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Visit of FNSM students from Banjaluka
June 13, 2019
Directorate of Measures and Precious Metals (hereinafter: DMDM) hosted third and fourht year students of Faculty of Natural Sciences and Mathematics from Banjaluka. Students were followed by Mr. Zoran Popović, assistant professor and Ms. Jelena Vuković, assistant. After they were introduced with DMDM competences in metrology system of the Republic of Serbia, students were shown DMDM promo video and video about the SI units redefiniton.
Study visit was continued with a tour through laboratories for: temperature, time and frequency, DC voltage, large volumes, length and acoustics. During visit to laboratories students had chance to get closer familiar with calibration and measurement capabilities and international projects the DMDM participates in.
 
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DMDM participation in 63rd ETRAN Conference
June 6, 2019
Directorate of Measures and Precious Metals (DMDM) participated in 63rd ENTRAN Conference held on June 3-6 on Silver Lake organized by Society for Electronics, Telecommunication, Computers, Automatic Control and Nuclear Engineering – ETRAN.
  • Kilogram revision, Mr. Dragan Pantić, metrology scientist for mass
  • Ampere revision, Ms. Jasmina Lazarević, metrology scientist for AC voltage and AC current
  • Kelvin revision, Ms. Slavica Simić, head of Group for thermometry
  • Mol revision, Ms. Jelena Bebić, head of Group for metrology in chemistry
  • The topic aroused the interest of the professional public, resulting in an interesting discussion after the presentation, followed by the words of praise from eminent experts from the world, for the entire organization of the special session as well as the selected topics.
     
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    The World Metrology Day was marked in Novi Sad
    May 24, 2019
    Directorate of Measures and Precious Metals (hereinafter: DMDM) marked the World Metrology Day in the premises of the Regional Chamber of Commerce and Industry of the Južnobački Administrative District.
    The event was enhanced by music workshop attendants „Do Re Mi“ from Novi Sad. Guests were welcomed by Ms. Olivera Simović, director of the Regional Chamber of Commerce and Industry of the Južnobački Administrative District, expressing pleaseure for such expert meeting in Novi Sad and Mr. Čedomir Belić, Acting Director of DMDM, emphasizing that this year, exactly on the 20th of May on the World Metrology Day, application of new International System of units has begun. The four basic units belonging to this system are redefined, these are: the kilogram, the mole, the kelvin and the Ampere. Citizens won’t feel change in everyday measurements, but the future science development encouraged by redefinition will bring some new innovations we can’t now imagine.
    On professional meeting following presentations were shown:
    1. Kilogram revision, Boris Laštro, metrology scientist for mass and pressure
    2. Amper revision, Jasmina Lazarević, metrology scientist for AC voltage and AC current
    3. Kelvin revision, Slavica Simić, head of Group for thermometry
    4. Mol revision, Jelena Bebić, head of Group for metrology in chemistry
     
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    Celebration of the World Metrology Day
    May 21, 2019
    Directorate of Measures and Precious Metals (hereinafter: DMDM) marked the World Metrology Day on the 20th of May. Mr. Čedomir Belić, Acting Director of DMDM welcomed the guestes and thanked the Muesum of Science and Technology for long-term cooperation and support in organizing celebration. He reminded that metrology, the measurement science is present in all areas of human activity and that achievements in the field of metrology have wide application.
    He emphasized that during General Conference on Weights and Measures held on November 16, 2018 one of the most significant revisions of the International System of Units (SI) since its foundation was adopted. The new definitions for the kilogram (kg), the ampere (A), the kelvine (K) and the mole (mole) were adopted. Main advantage of new adopted International System of Units is contribution to further improvment in science, industry and metrology. What is particulaty important, is that exactly on the 20th of May 2019 official application of new adopted International system – fundamentally better! will begin.
    Mr. Čedomir Belić used opportunity to say, that in previous period DMDM actively promoted current revision informing publicity thrugh workshops, meetings, participation in professional meetings, open door for student and pupil visits, so it could be presented at all levels to all interested parties and representatives of educational system in the Republic of Serbia.
    Saša Šepec, curator of the Museum of Science and Technology presented guests turbulent history of the national standard of kilogram with special review on its interesting travel in turbulent war time as well was its historical importance...
    Boris Laštro, measurement scientist for mass and pressure presented new kilogram redefinition based on the Planck constant and methods of its practical realization...
    Pupils of Music school „Stankovic“ from Belgrade enhanced the ceremony.
     
