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News Detail

12.07.2017

Ilmenau University of Technology develops new microgram-precise scale

07-12-2017 - Since 1889 the international prototype of the kilogram - a small cylinder consisting of platinum and iridium - is conserved inside a safe in Paris and protected by three glass covers. Despite all these safety measures it has already lost 50 microgram of its weight which could have a major impact on dosing of medicaments and forensic examinations. Therefore in 2018 the kilogram needs to be redefined. To make th redefined kilogram measurable it requires a microgram-precise scale. The development of such an accurate scale is currently in progress at the Ilmenau University of Technology in cooperation with the PTB (Physical technical Federal Institute) in Braunschweig. The measuring process takes advantage of electrical voltage and compares electrical and mechanical units to receive accurate measuring results. The construction of the first so-called Planck-Scale prototype will be completed until the end of this year.

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