Programme Athens, Course CTU1: Metrology of Electrical Quantities

NOVEMBER SESSION 2025

Last page update: September 20, 2025

Responsible person for the course

Ing. Radek Sedláček, Ph.D.

Participating persons

Ing. Martin Šimůnek
Ing. Jakub Svatoš, Ph.D.

Lecture topics

1. Introduction. Measurement units and measurement standards. Quantum standards of voltage and resistance. Thompson-Lampard's capacitance standard. Resistors with calculable frequency performance. Transfer standards.
(click to download TOPIC 1 presentation).

2. Voltage and current inductive ratio devices and optimization of their metrological parameters.
(click to download TOPIC 2 presentation).

3. Methods for precision measurement of DC current and DC voltage. Modern potentiometers. Measurement of voltage, power, and energy in the audio-frequency range.
(click to download TOPIC 3 presentation).

4. Bridges for DC and AC measurements of resistance. Transformer and current-comparator-based capacitance bridges.
(click to download TOPIC 4 presentation).

Laboratory demonstrations

1. Thompson-Lampard's capacitance standard. [ click to download]
2. Frequency performance of the resistance standard. [click to download]
3. Calibration of capacitance box. [click to download]
4. C-C transformer bridge. [click to download]

Visit the Czech Metrology Institute (CMI) - address: Radiová 3, Prague 10 - beginning at 14:00 !!!

Calibration of digital multimeters, QHE-based calibrations of resistance standards.

Course time schedule

Day / Hours	9:00 -12:00	Break	13:00 - 17:00
Monday [November 17th]	Lecture 1 Room T2:A3-318	Time for lunch	Laboratory demonstrations - Group A* Room T2: C4-s152
Tuesday [November 18th]	Lecture 2 Room T2:A3-318	Time for lunch	Laboratory demonstrations - Group B* Room T2: C4-s152
Wednesday [November 19th]	Lecture 3 Room T2:A3-318	Time for lunch	National Technical Museum visit / 15:15
Thursday [November 20th]	Lecture 4 Room T2:H1-131	Time for lunch	Excursion to CMI / 14:00 - 16:00
Friday [November 21th]	Test Room T2: A3-318	Time for lunch	Evaluation & closing / 13:00 - 14:00 T2: A3-318 Dinner / 17:00 - 19:00 at Respirium (building J5 at the map bellow)

*Two groups of students will be formed to attend the laboratory demonstrations

Location ROOM T2: A3-318 at the faculty: block A3, 3rd floor (see the red point on the map below)

T2: main entrance of the Faculty of Electrical Engineering