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357 results:
91. PIM measurements on a multiband antenna in the project “5G-Reallabor”  
Date: 08.12.2020
Percental score: 5 %
Dynamic PIM measurement being carried out on a multiband antenna Passive intermodulation (PIM) leads to interference signals in cellular networks and can therefore degrade network quality. In the project “5G-Reallabor”, PTB is working on traceability for PIM  
92. Using UV-C radiation to combat the coronavirus  
Date: 01.12.2020
Percental score: 10 %
Dr. Peter Sperfeld performs measurements of UV-C radiation The Physikalisch-Technische Bundesanstalt (PTB) measured the internal irradiance of a prototype of an indoor UV-C air purification unit to gauge its effectiveness in neutralizing germs and viruses. A  
93. Tilted-Wave Interferometer (TWI) as Example for Hand-in-Hand Calibration of Real and Virtual Experiments  
Date: 06.11.2020
Percental score: 5 %
The optical industry uses aspheres and free-form surfaces in modern optical systems, which, however, place very high demands on metrology. Optical measurement techniques have a prominent role to play  
94. Digitalisierung RU METROLOGIJA DLJA DIGITALIZACII EHKONOMIKI I OBSHCHESTVA  
Date: 30.09.2020
Percental score: 1 %
Digitalisierung RU METROLOGIJA DLJA DIGITALIZACII EHKONOMIKI I OBSHCHESTVA МЕТРОЛОГИЯ ДЛЯ ДИГИТАЛИЗАЦИИ ЭКОНОМИКИ И ОБЩЕСТВА Содержание МЕТРОЛОГИЯ ДЛЯ ДИГИТАЛИЗАЦИИ ЭКОНОМИКИ И  
95. Digitalisierung ES Metrologia para la digitalizacion de la economia y la sociedad  
Date: 30.09.2020
Percental score: 1 %
Digitalisierung ES Metrologia para la digitalizacion de la economia y la sociedad MetrologÍa para la digitalización de la economía y la sociedad Contenido MetrologÍa para la digitalización de la  
96. Criteria and Procedures QS Approval June2020  
Date: 14.09.2020
Percental score: 1 %
Criteria and Procedures QS Approval June2020 Conformity Assessment Body Criteria and procedures for the approval of the quality systems of measuring instruments manufacturers according to • the  
97. New high-pressure natural gas test-rig needs a new primary standard  
Date: 26.08.2020
Percental score: 5 %
PTB has developed a new primary standard for the calibration of gas meters using high-pressure natural gas. In future, the so-called high-pressure comparator will form the top of the traceability  
98. 4.21 Form and Wavefront Metrology  
Date: 03.06.2020
Percental score: 7 %
Selected publications The working group offers the following calibrations: Sphericity and radius measurement of sperical sections Refractive index measurement Transmission measurement on  
99. Criteria and Procedures QS Approval May2020  
Date: 12.05.2020
Percental score: 1 %
Criteria and Procedures QS Approval May2020 Conformity Assessment Body Criteria and procedures for the approval of the quality systems of measuring instruments manufacturers according to • the  
100. Zulassungsliste  
Date: 03.04.2020
Percental score: 1 %
Zulassungsliste Zulassungsnr. § - BeschG Zulassungsinhaber Bezeichnung Kaliber Typ 1-69 7 Karl-Heinz Kerner Apparatebau Mod. 287 9 x 17 Viehschussgerät 1-69 7 Jopp GmbH Mod. 287 9 x  
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