plug gauges up to Ø 80 mm;
• Standard ring gauges up to Ø 80 mm;
• Vernier calipers up to 1000 mm;
• Micrometers up to 600 mm;
• Bar micrometers up to 100 mm;
• 3 point micrometers up to 100 mm.


THE SCOPE OF ACCREDITATION OF THE LABORATORY FOR PRESSURE

ATCG HAA 1


VERIFICATION OF THE MEASURING INSTRUMENTS

Laboratory for Length carries out an examination of length measuring instruments in order to determine compliance with the prescribed metrological requirements with the aim of verification of length measuring instruments:
• Length measuring instruments used for general purpose;
• Height measuring instruments.


TYPE APPROVAL OF MEASURING INSTRUMENTS

In order to ascertain compliance with the prescribed technical and metrology demands, to determine type of measuring instrument, Laboratory for Length carries out a procedure for issuing a Decision on the type approval of the measuring instruments in the field of length in accordance with Decree on legal measuring instruments that are mandatory subjected to verification and/or the type approval of the measuring instrument (Official Gazette of Republic of Montenegro, No. 81/09):
• Length measuring instruments used for general purpose;
• Automatic level gauges for measuring the level of liquid in stationary storage tanks;
• Taximeters.


TRACEABILITY SCHEME

Laboratory for Length performs external calibrations of its reference standards, devices and equipment necessary for achieving traceability, at the laboratories of the national metrological institutes (Euramet Designated Institutes) that have published CMC in the BIPM database of the key comparisons or are accredited or are accredited by accreditation body signatories to the EA MLA Agreement. Establishing metrological traceability in the field of length is done with measuring instruments.
• gauge block comparator (0, 5 mm − 100 mm);
• Helium-Neon laser interferometer with wavelength of 633 nm;
• One-dimensional measuring device (0 mm − 600 mm);
• One-dimensional measuring device for calibration of measuring tapes and rulers (0 mm − 3000 mm).

2 duzina


CONTACT

Head of laboratory:

Gordana Bajić MSc
tel: +382 20 601 360
      +382 20 601 361
fax: +382 20 634 651
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Deputy Head of laboratory:

Mira Karanfilović MSc
tel: +382 20 601 360
      +382 20 601 361
fax: +382 20 634 651
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


Metrologist:

Tomo Božović BC. Eng.
tel: +382 20 601 360
      +382 20 601 361
fax: +382 20 634 651
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


Address
: Zavod za metrologiju

              Sektor za metrološku sljedivost i državne etalone
              Laboratorija za dužinu
              Kralja Nikole 2
              81000 Podgorica
              Crna Gora