Volume 23

The consequences of the „GPS week number rollover” event in synchronization of time for the needs of economy and society, and for time and frequency metrology

723

Maciej Gruszczyński, Albin Czubla - Central Office of Measures (Główny Urząd Miar), Marcin Szołucha - Military University of Technology (Wojskowa Akademia Techniczna)
Construction of a packaging system for dispensing of certified reference materials of ethanol in aqueous solution into individual units

641

Piotr Janko - Central Office of Measures (Główny Urząd Miar)
Recognition of digital display statement of a measuring device with the use of neural network Hebba type

574

Dariusz Luśtyk - Central Office of Measures (Główny Urząd Miar)
Preliminary research for developing the new method of the calibration of microplate readers in GUM – comparative analysis of the results

533

Dobrochna Matkowska, Iwona Ostrowska, Jolanta Gębicka, Łukasz Litwiniuk - Central Office of Measures (Główny Urząd Miar)
The effects of voltage harmonics on accuracy of indications of laboratory measuring instruments

615

Przemysław Zazula - Regional Office of Measures in Poznań (Okręgowy Urząd Miar w Poznaniu)
Calibration of the instruments for measuring electrical installation parameters

603

Piotr Kwiatkowski, Renata Płaczkiewicz - Regional Office of Measures in Bydgoszcz (Okręgowy Urząd Miar w Bydgoszczy)
The development of calibration laboratories at the Regional Office of Measures in Szczecin

590

Krzysztof Skwark - Regional Office of Measures in Szczecin (Okręgowy Urząd Miar w Szczecinie)
The “ŚWITEŹ” project – implementation of the electronic public services platform in the administration of measures

708

Michał Kolczyński - Central Office of Measures (Główny Urząd Miar)
Importance and rules of certification in the field of measuring instruments

646

Aleksandra Lewicka, Jerzy Brennejzen, Andrzej Lewicki - Central Office of Measures (Główny Urząd Miar)
Conformity assessment of length measuring instruments in Notified Body 1442

651

Karolina Chrzan-Skóra - Regional Office of Measures in Bydgoszcz (Okręgowy Urząd Miar w Bydgoszczy)

About the journal

Metrology and Hallmark is devoted to the multidisciplinary study and practice of high accuracy engineering and metrology. The journal takes novel achievements in all fields of measurement and instruments science & technology.

Metrology & Hallmark Central Office of Measures

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Volume 23

The consequences of the „GPS week number rollover” event in synchronization of time for the needs of economy and society, and for time and frequency metrology

Construction of a packaging system for dispensing of certified reference materials of ethanol in aqueous solution into individual units

Recognition of digital display statement of a measuring device with the use of neural network Hebba type

Preliminary research for developing the new method of the calibration of microplate readers in GUM – comparative analysis of the results

The effects of voltage harmonics on accuracy of indications of laboratory measuring instruments

Calibration of the instruments for measuring electrical installation parameters

The development of calibration laboratories at the Regional Office of Measures in Szczecin

The “ŚWITEŹ” project – implementation of the electronic public services platform in the administration of measures

Importance and rules of certification in the field of measuring instruments

Conformity assessment of length measuring instruments in Notified Body 1442

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