Doktorikooli “Funktsionaalsed materjalid ja tehnoloogiad” (FMTDK) ja TÜ Füüsika Instituudi 345. ühisseminar | Tartu Ülikooli Füüsika Instituut

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    Posti 1, 71004 Viljandi
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Lossi 36, 51003 Tartu
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  • haridusteaduste instituut
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  • Johan Skytte poliitikauuringute instituut
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meditsiiniteaduste valdkond
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  • bio- ja siirdemeditsiini instituut
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    Faculty address: 
    Ravila 19, 50411 Tartu
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loodus- ja täppisteaduste valdkond
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737 5820
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Vanemuise 46–208, 51014 Tartu
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    J. Liivi 2, 50409 Tartu
  • Eesti mereinstituut
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    Faculty address: 
    Mäealuse 14, 12618 Tallinn
  • füüsika instituut
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    W. Ostwaldi 1, 50411 Tartu
  • keemia instituut
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    737 5261
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  • matemaatika ja statistika instituut
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    737 5860
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    J. Liivi 2, 50409 Tartu
  • molekulaar- ja rakubioloogia instituut
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    737 5011
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    Riia 23, 23b–134, 51010 Tartu
  • Tartu observatoorium
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    Observatooriumi 1, Tõravere, 61602 Tartumaa
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Asutused
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    Faculty address: 
    Uppsala 10, 51003 Tartu
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    737 4000
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    737 5674
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    Lossi 25, 51003 Tartu
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    Faculty phone: 
    737 6076
    Faculty address: 
    Vanemuise 46, 51003 Tartu
Tugiüksused
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    Faculty phone: 
    737 6339
    Faculty address: 
    Lossi 3, III korrus, 51003 Tartu
  • grandikeskus
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    737 6215
    Faculty address: 
    Lossi 3, III korrus, 51003 Tartu
  • hankeosakond
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    737 6632
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
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    737 5137
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    Ülikooli 18a, 51005 Tartu
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    W. Struve 1, 50091 Tartu
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    737 5145
    Faculty address: 
    Ülikooli 18, ruumid 302 ja 304, 50090 Tartu
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    Ülikooli 18, ruumid 102, 104, 209, 210, 50090 Tartu
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    Faculty address: 
    Ülikooli 18a–106, Tartu