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    Workshop in the field of measurement of relative humidity (EMPIR-HUMEA)
    May 17, 2019
    Directorate of Measures and Precious Metals (hereinafter: DMDM) hosted workshop in the field of measurement of relative humidity within project 16RPT HUMEA – Expansion of European research capabilities in humidity measurement, the European Metrology Programme for Innovation and Research – EMPIR.
    The Workshop took place on 16th of May 2019 in library of DMDM. Workshop attended 30 representatives of end users and interested parties from pharmaceutical, metal and automotive industry, from laboratories of Serbian Armed Forces, from the field of energetics – gass industry as well as from accreditated laboratories and other laboratories in the Republic of Serbia. After introductiory address and welcome of Dr. Dušan Matijašević, assistant director for Metrology development; Slavica Simić, head of Group for thermometry and Srđan Radoš, assistant on EMPIR project HUMEA transfered knowledge and results of the project on behalf of DMDM and other representatives of Consortium partners.
    At the end of the workshop conducted survey gave guidelines for further research and development in the field of relative humidity. For more information you may visit: www.empir-humea.org
     
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    The World Metrology day was marked in Kruševac
    May 15, 2019
    On the 14th of May 2019 in full hall of the Regional Chamber of Commerce and Industry of the Rasina Administrative District the World Metrology Day was marked. Each year it is marked on the 20th of May, the day when the Meter Convention was signed in 1875.
    This year, topic of the World Metrology Day is: The International System of Units – Fundamentally better. This topic was chosen, because on the 16th of November 2018, the General Conference on Weights and Measures adopted one of the most significant revisions of the International System of units (SI) since it’s foundation. Research of new measurement methods, including those used for quantum phenomena, confirm adopted redefinition. The SI is now founded on set of definitions, each of them is related with laws of physics. It has advantage of being able to contribute to further development in metrology and technology, in order to meet the needs of many users in years ahead.
    Happening was followed by student music program of Music high school „Stevan Hristić“ from Kruševac. On behalf of of the Regional Chamber of Commerce and Industry of the Rasina Administrative District guests were welcomed by Ms Aleksandra Aleksić, who expressed pleasure with large response of the participants and Mr Čedomir Belić, Acting Director of Directorate of Measures and Precious Metals who emphasized that application of new International system of units begins this year, exactly on the 20th of May, the World Metrology Day. Four base units belonging to this system were redefined, these are: the kilogram, the mole, the kelvin and the ampere. Citizens won’t fell change in everyday measurements, but it is of significant importance for scientific public.
    On professional meeting following presentations were shown:
    1. Kilogram revision, Boris Laštro, metrology scientist for mass and pressure
    2. Amper revision, Marina Pavićević, metrology scientist for electrical resistance
    3. Kelvin revision, Slavica Simić, head of Group for thermometry
    4. Mol revision, Jelena Bebić, head of Group for metrology in chemistry
     
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    Directorate of Measures and Precious Metals participated in XXXVII Republic seminar on teaching physics – Kladovo 2019
    May 13, 2019.
    Directorate of Measures and Precious Metals actively participated in XXXVII Republic seminar on teaching physics in Kladovo. Seminar was organized by Serbian Physical Society from 10th to 12th of May 2019. Paper on „SI units revision“ published in Collected Papers of XXXVII Republic seminar on teaching physics was presented. Promotional material presenting new definitions of the SI system of units was presented and distributed. Teachers showed great interest for this topic which showed poster section presenting redefinition of kilogram, ampere, mole and kelvin. Application of redefined units starts on 20th of May 2019.
    Презентација „Нови Међународни систем јединица (SI) - редефиниција килограма, ампера, мола и келвина“
     
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    First year students of Belgrade Polytechnics visited DMDM
    April 24, 2019.
    On the ocasion of forthcoming World Metrology Day, first year students of Belgrade Polytechnics visited Directorate of Measures and Precious Metals (hereinafter DMDM). Students were acquainted with term, development and importance of metrology as well as DMDM competences. They were presented adopted redefinition of the International System of Units, the SI, which application begins from the 20th of May this year.
    The study visit was continued with a tour through laboratories for: temperature, DC voltage, time, length, acoustics and mass where they were presented realized calibration methods and research in which DMDM participates in.
     
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    Students of Faculty of Physics visited Directorate of Measures and Precious Metals
    April 11, 2019
    Fourth year students of Faculty of Physics of the University of Belgrade visited Directorate of Measures and Precious Metals (hereinafter: DMDM) on April 10, 2019. Aim of study visit was introduction with work of DMDM.
    Student were acquainted with new adopted redefinition of the International system of units the SI, metrological system of the Republic of Serbia as well as with activities and tasks of DMDM as national metrological institute of the Republic of Serbia. They were presented DMDM laboratories in which national standars are kept and realised and where the most precise calibration methods for value transfer of the SI units up the the end users are applied.
     
     
    Primary school pupils of “Saint Sava“ and “Dositej Obradović“ from Kruševac visited Control and Supervision Section in Kruševac
    April 8, 2019
    On the occasion of the World Metrology Day 2019, which is celebrated this year under the slogan: “The International System of Units – Fundamentally better” Directorate of Measures and Precious Metals, Control and Supervision Section in Kruševac (hereinafter: DMDM) visited pupils of primary schools “Sveti Sava” and “Dositej Obradović” on April 8, 2019. Pupils were followed by Vesna Živković, a biology teacher.
    In laboratory for mass and length pupils had a chance to see scales, balances, wooden meters and level rods where they were presented measurements procedures. They had a chance to talk with employees about communal measuring instruments: water meters, electricity meters, gas meters, heat meters, legal obligation and verification deadlines for these measuring instruments as well as about extraordinary review of measuring instruments in use. The greatest impression on students left knowledge how much attention and precision one must have when working with equipment.
    Employees in Control and Supervision Section made effort to give pupils answers and professional explanations on their question.
     
