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Tobias Bergsten

Forskare

Tel +46 10 516 51 16

Email tobias.bergsten@ri.se

Location Borås

Unit Temperatur och elektrisk primärmetrologi (105103)

ORCID 0000-0003-2330-9898

Research in electrical metrology.
Electrical power, current, voltage, impedance up to 1 MHz.
Quantum standards (Josephson, quantum Hall effect)
DC current (fA-pA)

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Expertise

Electric voltage

Electric dc voltage is an area of expertise at the National Measurement Laboratory for Electrical Quantities. We realise the unit related to electrical potential difference (voltage), volt, by utilizing the Josephson effect. We al…
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Electric current

Electric dc current is an area of ​​expertise at the National Measurement Laboratory for Electrical Quantities. We are realising the national standard for the current unit ampere (A). Ampere is defined as the charge unit coulomb p…
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The National Laboratory for Electrical Quantities

RISE is Sweden's NMI (National Metrology Institute) and is, according to the Swedish constitution, responsible for the central measurement quantities in the International System of Units, SI.
Expertise

Electrical resistance

Electrical resistance is an area of expertise at the National Measurement Laboratory for Electrical Quantities. At our laboratory the resistance unit is realised  with the highest possible accuracy. In addition we perform calibrat…