TÜ üksuste kontaktandmed

humanitaarteaduste ja kunstide valdkond
Faculty phone: 
737 5341
Faculty address: 
Jakobi 2, ruumid 116–121, 51014 Tartu
  • valdkonna dekanaat
    Faculty phone: 
    737 5341
    Faculty address: 
    Jakobi 2, ruumid 116–121, 51005 Tartu
  • ajaloo ja arheoloogia instituut
    Faculty phone: 
    737 5651
    Faculty address: 
    Jakobi 2, 51005 Tartu
  • eesti ja üldkeeleteaduse instituut
    Faculty phone: 
    737 5221
    Faculty address: 
    Jakobi 2, IV korrus, 51005 Tartu
  • filosoofia ja semiootika instituut
    Faculty phone: 
    737 5314
    Faculty address: 
    Jakobi 2, ruumid 309–352, 51005 Tartu
  • kultuuriteaduste instituut
    Faculty phone: 
    737 5223
    Faculty address: 
    Ülikooli 16, 51003 Tartu
  • maailma keelte ja kultuuride kolledž
    Faculty address: 
    Lossi 3, 51003 Tartu
  • usuteaduskond
    Faculty phone: 
    737 5300
    Faculty address: 
    Ülikooli 18-310, 50090 Tartu
  • Viljandi kultuuriakadeemia
    Faculty phone: 
    435 5232
    Faculty address: 
    Posti 1, 71004 Viljandi
sotsiaalteaduste valdkond
Faculty phone: 
737 5957
Faculty address: 
Lossi 36, 51003 Tartu
  • valdkonna dekanaat
    Faculty phone: 
    737 5900
    Faculty address: 
    Lossi 36, 51003 Tartu
  • haridusteaduste instituut
    Faculty phone: 
    737 6440
    Faculty address: 
    Salme 1a–29, 50103 Tartu
  • Johan Skytte poliitikauuringute instituut
    Faculty phone: 
    737 5582
    Faculty address: 
    Lossi 36–301, 51003 Tartu
  • majandusteaduskond
    Faculty phone: 
    737 6310
    Faculty address: 
    J. Liivi 4, 50409 Tartu
  • psühholoogia instituut
    Faculty phone: 
    737 5902
    Faculty address: 
    Näituse 2, 50409 Tartu
  • õigusteaduskond
    Faculty phone: 
    737 5390
    Faculty address: 
    Näituse 20–324, 50409 Tartu
  • ühiskonnateaduste instituut
    Faculty phone: 
    737 5188
    Faculty address: 
    Lossi 36, 51003 Tartu
  • Narva kolledž
    Faculty phone: 
    740 1900
    Faculty address: 
    Raekoja plats 2, 20307 Narva
  • Pärnu kolledž
    Faculty phone: 
    445 0520
    Faculty address: 
    Ringi 35, 80012 Pärnu
meditsiiniteaduste valdkond
Faculty phone: 
737 5326
Faculty address: 
Ravila 19, 50411 Tartu
  • valdkonna dekanaat
    Faculty phone: 
    737 5326
    Faculty address: 
    Ravila 19, 50411 Tartu
  • bio- ja siirdemeditsiini instituut
    Faculty phone: 
    737 4210
    Faculty address: 
    Biomeedikum, Ravila 19, 50411 Tartu
  • farmaatsia instituut
    Faculty phone: 
    737 5286
    Faculty address: 
    Nooruse 1, 50411 Tartu
  • hambaarstiteaduse instituut
    Faculty phone: 
    731 9856
    Faculty address: 
    Raekoja plats 6, 51003 Tartu
  • kliinilise meditsiini instituut
    Faculty phone: 
    737 5323
    Faculty address: 
    L. Puusepa 8, 50406 Tartu
  • peremeditsiini ja rahvatervishoiu instituut
    Faculty phone: 
    737 4190
    Faculty address: 
    Ravila 19, 50411 Tartu
  • sporditeaduste ja füsioteraapia instituut
    Faculty phone: 
    737 5360
    Faculty address: 
    Jakobi 5–205, 51005 Tartu
loodus- ja täppisteaduste valdkond
Faculty phone: 
737 5820
Faculty address: 
Vanemuise 46–208, 51014 Tartu
  • valdkonna dekanaat
    Faculty phone: 
    737 5820
    Faculty address: 
    Vanemuise 46–208, 51005 Tartu
  • arvutiteaduse instituut
    Faculty phone: 
    737 5445
    Faculty address: 
    J. Liivi 2, 50409 Tartu
  • Eesti mereinstituut
    Faculty phone: 
    671 8902
    Faculty address: 
    Mäealuse 14, 12618 Tallinn
  • füüsika instituut
    Faculty address: 
    W. Ostwaldi 1, 50411 Tartu
  • keemia instituut
    Faculty phone: 
    737 5261
    Faculty address: 
    Ravila 14a, 50411 Tartu
  • matemaatika ja statistika instituut
    Faculty phone: 
    737 5860
    Faculty address: 
    J. Liivi 2, 50409 Tartu
  • molekulaar- ja rakubioloogia instituut
    Faculty phone: 
    737 5011
    Faculty address: 
    Riia 23, 23b–134, 51010 Tartu
  • Tartu observatoorium
    Faculty phone: 
    737 4510
    Faculty address: 
    Observatooriumi 1, Tõravere, 61602 Tartumaa
  • tehnoloogiainstituut
    Faculty phone: 
    737 4800
    Faculty address: 
    Nooruse 1, 50411 Tartu
  • ökoloogia ja maateaduste instituut
    Faculty phone: 
    737 5835
    Faculty address: 
    Vanemuise 46, 51003 Tartu
Asutused
  • raamatukogu
    Faculty phone: 
    737 5702
    Faculty address: 
    W. Struve 1, 50091 Tartu
  • teaduskool
    Faculty phone: 
    737 5581
    Faculty address: 
    Uppsala 10, 51003 Tartu
  • genoomika instituut
    Faculty phone: 
    737 4000
    Faculty address: 
    Riia 23b, 51010 Tartu
  • muuseum
    Faculty phone: 
    737 5674
    Faculty address: 
    Lossi 25, 51003 Tartu
  • loodusmuuseum ja botaanikaaed
    Faculty phone: 
    737 6076
    Faculty address: 
    Vanemuise 46, 51003 Tartu
Tugiüksused
  • ettevõtlus- ja innovatsioonikeskus
    Faculty phone: 
    737 6339
    Faculty address: 
    Lossi 3, III korrus, 51003 Tartu
  • grandikeskus
    Faculty phone: 
    737 6215
    Faculty address: 
    Lossi 3, III korrus, 51003 Tartu
  • hankeosakond
    Faculty phone: 
    737 6632
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • infotehnoloogia osakond
    Faculty phone: 
    737 6000, arvutiabi: 737 5500
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • kantselei
    Faculty phone: 
    737 5606
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • kinnisvaraosakond
    Faculty phone: 
    737 5137
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • kirjastus
    Faculty phone: 
    +372 737 5945
    Faculty address: 
    W. Struve 1, 50091 Tartu
  • personaliosakond
    Faculty phone: 
    737 5145
    Faculty address: 
    Ülikooli 18, ruumid 302 ja 304, 50090 Tartu
  • rahandusosakond
    Faculty phone: 
    737 5125
    Faculty address: 
    Jakobi 4, 51005 Tartu
  • rektoraadi büroo
    Faculty phone: 
    737 5600
    Faculty address: 
    Ülikooli 18, 51014 Tartu
  • siseauditi büroo
    Faculty address: 
    Ülikooli 17–103, 51005 Tartu
  • Tallinna esindus
    Faculty phone: 
    737 6600
    Faculty address: 
    Teatri väljak 3, 10143 Tallinn
  • turundus- ja kommunikatsiooniosakond
    Faculty phone: 
    737 5687
    Faculty address: 
    Ülikooli 18, ruumid 102, 104, 209, 210, 50090 Tartu
  • õppeosakond
    Faculty phone: 
    737 5620
    Faculty address: 
    Ülikooli 18, 50090 Tartu
  • üliõpilasesindus
    Faculty phone: 
    737 5400
    Faculty address: 
    Ülikooli 18b, 51005 Tartu
Muud üksused
  • MTÜ Tartu Ülikooli Akadeemiline Spordiklubi
    Faculty phone: 
    737 5371
    Faculty address: 
    Ujula 4, 51008 Tartu
  • MTÜ Tartu Üliõpilasküla
    Faculty phone: 
    740 9959
    Faculty address: 
    Narva mnt 25, 51013 Tartu
  • MTÜ Tartu Üliõpilasmaja
    Faculty phone: 
    730 2400
    Faculty address: 
    Kalevi 24, Tartu
  • SA Tartu Ülikooli Kliinikum
    Faculty phone: 
    731 8111
    Faculty address: 
    L. Puusepa 1a, 50406 Tartu
  • Tartu Ülikooli Sihtasutus
    Faculty phone: 
    737 5852
    Faculty address: 
    Ülikooli 18a–106, Tartu