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    Students of High Technical-Technology School of Professional Studies in Kruševac visited Control and Supervision Section in Kruševac
    April 8, 2019.
    During study visit to Control and Supervision Section in Kruševac students were acquainted with development, significance of metrology and competences of Directiorate of Measuremens and Precious Metals.
    In laboratory for mass and length students were shown verification procedure for length measuring instruments (wooden meters and level rods) and calibration of mass measuring instruments (weights). In the field of volume students had a chance to get familiar with way of inspecion of measuring device for liquid fuels, great attention of students draw the field of pre-packed products.
    Students were especially interested in communal measuring instruments: water meters, electric meters, gas meters and heat meters. Information on verification, deadlines for periodical review and precedure of extraordinary review of measuring instruments (upon request of citizens) students got through discussion with employees at the Control and Supervision Section in Kruševac.
     
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    REVISION OF EURAMET CG19 GUIDE PUBLISHED
    April 8, 2019
    On the EURAMET website, information was published about the revision of the EURAMET CG19 guide for the determination of measurement uncertainty when the gravimetric method is used.
    In the working group responsible for the revision of the document, one of the six members was Ljiljana Mićić, head of the Group for volume and flow.
     
     
    Pupils visited Control and Supervision Section Zrenjanin
    April 4, 2019
    In the first week of April 2019, Control and Supervision Section Zrenjanin, internal organizational unit of the Directorate of Measures and Precious Metals (hereinafter DMDM) hosted visit of final year pupils of Chemical, Food-processing and Textile school “Uroš Predić“ from Zrenjanin. Visit was hosted regarding upcoming World Metrology Day which will take place on the 20th of May.
    Pupils were introduced with importance of metrology, the measurement science which is present in all fields of human activity, significance and way of ensuring metrological traceability up to international level as well as long metrology tradition in Serbia. Students were shown promo video of DMDM and presented importance and role of DMDM as national metrology institution.
    In physical-cehmical laboratory of the Control and Supervision Section Zrenjanin, pupils were demonstrated verification of general purpose aerometer.
    The most attention of prefessors and pupils drew way of conformity assessment of measuring instruments used in daily life.
     
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    Training in the field of thermometry
    April 3, 2019
    Within project: „Regional Consultansy Fund for Quality Infrastructure - South East Europe“ - Bosna and Hercegovina implemented by the National metrology institute of Germany (PTB) on March 27, 2019 Directorate of measures and precious metals (DMDM) hosted one-day training in the field of thermometry, subfield non-contact temperature measurement.
    Training was based on experience exchange in this field. The training was held by Ms. Slavica Simic, Head of Group for thermometry and Mr. Boban Zarkov, metrology scientist in Group for length, optical quantities and acoustics. The training consisted of theoretical and practical part regarding measurements principles, measurement uncertainties, and measurement methods settings in DMDM, result of DMDM international comparison within project EMPIR 14RPT05 EuraThermal as well as software solution for collection and processing of measurement results.
    Training attended measurement scientists from national metrology institute of Bosnia and Herzegovina (IMBiH) and DMDM. The attendees expressed satisfaction both for information they received as well as good and efficient training organization in DMDM.
     
     
    GPS Week Number Rollover
    March 27, 2019.
    Critical Infrastructure (CI) owners and operators and other users who obtain Coordinated Universal Time (UTC) from Global Positioning System (GPS) devices should be aware of the GPS Week Number (WN) rollover events and the possible effect a GPS WN rollover event may have on the reliability of the reported UTC. The legacy GPS navigation message has a ten (10) bit parameter that represents WN. Thus, the WN parameter in the GPS navigation message “rolls over” to zero every 1024 weeks starting from 0000Z January 6, 1980. The next WN rollover will occur April 6, 2019. The IS-GPS-200H interface specification identifies both the ten bit WN parameter and the WN rollover events. A GPS device that conforms to the latest IS-GPS-200 and provides UTC should not be adversely affected. However, tests of some GPS devices revealed that not all manufacturer implementations correctly handle the April 6, 2019 WN rollover. Additionally, some manufacturer implementations interpret the WN parameter relative to a date other than January 5, 1980. These devices should not be affected by the WN rollover on April 6, 2019 but may experience a similar rollover event at a future date. For example, a particular GPS device may interpret the WN parameter relative to a firmware creation date and would experience a similar rollover event 1024 weeks after that firmware creation date.
     
     
    Third grade pupils of Fourth Belgrade High School visited Directorate of Measures and Precious Metals
    Januar 17, 2019.
    Third grade pupils of Fourth Belgrade High School visited Directorate of Measures and Precious Metals.
    On behalf of Directorate, pupils were welcomed by Ana Gajic, Group for Information Technology. Pupils were introduced with role of Directorate in Metrology system of the Republic of Serbia and professional activities Directorate perfprms in the field of Metrology.
    Study visit was continued with a tour through laboratories for temperature, chemistry, DC voltage, time, photometry, length and acoustics where they were introduced realized calibration methods and research in which Directorate participates in.
     
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