You are here
Unit of primary metrology of electrical impedance and electrical quantities
Address
Vnitřní organizační jednotka
Head of Department
Mapa
Obory kalibrací
-
electricity and magnetism
-
thermometry and humidity
Kalibrované přístroje
- multifunction calibrators
- multimeters
- multifunction transfer standards
- Fixed resistor
- resistance box
- three terminal resistor
- microohmmeters
- resistance bridges
- ohmmeters
- teraohmmeters
- fixed resistor
- wattmeters
- voltmeters
- ammeters
- type R thermocouple indicators and simulators
- type S thermocouple indicators and simulators
- type B thermocouple indicators and simulators
- type J thermocouple indicators and simulators
- type T thermocouple indicators and simulators
- type E thermocouple indicators and simulators
- type K thermocouple indicators and simulators
- type N thermocouple indicators and simulators
- type M thermocouple indicators and simulators
- type Fe-ko thermocouple indicators and simulators
- type L thermocouple indicators and simulators
- type A thermocouple indicators and simulators
- resistance thermometers (Pt 100) indicators and simulators
- resistance thermometers (Pt 200) indicators and simulators
- resistance thermometers (Pt 500) indicators and simulators
- resistance thermometers (Pt 1000) indicators and simulators
- resistance thermometers (Ni 100) indicators and simulators
- resistance thermometers (Ni 1000) indicators and simulators
- resistance box
- related standards
- digital electrical safety testers
- clamp meters
- oscilloscopes
- LCR meters
- electrical safety testers
- picoammeters
- shunts
- temperature calibrators
Další služby
- Calibration of primary resistance and temperature bridges (critical points, linearity, reference standards, current sources, offsets, ...) under CIPM MRA
- Calibration of atypical measurement devices of electrical resistance and non-decadic resistance values
- Consultancy
- Technical theory and practical training for metrologists and developers
- Long-term monitoring of resistance sources and meters for evaluation of time, temperature and pressure dependency
Laboratories
Shielded measurement rooms |
Standards of electrical resistance in low-ohmic lab |
Quantum lab with cryogenic current comaprator |
Cryostat with surpaconductive magnet for realization of quantum Hall effect - a base for czech national standard of resistance |
Research and development
Research of quantum based impedance standard |
Design and simulation of imepdance standards |
Precise generators with high stability and resolution for audio frequency range (SWG) |
Precize temperature controlled air baths with stability in mK range. Option with sealing for protective atmoshpere (e.g. argon gas) |
Development of measurement applications |
Development of measurmeent software for sofisticated applications. |
International projects
AIM QuTE - Automated impedance metrology extending the quantum toolbox for electricity:
Graphohm - Quantum resistance metrology based on graphene:
VersICaL - Versatile electrical impedance calibration laboratory based on digital impedance bridges:
GIQS - Graphene impedance quantum standard:
Šíře záběru výzkumných činností je umožněna díky široké spolupráci s univerzitami a zahraničními instituty.