Doktorikooli “Funktsionaalsed materjalid ja tehnoloogiad” (FMTDK) ja TÜ Füüsika Instituudi 345. ühisseminar

Kuupäev: 
07.11.2013 - 17:15

7. novembril 2013 kell 16.15    TÜ FI saalis, Riia 142, ruum 108

 

Viktor Vabson

Teadur-etalonihoidja, Massi riigietaloni laboratoorium, AS Metrosert, Riia 181c, EE-51014 Tartu, www.metrosert.ee

 

Measurement uncertainty in Estonian Standard Laboratory for Mass  (material of PhD Thesis )

Mõõtemääramatuse hindamine Eesti massi riigietaloni laboratooriumis (doktoritöö materjalid)

A high-level well-working national measurement infrastructure is essential for competitiveness of country, for the advancement of science and technology, and for quality of life. Since 2001 in Estonia the national standards for mass, length, temperature and electric quantities are established at the internationally secondary level. National measurement standard usually represents the top level competence of the country in respective scientific-technical field. However, in order to use its capabilities effectively confidence in the measurement uncertainty and inter-national equivalence of offered services is needed.  Technical level and international equivalence of the standard are validated by international experts on the basis of inter-comparisons and peer evaluations, whereby measurement uncertainty is a key element for meaningful determination of the degree of equivalence between the standards and measurement results.

Estonian standard laboratory for mass (NSLM) is realizing and representing the mass scale from l mg to 50 kg, being able to calibrate the mass and conventional mass value of the weights with the highest OIML E1 accuracy class. NSLM can test the conformity of magnetic properties of the weights to the requirements of the respective accuracy class. NSLM can calibrate the density of the weights in the range from 1 g to 2 kg. Mass laboratory is equipped with three automatic mass comparators, with more than 100 weights, and with many auxiliary instruments; laboratory is accommodated in air-conditioned measurement rooms with temperature and humidity control, and with filtered air. At the NSLM preferably four measurement models are used; these models are carefully validated for the whole relevant measurement range. For evaluation of the uncertainty in measurement for major part of instruments extensive calibration histories are available. Additionally, some special studies are conducted, in order to get better data base for uncertainty estimation as provided by routine measurements.

Uncertainty of the weights representing the mass scale at the NSLM is estimated following the GUM standard procedures. In general, uncertainty evaluated according to GUM performs satisfactorily for majority of applications. Nevertheless, there are some situations in practice allowing improvement if sufficient measurement information is available. Not easy to handle is the effect of nonzero serial correlation. Another similarly complicated problem is revealing possible systematic effects in comparator readings in order to eliminate them or at least to take them into account in measurement result and uncertainty estimate. If not treated the uncertainty may be substantially underestimated. Methods proposed in this study will at least partly solve both problems and reduce risk of underestimation, and they are applicable in many other measurement fields. The agreement between the inter-comparison results presented by the NSLM and comparison reference values demonstrated to date shows that measurement methods, calibration procedures and respective uncertainty estimates developed and tested at the NSLM can reliably be applied in practice.

Kontakti nimi: 
Ilmo Sildos
Kontakti amet: 
laborijuhataja
Kontakti e-post: 
ilmo.sildos@ut.ee
Kontakti telefon: 
7
Toimumiskoht: 
TÜ Füüsika Instituudi (Riia 142) 1. korruse saal (ruum 108)
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