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Mechanics and Acoustics

Division 1

Weight, force, velocity, loudness -€“ the mechanical and acoustic quantities are cared for by Division 1. Apart from basic research, testing within the scope of legal metrology is a main task.

Tasks

The Division carries out basic research in the field of mechanical and acoustical measurands. On the basis of the Units and Time Act, standards and standard measuring devices are developed with the aid of which the measurement scales for all relevant mechanical and acoustical measurands such as mass, force, torque, acceleration, flowrate of gases and liquids, sound and ultrasound pressure can be realized with maximum accuracy and disseminated, predominantly to DAkkS laboratories. The tasks of the Division also comprise type examinations and certifications of measuring instruments on the basis of national regulations - such as the Verification Act and the Verification Ordinance - of European Measuring Instruments Directives as well as international recommendations of the OIML. In addition, employees of the Division provide advice in all matters of relevant metrology, assess DAkkS and other calibration and test laboratories and cooperate in the respective national and international committees.

1 Abteilungsbericht aus dem Jahresbericht 2021

Der Initiates file downloadAbteilungsbericht gibt einen Überblick über die wichtigsten Nachrichten und Ereignisse der Abteilung „Mechanik und Akustik“ des letzten Jahres und ergänzt somit den Opens internal link in current windowJahresbericht-2021 der PTB.

 

 

News

Within the scope of the energy transition, large-scale nuclear and fossil-operated power stations, which used to be located at a large distance to existing residential areas, are increasingly being replaced by energy converters. These are smaller, are operated in a decentralized way and are located close to residential areas. Operating such facilities often causes noise emission in the infrasonic...

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At the end of August 2022, the online workshop "Round & Established 2022" of the participants of the "Si-Trust" took place. The workshop included 14 groups and 14 time zones and therefore met for 4 hours each on two days. The contributions from 11 of the participating institutes described the experience in handling Si-spheres provided to them by PTB after the "Round & Ready" workshop (2016). Due...

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In standardization, requirements for products, services and processes, but also socially important reference values such as upper limits and guideline values are developed and defined. Since acoustic issues are always very close to practical requirements, standardization plays an essential role, and the “Sound” department is highly involved in many standardization committees. An international...

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